Rwiimi Weather in December

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

Average highs run from 24°C on December 1 to 26°C on December 31, and lows from 16°C to 16°C. Normal precipitation for the month is 99 mm over about 19 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: 25°C
Average low: 16°C
Precipitation: 99 mm
Reanalysis high: 32°CDec 30, 2005
Reanalysis low: 12°CDec 30, 2003
Daylight: 12 h 06 min to 12 h 06 min
Cloud cover: 70%
Humidity: 77%
Dew point: 15°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	24°C	16°C	27°C 1998	15°C 2011	81%
Dec 2	24°C	16°C	27°C 1998	14°C 2008	81%
Dec 3	24°C	16°C	27°C 1998	14°C 1998	82%
Dec 4	24°C	16°C	28°C 1998	15°C 1999	81%
Dec 5	24°C	16°C	27°C 2007	14°C 2014	80%
Dec 6	24°C	16°C	27°C 1998	14°C 2019	79%
Dec 7	24°C	16°C	27°C 1998	15°C 1999	78%
Dec 8	24°C	16°C	27°C 1998	15°C 1992	76%
Dec 9	24°C	16°C	27°C 1998	14°C 2018	75%
Dec 10	25°C	16°C	28°C 2005	13°C 2009	74%
Dec 11	25°C	16°C	28°C 1998	13°C 2009	72%
Dec 12	25°C	16°C	28°C 1998	13°C 2009	70%
Dec 13	25°C	16°C	29°C 2005	13°C 2017	68%
Dec 14	25°C	16°C	29°C 2005	14°C 2005	65%
Dec 15	25°C	16°C	29°C 2005	13°C 2013	63%
Dec 16	25°C	16°C	30°C 2005	13°C 2007	60%
Dec 17	25°C	16°C	30°C 2005	13°C 2007	58%
Dec 18	25°C	16°C	30°C 2005	13°C 2013	55%
Dec 19	25°C	16°C	30°C 2005	14°C 2007	54%
Dec 20	25°C	16°C	31°C 2005	14°C 1992	53%
Dec 21	25°C	16°C	31°C 2005	14°C 1996	51%
Dec 22	25°C	16°C	31°C 2005	14°C 1991	50%
Dec 23	25°C	16°C	31°C 2005	14°C 2002	48%
Dec 24	25°C	16°C	30°C 2005	14°C 2002	48%
Dec 25	25°C	16°C	30°C 2005	14°C 2002	47%
Dec 26	25°C	16°C	29°C 2005	13°C 2002	46%
Dec 27	25°C	16°C	29°C 2005	13°C 2002	45%
Dec 28	25°C	16°C	30°C 2005	13°C 2002	45%
Dec 29	25°C	16°C	31°C 2005	14°C 2007	44%
Dec 30	26°C	16°C	32°C 2005	12°C 2003	44%
Dec 31	26°C	16°C	31°C 2005	14°C 2014	43%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:45 AM, sunset 6:51 PM
December 31: sunrise 6:59 AM, sunset 7:05 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.