Saint-Laurent-du-Maroni Weather in December

NASA POWER reanalysis for the half-degree grid cell around Saint-Laurent-du-Maroni, 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 28°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 211 mm over about 28 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: 29°C
Average low: 24°C
Precipitation: 211 mm
Reanalysis high: 34°CDec 3, 2016
Reanalysis low: 20°CDec 26, 1994
Daylight: 11 h 50 min to 11 h 49 min
Cloud cover: 65%
Humidity: 85%
Dew point: 23°C
Wind: 6.8 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
Dec 1	30°C	24°C	34°C 2004	23°C 1994	81%
Dec 2	30°C	24°C	34°C 2004	23°C 2013	82%
Dec 3	30°C	24°C	34°C 2016	23°C 1996	82%
Dec 4	30°C	24°C	34°C 2004	22°C 2011	83%
Dec 5	30°C	24°C	33°C 2012	23°C 2011	84%
Dec 6	30°C	24°C	33°C 1999	22°C 2012	85%
Dec 7	30°C	24°C	33°C 2012	23°C 1996	85%
Dec 8	30°C	24°C	32°C 2004	23°C 1994	85%
Dec 9	30°C	24°C	33°C 2004	23°C 2018	86%
Dec 10	30°C	24°C	33°C 2004	23°C 1997	86%
Dec 11	30°C	24°C	32°C 2004	23°C 2000	86%
Dec 12	29°C	24°C	34°C 2004	22°C 2000	87%
Dec 13	29°C	24°C	34°C 2004	22°C 1992	88%
Dec 14	29°C	24°C	34°C 2004	22°C 1992	89%
Dec 15	29°C	24°C	33°C 2004	22°C 1992	89%
Dec 16	29°C	24°C	33°C 2004	22°C 1992	90%
Dec 17	29°C	24°C	32°C 2004	22°C 2000	90%
Dec 18	29°C	24°C	33°C 2004	22°C 1997	90%
Dec 19	29°C	24°C	32°C 2004	22°C 1997	90%
Dec 20	29°C	24°C	32°C 2004	22°C 1997	90%
Dec 21	29°C	24°C	32°C 2004	22°C 1994	91%
Dec 22	29°C	24°C	31°C 1997	23°C 1992	92%
Dec 23	29°C	24°C	31°C 2004	23°C 2016	92%
Dec 24	28°C	24°C	32°C 2004	22°C 1998	92%
Dec 25	28°C	24°C	34°C 2004	21°C 1994	93%
Dec 26	28°C	24°C	32°C 2004	20°C 1994	94%
Dec 27	28°C	24°C	31°C 2004	21°C 1994	94%
Dec 28	28°C	24°C	30°C 2019	22°C 1994	93%
Dec 29	28°C	23°C	31°C 2004	22°C 1993	92%
Dec 30	28°C	23°C	31°C 2004	22°C 2010	91%
Dec 31	28°C	23°C	32°C 2004	23°C 2018	90%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

December 1: sunrise 6:30 AM, sunset 6:20 PM
December 31: sunrise 6:45 AM, sunset 6:34 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.