The sun shines quite often, although there are periods characterized by clouds, rain and wind.
There may be hot periods even in the middle of winter, with highs of 30 °C (86 °F) and more.
However, there may also be short cold periods, with highs below 10 °C (50 °F). Very rarely, it can even snow. In February 2021, the temperature dropped to -6 °C (21 °F).
, from June to September, is very hot and sunny, with some thunderstorms. There combination of humidity and temperature makes the heat sweltering.
There can be long, very hot periods even in May and October, and sometimes in late April, while for short periods, the temperature can reach about 40 °C (104 °F) from March to October.
From June to November (but with a higher probability from August to October), there is the risk of
. In general, hurricanes weaken when they penetrate inland, however, they can still bring abundant rains, as happened in July 2008 with Hurricane Dolly and in July 2020 with Hurricane Hanna.
The best time to visit Reynosa is from November to March. Winter, from December to February, is generally a mild season, although it can sometimes get cold (especially in December and January). You can therefore choose the months of March and November.
. Here are the average temperatures.
January, the coldest month of the year, is generally a very mild month. The average temperature is of
17 °C, with a minimum of
11 °C and a maximum of
23 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C.

On the warmest days of the month, the temperature usually reaches around
31 °C.

Precipitation amounts to
15 mm, distributed over 2 days.
The day lasts on average 10 hours and 40 minutes.
The average humidity is 68%.
The average wind speed is of
15.4 kph.
February is generally a warm month. The average temperature is of
19.4 °C, with a minimum of
13.4 °C and a maximum of
25.4 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
15 mm, distributed over 2 days.
The day lasts on average 11 hours and 20 minutes.
The average humidity is 68%.
The average wind speed is of
17.1 kph.
March is generally a warm month. The average temperature is of
22.5 °C, with a minimum of
16.5 °C and a maximum of
28.4 °C.

On the coldest nights of the month, the temperature usually drops to around
6.5 °C.

On the warmest days of the month, the temperature usually reaches around
35.5 °C.

Precipitation amounts to only
5 mm, and all occurs in one day.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 66%.
The average wind speed is of
18.5 kph.
April is generally a warm to hot month. The average temperature is of
25.5 °C, with a minimum of
19.7 °C and a maximum of
31.2 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

On the warmest days of the month, the temperature usually reaches around
37 °C.

Precipitation amounts to
25 mm, distributed over 3 days.
The day lasts on average 12 hours and 50 minutes.
The average humidity is 67%.
The average wind speed is of
19.6 kph.
May is generally a very hot month. The average temperature is of
28.1 °C, with a minimum of
22.8 °C and a maximum of
33.5 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C.

On the warmest days of the month, the temperature usually reaches around
37.5 °C.

Precipitation amounts to
75 mm, distributed over 5 days.
The day lasts on average 13 hours and 25 minutes.
The average humidity is 69%.
The average wind speed is of
19.9 kph.
June is generally a very hot month. The average temperature is of
30.3 °C, with a minimum of
24.8 °C and a maximum of
35.8 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C.

On the warmest days of the month, the temperature usually reaches around
39 °C.

Precipitation amounts to
100 mm, distributed over 5 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.
The average humidity is 67%.
The average wind speed is of
18.8 kph.
July is generally a very hot month. The average temperature is of
31 °C, with a minimum of
25.3 °C and a maximum of
36.6 °C.

On the coldest nights of the month, the temperature usually drops to around
22.5 °C.

On the warmest days of the month, the temperature usually reaches around
39.5 °C.

Precipitation amounts to
25 mm, distributed over 2 days.
The day lasts on average 13 hours and 35 minutes.
The average humidity is 64%.
The average wind speed is of
19.7 kph.
August, the hottest month of the year, is generally a very hot month. The average temperature is of
31.3 °C, with a minimum of
25.4 °C and a maximum of
37.1 °C.

On the coldest nights of the month, the temperature usually drops to around
23 °C.

On the warmest days of the month, the temperature usually reaches around
40 °C.

Precipitation amounts to
65 mm, distributed over 3 days.
The day lasts on average 13 hours and 0 minutes.
The average humidity is 63%.
The average wind speed is of
17.1 kph.
September is generally a very hot month. The average temperature is of
28.9 °C, with a minimum of
23.6 °C and a maximum of
34.3 °C.

On the coldest nights of the month, the temperature usually drops to around
18 °C.

On the warmest days of the month, the temperature usually reaches around
38.5 °C.

Precipitation amounts to
75 mm, distributed over 5 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 70%.
The average wind speed is of
13.4 kph.
October is generally a warm to hot month. The average temperature is of
25.7 °C, with a minimum of
19.9 °C and a maximum of
31.5 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C.

On the warmest days of the month, the temperature usually reaches around
36 °C.

Precipitation amounts to
25 mm, distributed over 3 days.
The day lasts on average 11 hours and 30 minutes.
The average humidity is 68%.
The average wind speed is of
14.3 kph.
November is generally a warm month. The average temperature is of
21.2 °C, with a minimum of
15.5 °C and a maximum of
26.9 °C.

On the coldest nights of the month, the temperature usually drops to around
5.5 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
10 mm, distributed over 2 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 69%.
The average wind speed is of
14.7 kph.
December is generally a very mild month. The average temperature is of
17.8 °C, with a minimum of
12.2 °C and a maximum of
23.5 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C.

On the warmest days of the month, the temperature usually reaches around
31 °C.

Precipitation amounts to
15 mm, and all occurs in one day.
The day lasts on average 10 hours and 30 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 69%.
The average wind speed is of
14.7 kph.