Reynosa climate

Name: Reynosa
Address: MX

Reynosa is warmest in August, with average highs of 36 °C, and coldest in January, when nights average 12 °C. September is the wettest month (90 mm) and February the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Reynosa averages 561 mm of rain, 296 days above 25 °C and 0 days below freezing.

Mexico · population 589,466 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 36 °C
Coldest month January 12 °C
Driest month February 25 mm
Wettest month September 90 mm
Least cloud October 40 % cloud
Hottest on record June 43 °C
Coldest on record December -3.7 °C

What to expectReynosa through the year

Reynosa has a clear annual cycle: average daily highs run from 23 °C in January to 36 °C in August, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 296 days a year reach 25 °C, 202 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 43 °C, in June.

Rain is strongly seasonal. September averages 90 mm against 25 mm in February — 3.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.6 °C	28 mm	56 %
February	25.4 °C	25 mm	54 %
March	28.1 °C	38 mm	53 %
April	31.1 °C	47 mm	53 %
May	33.3 °C	51 mm	50 %
June	35.1 °C	51 mm	42 %
July	35.7 °C	58 mm	43 %
August	36.1 °C	38 mm	43 %
September	32.8 °C	90 mm	49 %
October	30.5 °C	64 mm	40 %
November	26.3 °C	37 mm	46 %
December	23.3 °C	32 mm	54 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.6 °C	12.5 °C	16.5 °C	34.1 °C	-1.8 °C	12	1
February	25.4 °C	14.5 °C	18.6 °C	36.9 °C	-1.7 °C	17	5
March	28.1 °C	17.2 °C	21.4 °C	38.5 °C	3.6 °C	24	10
April	31.1 °C	20.2 °C	24.5 °C	41.1 °C	5.3 °C	28	19
May	33.3 °C	23.2 °C	27.3 °C	42.1 °C	10.7 °C	31	26
June	35.1 °C	25.2 °C	29.3 °C	43.0 °C	19.7 °C	30	29
July	35.7 °C	25.5 °C	29.7 °C	41.2 °C	21.7 °C	31	30
August	36.1 °C	25.8 °C	30.0 °C	40.7 °C	20.6 °C	31	30
September	32.8 °C	23.9 °C	27.7 °C	42.5 °C	15.1 °C	30	25
October	30.5 °C	20.7 °C	24.8 °C	38.1 °C	3.8 °C	29	19
November	26.3 °C	16.6 °C	20.6 °C	34.6 °C	2.1 °C	20	6
December	23.3 °C	13.5 °C	17.4 °C	32.7 °C	-3.7 °C	13	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	28 mm	4	11 h/day	56 %	69 %	24 km/h
February	25 mm	4	11 h/day	54 %	69 %	25 km/h
March	38 mm	5	12 h/day	53 %	67 %	27 km/h
April	47 mm	6	13 h/day	53 %	67 %	27 km/h
May	51 mm	6	13 h/day	50 %	69 %	27 km/h
June	51 mm	7	14 h/day	42 %	68 %	26 km/h
July	58 mm	6	14 h/day	43 %	67 %	27 km/h
August	38 mm	6	13 h/day	43 %	66 %	25 km/h
September	90 mm	12	12 h/day	49 %	72 %	20 km/h
October	64 mm	8	12 h/day	40 %	69 %	22 km/h
November	37 mm	5	11 h/day	46 %	69 %	23 km/h
December	32 mm	5	11 h/day	54 %	69 %	23 km/h

How Reynosa compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Reynosa	36 °C	12 °C	561 mm	296
Heroica Matamoros · Mexico	33 °C	14 °C	640 mm	265
Ciudad Benito Juárez · Mexico	33 °C	9.7 °C	553 mm	252
Ciudad Apodaca · Mexico	34 °C	9.5 °C	575 mm	256
Nuevo Laredo · Mexico	37 °C	10 °C	497 mm	281
Monterrey · Mexico	33 °C	9.8 °C	582 mm	244
Corpus Christi · United States	32 °C	12 °C	781 mm	215

Where Reynosa ranks

Ranking	Position	Value
The warmest places in North America in August	15thof 50	36 °C
The warmest places in North America in June	16thof 50	35 °C
The warmest places in North America in July	17thof 50	36 °C
The warmest places in North America in May	18thof 50	33 °C
The warmest places in North America in September	19thof 50	33 °C
The warmest places in North America in October	20thof 50	30 °C

Planning a trip? See the best time to visit Reynosa.

QuestionsCommon questions about Reynosa’s climate

When is the best time to visit Reynosa?

That depends on what you want, so the honest answer is a comparison rather than a single month. February, March, November sit closest to 20 °C on average, August is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Reynosa get?

In August, the warmest month, daily highs average 36 °C. About 202 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 12 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Reynosa?

September, averaging 90 mm over 12 days with rain. The driest month is February with 25 mm. The year as a whole averages 561 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Reynosa rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.