Belterra Weather in December

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

Average highs run from 33°C on December 1 to 31°C on December 31, and lows from 27°C to 26°C. Normal precipitation for the month is 109 mm over about 16 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: 32°C
Average low: 26°C
Precipitation: 109 mm
Reanalysis high: 37°CDec 7, 2017
Reanalysis low: 23°CDec 18, 2010
Daylight: 12 h 16 min to 12 h 16 min
Cloud cover: 75%
Humidity: 70%
Dew point: 23°C
Wind: 7.2 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	33°C	27°C	36°C 1997	24°C 1994	38%
Dec 2	33°C	27°C	37°C 2015	24°C 1996	38%
Dec 3	33°C	27°C	36°C 2015	24°C 2007	40%
Dec 4	33°C	27°C	36°C 1997	24°C 2018	41%
Dec 5	33°C	27°C	36°C 1991	24°C 2018	42%
Dec 6	33°C	27°C	36°C 2017	25°C 2018	42%
Dec 7	33°C	27°C	37°C 2017	25°C 2018	42%
Dec 8	32°C	27°C	36°C 1991	25°C 2005	43%
Dec 9	32°C	27°C	36°C 1997	24°C 2005	43%
Dec 10	32°C	27°C	36°C 1997	24°C 2002	44%
Dec 11	32°C	27°C	36°C 2015	25°C 2018	46%
Dec 12	32°C	27°C	36°C 1991	25°C 2018	48%
Dec 13	32°C	27°C	36°C 1991	25°C 2018	50%
Dec 14	32°C	26°C	36°C 2015	24°C 2018	52%
Dec 15	32°C	26°C	36°C 2015	24°C 2005	53%
Dec 16	32°C	26°C	35°C 1997	24°C 2005	54%
Dec 17	32°C	26°C	35°C 2001	24°C 2016	56%
Dec 18	32°C	26°C	35°C 1991	23°C 2010	58%
Dec 19	31°C	26°C	35°C 1991	24°C 2010	60%
Dec 20	31°C	26°C	35°C 2001	24°C 2016	61%
Dec 21	31°C	26°C	35°C 2001	24°C 2010	62%
Dec 22	31°C	26°C	35°C 2001	25°C 1999	62%
Dec 23	31°C	26°C	35°C 1997	24°C 2018	63%
Dec 24	31°C	26°C	35°C 1997	24°C 1999	65%
Dec 25	31°C	26°C	35°C 2015	24°C 2018	67%
Dec 26	31°C	26°C	35°C 2001	24°C 2008	67%
Dec 27	31°C	26°C	35°C 2015	24°C 1994	67%
Dec 28	31°C	26°C	35°C 2001	24°C 2005	68%
Dec 29	31°C	26°C	35°C 1997	24°C 2020	68%
Dec 30	31°C	26°C	35°C 2015	24°C 2007	68%
Dec 31	31°C	26°C	35°C 2003	24°C 2005	69%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:21 AM, sunset 6:37 PM
December 31: sunrise 6:35 AM, sunset 6:51 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.