The climate of Heroica Matamoros is sub-tropical, with a pleasantly warm winter and a very hot, muggy summer.
The city is located in northeastern Mexico, in the state of Tamaulipas, near the border with Texas. Across the Rio Grande River is the American city of Brownsville. The coast, where Playa Bagdad is located, is 30 km (18 mi) away.
Even though the winter is mild, occasionally there may be short cold waves lasting 2 or 3 days, in which the minimum temperature drops around freezing, and the maximum remains around 5/7 °C (41/45 °F) or even below. Sometimes it can even snow. In February 2021, the temperature dropped to -5 °C (23 °F).
However, in other circ*mstances, it can get hot even in the dead of winter.
In summer, in contrast, intense heat prevails.
From June to November (but with a higher probability from August to October), there is the risk of hurricanes. The city was hard hit by Hurricane Dolly in late July 2008.
The average temperature of the coldest month (January) is of 17.2 °C (62.9 °F), that of the warmest month (August) is of 30.2 °C (86.4 °F). Here are the average temperatures.
| Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|---|---|---|---|---|---|
| January | 12.4 | 21.9 | 17.2 | 54 | 71 | 62.9 |
| February | 14.6 | 24 | 19.3 | 58 | 75 | 66.7 |
| March | 17.4 | 26.4 | 21.9 | 63 | 80 | 71.4 |
| April | 20.6 | 29.1 | 24.8 | 69 | 84 | 76.7 |
| May | 23.6 | 31.6 | 27.6 | 74 | 89 | 81.7 |
| June | 25.4 | 33.7 | 29.5 | 78 | 93 | 85.2 |
| July | 25.7 | 34.2 | 30 | 78 | 94 | 85.9 |
| August | 25.7 | 34.8 | 30.2 | 78 | 95 | 86.4 |
| September | 24 | 32.7 | 28.4 | 75 | 91 | 83 |
| October | 20.9 | 30.1 | 25.5 | 70 | 86 | 78 |
| November | 17 | 26.2 | 21.6 | 63 | 79 | 70.9 |
| December | 13.5 | 22.8 | 18.2 | 56 | 73 | 64.7 |
| Year | 20.1 | 29 | 24.5 | 68.2 | 84.2 | 76 |
Precipitation amounts to 695 millimeters (27.4 inches) per year: so, it is at an intermediate level. It ranges from 25 mm (1 in) in the driest month (February) to 150 mm (5.9 in) in the wettest (September). Here is the average precipitation.
| Month | Millimeters | Inches | Days |
|---|---|---|---|
| January | 30 | 1.2 | 7 |
| February | 25 | 1 | 6 |
| March | 30 | 1.2 | 4 |
| April | 40 | 1.6 | 4 |
| May | 65 | 2.6 | 5 |
| June | 65 | 2.6 | 6 |
| July | 50 | 2 | 5 |
| August | 60 | 2.4 | 7 |
| September | 150 | 5.9 | 10 |
| October | 95 | 3.7 | 8 |
| November | 45 | 1.8 | 6 |
| December | 30 | 1.2 | 7 |
| Year | 695 | 27.4 | 74 |
On average, there are around 2,715 sunshine hours per year. Here are the average sunshine hours per day.
| Month | Average | Total | January | 4 | 130 | February | 5.5 | 155 | March | 6.5 | 210 | April | 8 | 235 | May | 8.5 | 265 | June | 10 | 305 | July | 11 | 335 | August | 10 | 305 | September | 8.5 | 250 | October | 7.5 | 230 | November | 5.5 | 165 | December | 4 | 130 | Year | 7.4 | 2715 |
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The sea temperature ranges between 20,5 °C (69 °F) and 29 °C (84 °F). From January to March, the sea is a bit cool, but after all acceptable for swimming, while from June to October it is pleasantly warm. Here are the average sea temperatures.
| Month | Celsius (°C) | Fahrenheit (°F) | January | 21.5 | 71 | February | 20.5 | 69 | March | 21 | 70 | April | 23 | 73 | May | 25.5 | 78 | June | 28 | 82 | July | 28.5 | 83 | August | 29 | 84 | September | 29 | 84 | October | 27.5 | 82 | November | 25 | 77 | December | 23 | 73 | Year | 25.2 | 77.3 |
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Best Time
To visit Matamoros, you can choose the period from December to February: it is true that it can get cold every now and then, but in this way you can avoid the hot days that can occur in the rest of the year.
To go to the beach, the best months are April and October (although in October there is the risk of hurricanes).
Matamoros - Weather by month
Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)
January, the coldest month of the year, is generally a very mild month. The average temperature is of 17.2 °C (63 °F), with a minimum of 12.4 °C (54.4 °F) and a maximum of 21.9 °C (71.4 °F). 
On the coldest nights of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to -2 °C (28.4 °F) in January 2002.
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83 °F). However, it reached 34 °C (93.2 °F) in January 2017.
Precipitation amounts to 30 mm (1.2 in), distributed over 7 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 21.5 °C (70.5 °F). Therefore, the sea is cool for swimming.
February is generally a warm month. The average temperature is of 19.3 °C (67 °F), with a minimum of 14.6 °C (58.3 °F) and a maximum of 24 °C (75.1 °F). On the coldest nights of the month, the temperature usually drops to around 4.5 °C (40.5 °F). However, it dropped to -3 °C (26.6 °F) in February 2011.On the warmest days of the month, the temperature usually reaches around 30.5 °C (86.5 °F). However, it reached 34 °C (93.2 °F) in February 1997.Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 11 hours and 20 minutes.There are on average 5.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 mph).The average sea temperature is of 20.5 °C (69.5 °F). Therefore, the sea is cool for swimming.
March is generally a warm month. The average temperature is of 21.9 °C (71 °F), with a minimum of 17.4 °C (63.3 °F) and a maximum of 26.4 °C (79.5 °F). On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7 °C (45 °F). However, it dropped to 3 °C (37.4 °F) in March 2014.On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32.5 °C (91 °F). However, it reached 38 °C (100.4 °F) in March 2008.Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 12 hours and 0 minutes.There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).The average sea temperature is of 21 °C (70 °F). Therefore, the sea is cool for swimming.
April is generally a warm to hot, muggy month. The average temperature is of 24.8 °C (77 °F), with a minimum of 20.6 °C (69 °F) and a maximum of 29.1 °C (84.5 °F). On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 6 °C (42.8 °F) in April 2007.On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 39 °C (102.2 °F) in April 2017.Precipitation amounts to 40 mm (1.6 in), distributed over 4 days.
The day lasts on average 12 hours and 50 minutes.There are on average 8 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 19 kph (12 mph).The average sea temperature is of 23 °C (73 °F). Therefore, the sea can be considered barely acceptable for swimming.
May is generally a very hot, muggy month. The average temperature is of 27.6 °C (82 °F), with a minimum of 23.6 °C (74.5 °F) and a maximum of 31.6 °C (88.8 °F). On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 17.5 °C (63 °F). However, it dropped to 11 °C (51.8 °F) in May 2004.On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (94.5 °F). However, it reached 38 °C (100.4 °F) in May 1999.Precipitation amounts to 65 mm (2.6 in), distributed over 5 days.
The day lasts on average 13 hours and 25 minutes.There are on average 8.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 20 kph (12 mph).The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.
June is generally a very hot month. The average temperature is of 29.5 °C (85 °F), with a minimum of 25.4 °C (77.7 °F) and a maximum of 33.7 °C (92.6 °F). On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F). However, it dropped to 19 °C (66.2 °F) in June 1995.On the warmest days, the temperature usually reaches around 36 °C (97 °F). However, it reached 39 °C (102.2 °F) in June 2012.Precipitation amounts to 65 mm (2.6 in), distributed over 6 days.
The day lasts on average 13 hours and 40 minutes. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.There are on average 10 hours of sunshine per day. So, the sun shines 75% of the time.
The average humidity is 70%.
The average wind speed is 18 kph (11 mph).The average sea temperature is of 28 °C (82 °F). Therefore, the sea is pleasantly warm and allows long swims.
July is generally a very hot month. The average temperature is of 30.0 °C (86 °F), with a minimum of 25.7 °C (78.2 °F) and a maximum of 34.2 °C (93.6 °F). On the coldest nights of the month, the temperature usually drops to around 23 °C (73.5 °F). However, it dropped to 22 °C (71.6 °F) in July 2001.On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 39 °C (102.2 °F) in July 1996.Precipitation amounts to 50 mm (2 in), distributed over 5 days.
The day lasts on average 13 hours and 35 minutes.There are on average 11 hours of sunshine per day. So, the sun shines 80% of the time.
The average humidity is 68%.
The average wind speed is 19 kph (12 mph).The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
August, the hottest month of the year, is generally a very hot month. The average temperature is of 30.2 °C (86 °F), with a minimum of 25.7 °C (78.2 °F) and a maximum of 34.8 °C (94.7 °F). On the coldest nights of the month, the temperature usually drops to around 23 °C (73.5 °F). However, it dropped to 21 °C (69.8 °F) in August 2015.On the warmest days of the month, the temperature usually reaches around 37 °C (98.5 °F). However, it reached 39 °C (102.2 °F) in August 2005.Precipitation amounts to 60 mm (2.4 in), distributed over 7 days.
The day lasts on average 13 hours and 0 minutes.There are on average 10 hours of sunshine per day. So, the sun shines 76% of the time.
The average humidity is 67%.
The average wind speed is 16 kph (10 mph).The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot, muggy month. The average temperature is of 28.4 °C (83 °F), with a minimum of 24 °C (75.2 °F) and a maximum of 32.7 °C (90.9 °F). On the coldest nights, the temperature usually drops to around 19 °C (66 °F). However, it dropped to 13 °C (55.4 °F) in September 2020.On the warmest days, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 41 °C (105.8 °F) in September 2000.Precipitation amounts to 150 mm (5.9 in), distributed over 10 days.
The day lasts on average 12 hours and 20 minutes.There are on average 8.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 14 kph (9 mph).The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.
October is generally a warm to hot, muggy month. The average temperature is of 25.5 °C (78 °F), with a minimum of 20.9 °C (69.7 °F) and a maximum of 30.1 °C (86.2 °F). On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 7 °C (44.6 °F) in October 2000.On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 39 °C (102.2 °F) in October 2020.Precipitation amounts to 95 mm (3.7 in), distributed over 8 days.
The day lasts on average 11 hours and 30 minutes.There are on average 7.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 15 kph (9 mph).The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
November is generally a warm month. The average temperature is of 21.6 °C (71 °F), with a minimum of 17 °C (62.5 °F) and a maximum of 26.2 °C (79.2 °F). On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 7 °C (44 °F). However, it dropped to 2 °C (35.6 °F) in November 2011.On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 35 °C (95 °F) in November 1997.Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 10 hours and 55 minutes.There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 15 kph (10 mph).The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.
December is generally a warm month. The average temperature is of 18.2 °C (65 °F), with a minimum of 13.5 °C (56.4 °F) and a maximum of 22.8 °C (73.1 °F). On the coldest nights of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to -2 °C (28.4 °F) in December 2004.On the warmest days of the month, the temperature usually reaches around 29 °C (84.5 °F). However, it reached 33 °C (91.4 °F) in December 2015.Precipitation amounts to 30 mm (1.2 in), distributed over 7 days.
The day lasts on average 10 hours and 35 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.There are on average 4 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).The average sea temperature is of 23 °C (73 °F). Therefore, the sea can be considered barely acceptable for swimming.
