Gualaco Weather in May

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

Average highs run from 33°C on May 1 to 30°C on May 31, and lows from 20°C to 20°C. Normal precipitation for the month is 87 mm over about 14 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: 32°C
Average low: 20°C
Precipitation: 87 mm
Reanalysis high: 40°CMay 11, 1998
Reanalysis low: 16°CMay 7, 2018
Daylight: 12 h 41 min to 12 h 58 min
Cloud cover: 63%
Humidity: 67%
Dew point: 18°C
Wind: 7.6 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	33°C	20°C	37°C 2003	17°C 1992	24%
May 2	33°C	20°C	37°C 2003	17°C 1992	25%
May 3	33°C	20°C	36°C 1997	18°C 1992	26%
May 4	33°C	20°C	36°C 1998	18°C 1992	26%
May 5	33°C	20°C	37°C 1998	17°C 2013	27%
May 6	33°C	20°C	37°C 1998	18°C 2011	27%
May 7	33°C	20°C	36°C 1998	16°C 2018	28%
May 8	33°C	20°C	37°C 1998	17°C 2016	30%
May 9	33°C	20°C	38°C 1998	17°C 2016	32%
May 10	33°C	20°C	39°C 1998	17°C 2001	33%
May 11	33°C	20°C	40°C 1998	18°C 2007	35%
May 12	32°C	20°C	39°C 1998	18°C 1992	36%
May 13	32°C	20°C	39°C 1998	19°C 1993	37%
May 14	32°C	20°C	38°C 1998	18°C 2007	38%
May 15	32°C	20°C	36°C 2019	18°C 2013	40%
May 16	32°C	20°C	36°C 1994	18°C 2013	43%
May 17	32°C	20°C	35°C 2008	18°C 2000	45%
May 18	32°C	20°C	36°C 1995	18°C 2004	47%
May 19	32°C	20°C	35°C 2013	18°C 1998	49%
May 20	31°C	20°C	35°C 2013	18°C 2000	50%
May 21	31°C	20°C	35°C 2013	18°C 1997	52%
May 22	31°C	20°C	35°C 2013	18°C 1997	54%
May 23	31°C	20°C	35°C 1995	18°C 2000	56%
May 24	31°C	20°C	36°C 2016	19°C 2014	57%
May 25	31°C	20°C	36°C 1997	19°C 2014	58%
May 26	31°C	20°C	36°C 1997	19°C 2019	59%
May 27	31°C	20°C	36°C 1994	19°C 2014	60%
May 28	31°C	20°C	35°C 1992	18°C 2012	61%
May 29	30°C	20°C	34°C 2006	18°C 1999	62%
May 30	30°C	20°C	35°C 1995	18°C 1999	63%
May 31	30°C	20°C	34°C 1996	19°C 2000	62%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

May 1: sunrise 5:21 AM, sunset 6:02 PM
May 31: sunrise 5:13 AM, sunset 6:11 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.