Comalapa Weather in December

NASA POWER reanalysis for the half-degree grid cell around Comalapa, 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 27°C on December 31, and lows from 17°C to 16°C. Normal precipitation for the month is 12 mm over about 3 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: 16°C
Precipitation: 12 mm
Reanalysis high: 32°CDec 14, 1994
Reanalysis low: 11°CDec 23, 2010
Daylight: 11 h 19 min to 11 h 16 min
Cloud cover: 36%
Humidity: 78%
Dew point: 16°C
Wind: 7.6 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	17°C	30°C 1994	13°C 1999	16%
Dec 2	27°C	17°C	29°C 1994	12°C 1999	15%
Dec 3	27°C	17°C	30°C 2009	12°C 1999	13%
Dec 4	27°C	16°C	30°C 1994	13°C 2011	12%
Dec 5	27°C	16°C	30°C 1994	14°C 1996	11%
Dec 6	27°C	16°C	32°C 1994	13°C 1996	10%
Dec 7	27°C	16°C	32°C 1994	13°C 1996	10%
Dec 8	27°C	16°C	31°C 1994	14°C 2003	10%
Dec 9	27°C	16°C	32°C 1994	13°C 2010	10%
Dec 10	27°C	16°C	30°C 1994	11°C 2010	9%
Dec 11	27°C	16°C	30°C 2009	12°C 2017	9%
Dec 12	27°C	16°C	32°C 1994	13°C 2017	9%
Dec 13	27°C	16°C	31°C 1994	12°C 2010	9%
Dec 14	27°C	16°C	32°C 1994	11°C 2010	9%
Dec 15	27°C	16°C	32°C 1994	13°C 2010	9%
Dec 16	27°C	16°C	31°C 1994	13°C 2010	8%
Dec 17	27°C	16°C	32°C 1994	13°C 2010	8%
Dec 18	27°C	16°C	30°C 1994	12°C 2010	7%
Dec 19	27°C	16°C	30°C 2016	13°C 1993	7%
Dec 20	27°C	16°C	30°C 2015	13°C 1992	7%
Dec 21	27°C	16°C	31°C 1994	12°C 2010	7%
Dec 22	27°C	16°C	31°C 1994	12°C 2010	7%
Dec 23	27°C	16°C	30°C 1994	11°C 2010	7%
Dec 24	27°C	16°C	29°C 2015	13°C 2010	6%
Dec 25	27°C	16°C	30°C 1997	14°C 1991	6%
Dec 26	27°C	16°C	30°C 1997	13°C 1999	6%
Dec 27	27°C	16°C	30°C 1997	12°C 1999	6%
Dec 28	27°C	16°C	30°C 2012	12°C 2004	6%
Dec 29	27°C	16°C	30°C 2012	11°C 1999	5%
Dec 30	27°C	16°C	30°C 2009	11°C 1999	6%
Dec 31	27°C	16°C	30°C 2009	12°C 1999	6%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 6:13 AM, sunset 5:32 PM
December 31: sunrise 6:29 AM, sunset 5:45 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.