Guama Weather in May

NASA POWER reanalysis for the half-degree grid cell around Guama, 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 32°C on May 31, and lows from 23°C to 23°C. Normal precipitation for the month is 78 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: 23°C
Precipitation: 78 mm
Reanalysis high: 39°CMay 16, 2020
Reanalysis low: 20°CMay 22, 2008
Daylight: 12 h 29 min to 12 h 41 min
Cloud cover: 73%
Humidity: 74%
Dew point: 21°C
Wind: 3.6 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	23°C	38°C 2015	21°C 2000	35%
May 2	33°C	23°C	38°C 2015	21°C 2000	35%
May 3	33°C	23°C	37°C 2020	21°C 1999	36%
May 4	33°C	23°C	36°C 2020	21°C 1999	36%
May 5	33°C	23°C	36°C 2014	21°C 1999	36%
May 6	33°C	23°C	37°C 2014	21°C 1999	36%
May 7	33°C	23°C	37°C 2020	21°C 1995	38%
May 8	33°C	23°C	38°C 2020	21°C 2000	40%
May 9	33°C	23°C	37°C 2020	22°C 2001	41%
May 10	33°C	23°C	36°C 2020	22°C 2002	41%
May 11	33°C	23°C	37°C 2020	21°C 2014	41%
May 12	33°C	23°C	38°C 2020	21°C 1996	41%
May 13	33°C	23°C	37°C 2007	22°C 2010	41%
May 14	33°C	23°C	37°C 2016	22°C 2008	42%
May 15	33°C	23°C	37°C 2019	21°C 1999	42%
May 16	33°C	23°C	39°C 2020	21°C 1996	42%
May 17	33°C	23°C	37°C 2020	21°C 2011	42%
May 18	33°C	23°C	37°C 2020	22°C 2011	42%
May 19	33°C	23°C	37°C 2020	21°C 2011	42%
May 20	33°C	23°C	37°C 2020	22°C 2006	44%
May 21	33°C	23°C	39°C 2020	20°C 2008	47%
May 22	33°C	23°C	37°C 2020	20°C 2008	48%
May 23	33°C	23°C	37°C 2020	21°C 2011	48%
May 24	33°C	23°C	38°C 2020	22°C 2006	48%
May 25	32°C	23°C	36°C 2009	21°C 1996	49%
May 26	32°C	23°C	37°C 2020	22°C 2015	49%
May 27	32°C	23°C	35°C 2009	21°C 1997	49%
May 28	32°C	23°C	35°C 2007	22°C 2002	50%
May 29	32°C	23°C	35°C 2018	22°C 2001	50%
May 30	32°C	23°C	35°C 1991	21°C 2001	51%
May 31	32°C	23°C	36°C 2016	21°C 2004	51%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 6:18 AM, sunset 6:47 PM
May 31: sunrise 6:13 AM, sunset 6:54 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.