Sincelejo Weather in May

NASA POWER reanalysis for the half-degree grid cell around Sincelejo, 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 26°C to 26°C. Normal precipitation for the month is 186 mm over about 25 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: 26°C
Precipitation: 186 mm
Reanalysis high: 39°CMay 20, 2016
Reanalysis low: 22°CMay 19, 2011
Daylight: 12 h 27 min to 12 h 38 min
Cloud cover: 82%
Humidity: 81%
Dew point: 24°C
Wind: 6.5 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	26°C	38°C 2003	24°C 1999	77%
May 2	33°C	26°C	38°C 2002	24°C 1999	78%
May 3	33°C	26°C	38°C 2020	25°C 2008	79%
May 4	33°C	26°C	36°C 2017	24°C 2008	79%
May 5	33°C	26°C	37°C 1994	24°C 1998	78%
May 6	33°C	26°C	36°C 2002	25°C 2009	77%
May 7	33°C	26°C	37°C 1991	24°C 2013	78%
May 8	33°C	26°C	37°C 2004	24°C 1995	80%
May 9	33°C	26°C	36°C 1998	25°C 2003	81%
May 10	33°C	26°C	38°C 2020	25°C 1999	82%
May 11	33°C	26°C	37°C 1992	24°C 1999	82%
May 12	33°C	26°C	37°C 2015	24°C 2014	83%
May 13	33°C	26°C	37°C 2002	24°C 1999	83%
May 14	33°C	26°C	37°C 1997	24°C 1999	83%
May 15	33°C	26°C	37°C 2008	25°C 1995	84%
May 16	33°C	26°C	38°C 1997	24°C 2011	84%
May 17	33°C	26°C	38°C 1997	24°C 2011	83%
May 18	33°C	26°C	38°C 1997	23°C 2011	83%
May 19	33°C	26°C	38°C 1997	22°C 2011	85%
May 20	32°C	26°C	39°C 2016	22°C 2011	87%
May 21	32°C	26°C	38°C 2016	24°C 2011	88%
May 22	32°C	26°C	37°C 2006	24°C 1991	90%
May 23	32°C	26°C	36°C 2015	24°C 1991	90%
May 24	32°C	26°C	36°C 2017	24°C 2008	89%
May 25	32°C	26°C	37°C 1997	25°C 1995	88%
May 26	32°C	26°C	37°C 2014	24°C 1996	88%
May 27	32°C	26°C	36°C 2006	23°C 1993	88%
May 28	32°C	26°C	35°C 2005	24°C 2010	88%
May 29	32°C	26°C	35°C 2001	24°C 2004	88%
May 30	32°C	26°C	36°C 2005	25°C 1996	88%
May 31	32°C	26°C	34°C 2018	24°C 2019	88%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

May 1: sunrise 5:45 AM, sunset 6:12 PM
May 31: sunrise 5:40 AM, sunset 6:18 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.