Las Tunas Weather in May

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

Average highs run from 34°C on May 1 to 33°C on May 31, and lows from 23°C to 24°C. Normal precipitation for the month is 96 mm over about 12 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: 33°C
Average low: 24°C
Precipitation: 96 mm
Reanalysis high: 41°CMay 10, 1998
Reanalysis low: 19°CMay 3, 1992
Daylight: 12 h 56 min to 13 h 19 min
Cloud cover: 57%
Humidity: 70%
Dew point: 21°C
Wind: 14.8 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	34°C	23°C	37°C 2015	19°C 1992	36%
May 2	34°C	23°C	37°C 1997	20°C 1992	36%
May 3	33°C	23°C	37°C 1997	19°C 1992	36%
May 4	33°C	23°C	37°C 2004	19°C 1992	35%
May 5	33°C	23°C	37°C 2020	19°C 2006	34%
May 6	33°C	23°C	36°C 1998	20°C 2006	34%
May 7	33°C	23°C	36°C 2009	20°C 2012	34%
May 8	33°C	23°C	36°C 1998	20°C 2016	35%
May 9	33°C	23°C	40°C 1998	20°C 2016	36%
May 10	33°C	23°C	41°C 1998	20°C 2011	35%
May 11	33°C	23°C	38°C 1998	20°C 2017	37%
May 12	33°C	23°C	38°C 1998	20°C 2017	39%
May 13	33°C	23°C	37°C 2006	21°C 2000	41%
May 14	33°C	23°C	36°C 1997	20°C 2011	43%
May 15	33°C	24°C	36°C 2003	21°C 2011	44%
May 16	33°C	24°C	38°C 2020	21°C 2001	45%
May 17	33°C	24°C	37°C 2008	21°C 2001	47%
May 18	33°C	24°C	37°C 2011	22°C 1998	49%
May 19	33°C	24°C	37°C 1997	22°C 2019	50%
May 20	33°C	24°C	36°C 1995	21°C 2000	52%
May 21	33°C	24°C	37°C 1997	21°C 2000	53%
May 22	33°C	24°C	36°C 2000	21°C 1992	54%
May 23	33°C	24°C	37°C 2006	20°C 1992	54%
May 24	33°C	24°C	38°C 2006	21°C 1992	55%
May 25	33°C	24°C	38°C 2020	21°C 1992	55%
May 26	33°C	24°C	39°C 2020	21°C 1992	55%
May 27	33°C	24°C	37°C 2003	21°C 1992	55%
May 28	33°C	24°C	38°C 2003	23°C 1995	54%
May 29	33°C	24°C	38°C 2003	23°C 2015	54%
May 30	33°C	24°C	37°C 2003	23°C 2008	53%
May 31	33°C	24°C	38°C 2004	23°C 2011	52%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

May 1: sunrise 6:37 AM, sunset 7:33 PM
May 31: sunrise 6:26 AM, sunset 7:45 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.