Calumbo Weather in December

NASA POWER reanalysis for the half-degree grid cell around Calumbo, 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 December 1 to 34°C on December 31, and lows from 24°C to 24°C. Normal precipitation for the month is 50 mm over about 9 wet days.

December day by day

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

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 34°C
Average low: 24°C
Precipitation: 50 mm
Record high: 37°CDec 22, 2016
Record low: 18°CDec 21, 1963
Daylight: 12 h 37 min to 12 h 39 min
Cloud cover: 74%
Humidity: 69%
Dew point: 21°C
Wind: 10.4 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	Record high	Record low	Chance wet
Dec 1	33°C	24°C	32°C 2020	20°C 1964	40%
Dec 2	33°C	24°C	32°C 2020	20°C 1976	40%
Dec 3	33°C	24°C	30°C 2019	21°C 1963	40%
Dec 4	33°C	24°C	32°C 2016	22°C 1964	39%
Dec 5	33°C	24°C	31°C 2015	22°C 2020	38%
Dec 6	33°C	24°C	32°C 2020	20°C 2001	38%
Dec 7	33°C	24°C	33°C 2019	21°C 1963	38%
Dec 8	33°C	24°C	33°C 2019	22°C 1965	37%
Dec 9	33°C	24°C	31°C 2004	21°C 2002	36%
Dec 10	33°C	24°C	33°C 2019	21°C 1977	35%
Dec 11	33°C	24°C	31°C 2020	22°C 1977	33%
Dec 12	33°C	24°C	35°C 2019	20°C 1977	32%
Dec 13	33°C	24°C	35°C 2019	21°C 1965	30%
Dec 14	34°C	24°C	32°C 2019	21°C 2020	28%
Dec 15	34°C	24°C	32°C 1966	19°C 1977	27%
Dec 16	34°C	24°C	33°C 2019	21°C 1963	26%
Dec 17	34°C	24°C	34°C 2019	21°C 1977	26%
Dec 18	34°C	24°C	35°C 2019	22°C 1973	25%
Dec 19	34°C	24°C	33°C 2019	20°C 2019	24%
Dec 20	34°C	24°C	33°C 2019	20°C 1963	24%
Dec 21	34°C	24°C	32°C 2019	18°C 1963	24%
Dec 22	34°C	24°C	37°C 2016	21°C 2019	24%
Dec 23	34°C	24°C	34°C 2019	21°C 1965	24%
Dec 24	34°C	24°C	31°C 1966	21°C 1967	24%
Dec 25	34°C	24°C	34°C 2019	21°C 2001	24%
Dec 26	34°C	24°C	35°C 2019	21°C 1975	24%
Dec 27	34°C	24°C	32°C 2018	20°C 1978	24%
Dec 28	34°C	24°C	34°C 2019	22°C 1964	25%
Dec 29	34°C	24°C	36°C 2016	21°C 2001	25%
Dec 30	34°C	24°C	36°C 2016	22°C 1964	25%
Dec 31	34°C	24°C	31°C 1966	22°C 1964	24%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1: sunrise 5:37 AM, sunset 6:14 PM
December 31: sunrise 5:50 AM, sunset 6:29 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station AO000066160, every year on file, quality-flagged values removed. 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.