Belleville Weather in December

NASA POWER reanalysis for the half-degree grid cell around Belleville, 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 20°C. Normal precipitation for the month is 40 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: 31°C
Average low: 21°C
Precipitation: 40 mm
Reanalysis high: 37°CDec 31, 2002
Reanalysis low: 14°CDec 17, 2015
Daylight: 11 h 47 min to 11 h 47 min
Cloud cover: 47%
Humidity: 77%
Dew point: 21°C
Wind: 4.3 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	34°C 1992	20°C 2015	55%
Dec 2	31°C	22°C	34°C 2002	21°C 2011	53%
Dec 3	31°C	22°C	34°C 1997	20°C 2011	52%
Dec 4	31°C	22°C	34°C 1997	20°C 2011	50%
Dec 5	31°C	22°C	35°C 1997	19°C 2000	50%
Dec 6	31°C	22°C	34°C 1992	19°C 2015	50%
Dec 7	31°C	22°C	34°C 2006	20°C 2006	51%
Dec 8	31°C	22°C	34°C 2006	16°C 2013	51%
Dec 9	31°C	22°C	34°C 2006	15°C 2013	51%
Dec 10	31°C	22°C	34°C 2006	18°C 2013	48%
Dec 11	31°C	22°C	34°C 1994	19°C 2013	46%
Dec 12	31°C	21°C	35°C 2002	18°C 2010	44%
Dec 13	31°C	21°C	34°C 1994	18°C 1999	41%
Dec 14	31°C	21°C	35°C 2002	16°C 1999	39%
Dec 15	31°C	21°C	36°C 2002	16°C 2000	38%
Dec 16	31°C	21°C	35°C 2002	17°C 2015	36%
Dec 17	31°C	21°C	35°C 2002	14°C 2015	36%
Dec 18	31°C	21°C	35°C 2002	15°C 2015	36%
Dec 19	31°C	21°C	36°C 2002	15°C 2015	35%
Dec 20	31°C	21°C	34°C 2002	16°C 2015	32%
Dec 21	31°C	21°C	35°C 1994	16°C 1998	29%
Dec 22	31°C	21°C	34°C 1997	17°C 1998	26%
Dec 23	31°C	21°C	35°C 2002	16°C 2017	23%
Dec 24	31°C	21°C	35°C 2002	17°C 2017	21%
Dec 25	31°C	21°C	35°C 2002	16°C 2013	21%
Dec 26	31°C	21°C	35°C 1994	16°C 2018	21%
Dec 27	31°C	21°C	35°C 2002	15°C 2014	21%
Dec 28	31°C	21°C	35°C 2002	15°C 2014	20%
Dec 29	31°C	21°C	35°C 2002	15°C 2014	19%
Dec 30	31°C	20°C	36°C 2002	16°C 2014	20%
Dec 31	31°C	20°C	37°C 2002	15°C 2012	19%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

December 1: sunrise 6:23 AM, sunset 6:10 PM
December 31: sunrise 6:37 AM, sunset 6:24 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.