Boisar Weather in December

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

Average highs run from 34°C on December 1 to 33°C on December 31, and lows from 18°C to 16°C. Normal precipitation for the month is 3 mm over about 0 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: 33°C
Average low: 17°C
Precipitation: 3 mm
Reanalysis high: 38°CDec 15, 2002
Reanalysis low: 11°CDec 31, 1991
Daylight: 11 h 02 min to 10 h 58 min
Cloud cover: 28%
Humidity: 43%
Dew point: 9°C
Wind: 11.2 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	34°C	18°C	37°C 1992	15°C 1994	3%
Dec 2	34°C	18°C	37°C 2011	15°C 1994	3%
Dec 3	34°C	18°C	37°C 2011	15°C 1993	3%
Dec 4	34°C	18°C	37°C 2011	14°C 1996	3%
Dec 5	33°C	18°C	36°C 1991	14°C 1993	3%
Dec 6	33°C	18°C	37°C 2000	14°C 1996	3%
Dec 7	33°C	18°C	37°C 2000	15°C 2010	3%
Dec 8	33°C	18°C	37°C 2000	15°C 1999	3%
Dec 9	33°C	18°C	37°C 2002	15°C 2013	3%
Dec 10	33°C	18°C	37°C 2004	13°C 1997	2%
Dec 11	33°C	17°C	37°C 2004	13°C 1994	2%
Dec 12	33°C	17°C	36°C 2002	12°C 1994	2%
Dec 13	33°C	17°C	37°C 2002	12°C 2010	2%
Dec 14	33°C	17°C	37°C 2002	12°C 2010	2%
Dec 15	33°C	17°C	38°C 2002	11°C 2014	1%
Dec 16	33°C	17°C	38°C 2002	14°C 2014	1%
Dec 17	33°C	17°C	37°C 2004	13°C 2010	1%
Dec 18	33°C	17°C	36°C 1995	13°C 2010	1%
Dec 19	33°C	17°C	36°C 1995	13°C 2010	1%
Dec 20	33°C	17°C	37°C 2000	13°C 2010	1%
Dec 21	33°C	17°C	37°C 2007	13°C 2010	0%
Dec 22	33°C	17°C	38°C 2007	12°C 2005	0%
Dec 23	33°C	17°C	37°C 2007	12°C 2005	0%
Dec 24	33°C	17°C	36°C 2007	13°C 2010	1%
Dec 25	33°C	17°C	36°C 2000	13°C 2015	1%
Dec 26	33°C	16°C	36°C 2000	11°C 1991	1%
Dec 27	33°C	16°C	36°C 2015	12°C 1991	1%
Dec 28	33°C	16°C	38°C 2015	12°C 2003	1%
Dec 29	33°C	16°C	38°C 2015	13°C 2018	1%
Dec 30	33°C	16°C	37°C 2015	14°C 2007	1%
Dec 31	33°C	16°C	37°C 2015	11°C 1991	1%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+5:30).

December 1: sunrise 6:57 AM, sunset 5:59 PM
December 31: sunrise 7:13 AM, sunset 6:11 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.