Belén Weather in December

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

Average highs run from 26°C on December 1 to 27°C on December 31, and lows from 12°C to 14°C. Normal precipitation for the month is 81 mm over about 12 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: 26°C
Average low: 13°C
Precipitation: 81 mm
Reanalysis high: 35°CDec 31, 1994
Reanalysis low: 4°CDec 13, 2010
Daylight: 13 h 46 min to 13 h 52 min
Cloud cover: 49%
Humidity: 55%
Dew point: 9°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	26°C	12°C	32°C 1994	8°C 2014	37%
Dec 2	26°C	12°C	32°C 1994	6°C 2014	37%
Dec 3	26°C	12°C	34°C 1993	7°C 2001	36%
Dec 4	26°C	12°C	32°C 2013	7°C 2001	36%
Dec 5	26°C	12°C	32°C 2014	7°C 2020	36%
Dec 6	26°C	12°C	34°C 2014	5°C 1999	35%
Dec 7	26°C	12°C	31°C 1994	7°C 1999	34%
Dec 8	26°C	12°C	31°C 2013	7°C 2011	34%
Dec 9	26°C	13°C	31°C 2012	9°C 2002	34%
Dec 10	26°C	13°C	34°C 2020	7°C 1996	34%
Dec 11	26°C	13°C	32°C 1994	8°C 1996	33%
Dec 12	26°C	13°C	33°C 1997	5°C 2010	33%
Dec 13	26°C	13°C	33°C 2018	4°C 2010	33%
Dec 14	26°C	13°C	31°C 2012	9°C 1991	32%
Dec 15	27°C	13°C	30°C 1998	8°C 1991	31%
Dec 16	27°C	13°C	33°C 2017	8°C 2007	31%
Dec 17	27°C	13°C	32°C 1995	10°C 2003	32%
Dec 18	27°C	13°C	32°C 1995	10°C 2015	33%
Dec 19	27°C	13°C	33°C 1995	8°C 2015	33%
Dec 20	27°C	14°C	35°C 1995	9°C 2015	33%
Dec 21	27°C	14°C	35°C 2003	9°C 2014	35%
Dec 22	27°C	14°C	34°C 1992	6°C 2014	36%
Dec 23	27°C	14°C	32°C 1993	7°C 2014	37%
Dec 24	27°C	14°C	35°C 2019	9°C 2002	38%
Dec 25	27°C	14°C	32°C 2016	9°C 2011	40%
Dec 26	27°C	14°C	34°C 1997	11°C 2012	40%
Dec 27	27°C	14°C	32°C 1998	8°C 2016	40%
Dec 28	27°C	14°C	32°C 2013	10°C 2007	41%
Dec 29	27°C	14°C	33°C 2018	9°C 2003	43%
Dec 30	27°C	14°C	32°C 1994	11°C 2010	43%
Dec 31	27°C	14°C	35°C 1994	11°C 2010	43%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:24 AM, sunset 8:10 PM
December 31: sunrise 6:35 AM, sunset 8:27 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.