Reynosa Weather in May

NASA POWER reanalysis for the half-degree grid cell around Reynosa, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 36°C on May 1 to 37°C on May 31, and lows from 21°C to 24°C. Normal precipitation for the month is 65 mm over about 6 wet days.

May day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 36°C
Average low: 22°C
Precipitation: 65 mm
Reanalysis high: 46°CMay 7, 1998
Reanalysis low: 10°CMay 4, 2013
Daylight: 13 h 09 min to 13 h 40 min
Cloud cover: 53%
Humidity: 63%
Dew point: 19°C
Wind: 21.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	36°C	21°C	43°C 2002	14°C 2015	17%
May 2	36°C	21°C	45°C 2002	13°C 2004	17%
May 3	36°C	21°C	44°C 2002	12°C 2013	17%
May 4	36°C	21°C	44°C 1999	10°C 2013	18%
May 5	36°C	21°C	43°C 2003	14°C 2013	19%
May 6	36°C	22°C	44°C 1998	16°C 2013	20%
May 7	36°C	22°C	46°C 1998	16°C 1992	21%
May 8	36°C	22°C	46°C 1998	14°C 1992	23%
May 9	36°C	22°C	42°C 2006	18°C 1992	25%
May 10	36°C	22°C	44°C 2006	16°C 1997	26%
May 11	36°C	22°C	41°C 2000	14°C 1993	27%
May 12	36°C	22°C	44°C 1995	16°C 1993	26%
May 13	36°C	22°C	45°C 1995	18°C 2014	26%
May 14	36°C	22°C	43°C 1995	15°C 2014	27%
May 15	36°C	22°C	42°C 1999	12°C 2014	27%
May 16	36°C	22°C	43°C 2003	13°C 2014	27%
May 17	36°C	22°C	44°C 1995	16°C 2014	27%
May 18	36°C	22°C	42°C 2001	17°C 2009	27%
May 19	36°C	22°C	42°C 2003	15°C 2009	28%
May 20	36°C	23°C	43°C 2011	17°C 2002	28%
May 21	36°C	23°C	42°C 1998	18°C 2002	28%
May 22	36°C	23°C	43°C 1998	19°C 2009	27%
May 23	36°C	23°C	43°C 2008	20°C 2001	26%
May 24	37°C	23°C	43°C 2012	20°C 2017	26%
May 25	37°C	23°C	42°C 2011	20°C 2017	25%
May 26	37°C	23°C	41°C 2017	20°C 1993	24%
May 27	37°C	23°C	42°C 2011	21°C 1993	25%
May 28	37°C	23°C	43°C 1996	19°C 1993	24%
May 29	37°C	23°C	41°C 1994	18°C 1992	25%
May 30	37°C	24°C	42°C 2004	17°C 1992	25%
May 31	37°C	24°C	43°C 2004	21°C 2020	26%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CDT).

May 1: sunrise 6:56 AM, sunset 8:05 PM
May 31: sunrise 6:41 AM, sunset 8:21 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.