Vakkam Weather in December

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

Average highs run from 29°C on December 1 to 29°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 62 mm over about 9 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: 29°C
Average low: 23°C
Precipitation: 62 mm
Reanalysis high: 33°CDec 27, 2016
Reanalysis low: 19°CDec 26, 1992
Daylight: 11 h 40 min to 11 h 38 min
Cloud cover: 65%
Humidity: 80%
Dew point: 22°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	29°C	24°C	29°C 2012	20°C 1991	43%
Dec 2	29°C	24°C	30°C 2016	21°C 1995	41%
Dec 3	29°C	24°C	30°C 2000	21°C 1994	39%
Dec 4	29°C	24°C	31°C 2016	20°C 1994	39%
Dec 5	29°C	23°C	32°C 2016	21°C 1991	38%
Dec 6	29°C	23°C	31°C 2016	20°C 1994	36%
Dec 7	29°C	23°C	31°C 2016	20°C 1994	35%
Dec 8	29°C	23°C	31°C 2016	20°C 1991	34%
Dec 9	29°C	23°C	30°C 2018	20°C 1991	32%
Dec 10	29°C	23°C	31°C 2012	20°C 2003	31%
Dec 11	29°C	23°C	30°C 2012	20°C 2001	30%
Dec 12	29°C	23°C	31°C 2012	20°C 2000	31%
Dec 13	29°C	23°C	31°C 2012	19°C 1994	29%
Dec 14	29°C	23°C	30°C 2012	19°C 1994	28%
Dec 15	29°C	23°C	31°C 2016	20°C 2000	26%
Dec 16	29°C	23°C	32°C 2016	20°C 2000	25%
Dec 17	29°C	23°C	32°C 2016	20°C 2004	24%
Dec 18	29°C	23°C	32°C 2016	20°C 2004	23%
Dec 19	29°C	23°C	32°C 2016	20°C 2004	21%
Dec 20	29°C	23°C	32°C 2016	20°C 1999	20%
Dec 21	29°C	23°C	32°C 2016	20°C 1996	19%
Dec 22	29°C	23°C	32°C 2016	20°C 2003	18%
Dec 23	29°C	23°C	31°C 2016	20°C 2008	18%
Dec 24	29°C	23°C	31°C 2016	20°C 1992	17%
Dec 25	29°C	23°C	31°C 2016	19°C 1992	16%
Dec 26	29°C	23°C	32°C 2016	19°C 1992	14%
Dec 27	29°C	23°C	33°C 2016	19°C 1992	12%
Dec 28	29°C	23°C	32°C 2016	19°C 2008	10%
Dec 29	29°C	23°C	32°C 2016	19°C 2008	10%
Dec 30	29°C	23°C	32°C 2016	19°C 1992	9%
Dec 31	29°C	23°C	32°C 2016	19°C 2008	9%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:22 AM, sunset 6:02 PM
December 31: sunrise 6:37 AM, sunset 6:15 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.