Ambalavao Weather in December

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

Average highs run from 27°C on December 1 to 26°C on December 31, and lows from 16°C to 17°C. Normal precipitation for the month is 260 mm over about 25 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: 17°C
Precipitation: 260 mm
Reanalysis high: 33°CDec 9, 2019
Reanalysis low: 10°CDec 7, 1991
Daylight: 13 h 22 min to 13 h 27 min
Cloud cover: 73%
Humidity: 82%
Dew point: 18°C
Wind: 11.5 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	27°C	16°C	31°C 2020	12°C 1992	76%
Dec 2	27°C	16°C	32°C 2020	13°C 2018	76%
Dec 3	27°C	16°C	31°C 2019	14°C 2014	76%
Dec 4	27°C	16°C	33°C 2019	12°C 2014	76%
Dec 5	27°C	17°C	31°C 2016	12°C 1992	78%
Dec 6	27°C	17°C	30°C 2018	12°C 1991	79%
Dec 7	27°C	17°C	32°C 2019	10°C 1991	80%
Dec 8	27°C	17°C	32°C 2019	11°C 1991	80%
Dec 9	27°C	17°C	33°C 2019	13°C 1991	81%
Dec 10	27°C	17°C	31°C 2016	14°C 1993	82%
Dec 11	27°C	17°C	31°C 2016	14°C 1994	82%
Dec 12	27°C	17°C	31°C 2016	15°C 1992	83%
Dec 13	27°C	17°C	31°C 2016	14°C 1992	83%
Dec 14	27°C	17°C	31°C 2016	14°C 2012	84%
Dec 15	26°C	17°C	31°C 2016	13°C 1997	85%
Dec 16	27°C	17°C	29°C 2020	14°C 1994	85%
Dec 17	27°C	17°C	30°C 2020	15°C 1997	86%
Dec 18	27°C	17°C	31°C 2020	14°C 1992	86%
Dec 19	27°C	17°C	29°C 2017	13°C 1992	85%
Dec 20	26°C	17°C	29°C 2016	14°C 2011	84%
Dec 21	26°C	17°C	30°C 2016	14°C 1991	84%
Dec 22	27°C	17°C	30°C 2016	14°C 1991	83%
Dec 23	27°C	17°C	30°C 2016	14°C 2013	83%
Dec 24	27°C	17°C	31°C 2016	15°C 2013	83%
Dec 25	27°C	17°C	32°C 2016	15°C 1995	83%
Dec 26	26°C	17°C	30°C 2018	15°C 2009	83%
Dec 27	26°C	17°C	31°C 2018	14°C 1991	83%
Dec 28	26°C	17°C	31°C 2018	15°C 2014	84%
Dec 29	26°C	17°C	32°C 2016	16°C 1993	84%
Dec 30	26°C	17°C	33°C 2016	15°C 2013	84%
Dec 31	26°C	17°C	30°C 2008	15°C 2009	85%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:00 AM, sunset 6:22 PM
December 31: sunrise 5:12 AM, sunset 6:39 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.