Rosso Weather in December

NASA POWER reanalysis for the half-degree grid cell around Rosso, 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 29°C on December 31, and lows from 20°C to 17°C. Normal precipitation for the month is 0 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: 29°C
Average low: 18°C
Precipitation: 0 mm
Reanalysis high: 37°CDec 3, 2016
Reanalysis low: 12°CDec 29, 2014
Daylight: 11 h 13 min to 11 h 10 min
Cloud cover: 48%
Humidity: 43%
Dew point: 9°C
Wind: 19.4 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	Reanalysis high	Reanalysis low	Chance wet
Dec 1	30°C	20°C	35°C 2016	15°C 1993	1%
Dec 2	30°C	20°C	36°C 2016	15°C 1993	1%
Dec 3	30°C	19°C	37°C 2016	15°C 1993	1%
Dec 4	30°C	19°C	35°C 2013	15°C 2007	1%
Dec 5	30°C	19°C	35°C 2016	14°C 2007	1%
Dec 6	30°C	19°C	35°C 2016	13°C 2007	1%
Dec 7	30°C	19°C	34°C 2016	14°C 2007	2%
Dec 8	30°C	19°C	34°C 2001	15°C 2012	1%
Dec 9	30°C	19°C	33°C 2016	15°C 1996	1%
Dec 10	30°C	19°C	33°C 2003	15°C 2007	1%
Dec 11	30°C	19°C	32°C 2001	15°C 2018	1%
Dec 12	30°C	19°C	34°C 2007	15°C 2018	1%
Dec 13	29°C	18°C	33°C 1991	16°C 1997	1%
Dec 14	29°C	18°C	33°C 2019	14°C 2017	1%
Dec 15	29°C	18°C	33°C 2002	14°C 2017	1%
Dec 16	29°C	18°C	34°C 2002	14°C 2012	1%
Dec 17	29°C	18°C	36°C 2002	14°C 2012	1%
Dec 18	29°C	18°C	36°C 2002	14°C 2008	1%
Dec 19	29°C	18°C	35°C 2002	15°C 2020	1%
Dec 20	29°C	18°C	33°C 2001	12°C 1999	1%
Dec 21	29°C	18°C	34°C 2001	14°C 1999	1%
Dec 22	29°C	18°C	35°C 2001	13°C 2017	0%
Dec 23	29°C	18°C	33°C 2001	14°C 2011	0%
Dec 24	29°C	18°C	33°C 2007	14°C 2013	0%
Dec 25	29°C	18°C	35°C 2001	14°C 2017	0%
Dec 26	29°C	18°C	36°C 2001	14°C 1991	0%
Dec 27	29°C	17°C	34°C 2001	15°C 1991	0%
Dec 28	29°C	17°C	33°C 2009	14°C 2014	0%
Dec 29	29°C	17°C	34°C 2001	12°C 2014	0%
Dec 30	29°C	17°C	34°C 2008	13°C 2014	0%
Dec 31	29°C	17°C	32°C 2009	14°C 1998	0%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

December 1: sunrise 7:16 AM, sunset 6:29 PM
December 31: sunrise 7:31 AM, sunset 6:41 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.