Somoto Weather in May

NASA POWER reanalysis for the half-degree grid cell around Somoto, 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 29°C on May 31, and lows from 21°C to 21°C. Normal precipitation for the month is 143 mm over about 16 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: 31°C
Average low: 21°C
Precipitation: 143 mm
Reanalysis high: 40°CMay 11, 1998
Reanalysis low: 17°CMay 22, 2011
Daylight: 12 h 37 min to 12 h 52 min
Cloud cover: 74%
Humidity: 68%
Dew point: 18°C
Wind: 10.4 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	21°C	37°C 2003	19°C 2000	31%
May 2	33°C	21°C	37°C 2003	19°C 1992	33%
May 3	33°C	21°C	36°C 1997	19°C 1992	34%
May 4	33°C	21°C	36°C 1998	19°C 2013	35%
May 5	33°C	21°C	36°C 2001	18°C 1991	37%
May 6	33°C	21°C	37°C 1998	19°C 2011	38%
May 7	33°C	21°C	37°C 1998	17°C 1999	39%
May 8	33°C	21°C	37°C 1998	18°C 2016	41%
May 9	33°C	21°C	38°C 1998	18°C 2001	41%
May 10	33°C	21°C	37°C 1998	19°C 2003	42%
May 11	33°C	21°C	40°C 1998	18°C 2012	44%
May 12	32°C	21°C	39°C 1998	20°C 2014	46%
May 13	32°C	21°C	38°C 1998	19°C 2014	47%
May 14	32°C	21°C	38°C 1998	18°C 2013	50%
May 15	32°C	21°C	36°C 1998	18°C 2013	52%
May 16	32°C	21°C	36°C 2008	19°C 1998	56%
May 17	31°C	21°C	36°C 2008	19°C 2000	57%
May 18	31°C	21°C	35°C 2002	19°C 1998	58%
May 19	31°C	21°C	37°C 2002	19°C 1998	60%
May 20	31°C	21°C	36°C 2001	19°C 2000	61%
May 21	31°C	21°C	35°C 2016	18°C 2011	62%
May 22	30°C	21°C	35°C 1997	17°C 2011	63%
May 23	30°C	21°C	36°C 2016	18°C 2011	64%
May 24	30°C	21°C	37°C 2016	19°C 1997	65%
May 25	30°C	21°C	36°C 2016	18°C 2004	66%
May 26	30°C	21°C	36°C 1994	19°C 2019	68%
May 27	30°C	21°C	36°C 1994	18°C 1996	67%
May 28	30°C	21°C	35°C 1997	18°C 2012	68%
May 29	29°C	21°C	35°C 1997	18°C 2017	68%
May 30	29°C	21°C	36°C 1995	19°C 1999	69%
May 31	29°C	21°C	35°C 1995	19°C 2008	68%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

May 1: sunrise 5:25 AM, sunset 6:02 PM
May 31: sunrise 5:18 AM, sunset 6:10 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.