Ilongero Weather in December

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

Average highs run from 28°C on December 1 to 27°C on December 31, and lows from 16°C to 16°C. Normal precipitation for the month is 136 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: 27°C
Average low: 16°C
Precipitation: 136 mm
Reanalysis high: 33°CDec 23, 2005
Reanalysis low: 12°CDec 5, 1999
Daylight: 12 h 23 min to 12 h 23 min
Cloud cover: 67%
Humidity: 69%
Dew point: 14°C
Wind: 13.7 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	28°C	16°C	31°C 2007	14°C 1992	54%
Dec 2	28°C	16°C	31°C 2007	14°C 1999	55%
Dec 3	28°C	16°C	31°C 2015	15°C 1999	55%
Dec 4	28°C	16°C	31°C 2007	15°C 1999	56%
Dec 5	28°C	16°C	32°C 1991	12°C 1999	56%
Dec 6	28°C	16°C	33°C 2015	14°C 1992	58%
Dec 7	28°C	16°C	32°C 1996	14°C 1999	58%
Dec 8	28°C	16°C	32°C 2003	15°C 1999	59%
Dec 9	28°C	16°C	32°C 2005	15°C 1991	59%
Dec 10	28°C	16°C	32°C 2001	15°C 2011	61%
Dec 11	28°C	16°C	32°C 1998	14°C 1995	63%
Dec 12	28°C	16°C	32°C 1999	13°C 1995	64%
Dec 13	28°C	16°C	33°C 2005	14°C 1995	65%
Dec 14	27°C	16°C	32°C 2005	14°C 1995	66%
Dec 15	27°C	16°C	31°C 1998	14°C 2020	67%
Dec 16	27°C	16°C	32°C 2005	13°C 2003	68%
Dec 17	27°C	16°C	33°C 2005	14°C 2003	69%
Dec 18	27°C	16°C	32°C 2005	15°C 2003	69%
Dec 19	27°C	16°C	32°C 1993	14°C 2013	69%
Dec 20	27°C	16°C	33°C 2005	14°C 2007	69%
Dec 21	27°C	16°C	33°C 2005	14°C 2020	69%
Dec 22	27°C	16°C	33°C 1998	15°C 1991	69%
Dec 23	27°C	16°C	33°C 2005	14°C 2007	70%
Dec 24	27°C	16°C	33°C 1998	14°C 2020	70%
Dec 25	27°C	16°C	33°C 1998	14°C 2012	70%
Dec 26	27°C	16°C	32°C 1998	13°C 2012	69%
Dec 27	27°C	16°C	32°C 1993	14°C 2012	68%
Dec 28	27°C	16°C	32°C 1993	14°C 2018	68%
Dec 29	27°C	16°C	32°C 1993	14°C 2020	68%
Dec 30	27°C	16°C	32°C 1998	14°C 1992	67%
Dec 31	27°C	16°C	31°C 1993	14°C 1992	67%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:18 AM, sunset 6:41 PM
December 31: sunrise 6:32 AM, sunset 6:55 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.