Petit Grabo Weather in December

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

Average highs run from 30°C on December 1 to 31°C on December 31, and lows from 22°C to 21°C. Normal precipitation for the month is 56 mm over about 12 wet days.

December day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 30°C
Average low: 22°C
Precipitation: 56 mm
Reanalysis high: 37°CDec 31, 2002
Reanalysis low: 15°CDec 27, 2014
Daylight: 11 h 50 min to 11 h 49 min
Cloud cover: 54%
Humidity: 82%
Dew point: 22°C
Wind: 4.0 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
Dec 1	30°C	22°C	32°C 2006	21°C 1991	61%
Dec 2	30°C	22°C	33°C 2002	21°C 2011	59%
Dec 3	30°C	22°C	32°C 1997	21°C 1992	58%
Dec 4	30°C	22°C	32°C 1997	21°C 2011	56%
Dec 5	30°C	22°C	33°C 1997	20°C 2000	56%
Dec 6	30°C	22°C	32°C 2006	20°C 2015	56%
Dec 7	30°C	22°C	33°C 2006	20°C 2015	56%
Dec 8	30°C	22°C	33°C 2006	17°C 2013	56%
Dec 9	30°C	22°C	33°C 2006	16°C 2013	56%
Dec 10	30°C	22°C	32°C 2006	20°C 2003	54%
Dec 11	30°C	22°C	33°C 2002	21°C 2013	51%
Dec 12	30°C	22°C	34°C 2002	19°C 2010	49%
Dec 13	30°C	22°C	32°C 1992	19°C 1999	47%
Dec 14	30°C	22°C	35°C 2002	18°C 1999	45%
Dec 15	30°C	22°C	35°C 2002	18°C 2000	45%
Dec 16	30°C	22°C	34°C 2002	19°C 2015	44%
Dec 17	30°C	22°C	34°C 2002	16°C 2015	44%
Dec 18	30°C	22°C	33°C 2002	17°C 2015	44%
Dec 19	30°C	22°C	35°C 2002	16°C 2015	43%
Dec 20	30°C	22°C	33°C 2006	16°C 2015	41%
Dec 21	30°C	22°C	33°C 2007	17°C 1998	38%
Dec 22	30°C	22°C	33°C 2005	18°C 2015	36%
Dec 23	30°C	22°C	35°C 2002	17°C 2017	33%
Dec 24	31°C	21°C	35°C 2002	18°C 2017	30%
Dec 25	30°C	21°C	34°C 2002	17°C 2018	30%
Dec 26	30°C	21°C	35°C 2002	17°C 2018	30%
Dec 27	30°C	21°C	35°C 2002	15°C 2014	30%
Dec 28	31°C	21°C	35°C 2002	15°C 2014	30%
Dec 29	31°C	21°C	35°C 2002	16°C 2015	30%
Dec 30	31°C	21°C	36°C 2002	16°C 2014	28%
Dec 31	31°C	21°C	37°C 2002	16°C 2012	27%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

December 1: sunrise 6:23 AM, sunset 6:13 PM
December 31: sunrise 6:38 AM, sunset 6:27 PM

Every day of December: 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.