Guasca Weather in December

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

Average highs run from 18°C on December 1 to 18°C on December 31, and lows from 11°C to 10°C. Normal precipitation for the month is 102 mm over about 19 wet days.

December day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 18°C
Average low: 10°C
Precipitation: 102 mm
Record high: 27°CDec 6, 2019
Record low: -6°CDec 24, 1974
Daylight: 11 h 51 min to 11 h 51 min
Cloud cover: 68%
Humidity: 88%
Dew point: 11°C
Wind: 5.4 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	Record high	Record low	Chance wet
Dec 1	18°C	11°C	23°C 2019	0°C 1977	70%
Dec 2	18°C	11°C	22°C 1997	1°C 1963	68%
Dec 3	18°C	11°C	23°C 1997	0°C 1998	67%
Dec 4	18°C	11°C	22°C 1961	0°C 1965	66%
Dec 5	18°C	10°C	22°C 1961	1°C 1984	66%
Dec 6	18°C	10°C	27°C 2019	0°C 1998	66%
Dec 7	18°C	10°C	22°C 1965	1°C 1984	66%
Dec 8	18°C	10°C	22°C 2003	0°C 1989	65%
Dec 9	18°C	10°C	22°C 1997	0°C 1997	64%
Dec 10	18°C	10°C	23°C 1997	0°C 1979	63%
Dec 11	18°C	10°C	22°C 1991	0°C 1978	62%
Dec 12	18°C	10°C	23°C 1994	0°C 1984	62%
Dec 13	18°C	10°C	23°C 2015	1°C 2000	61%
Dec 14	18°C	10°C	22°C 1997	-2°C 1963	59%
Dec 15	18°C	10°C	22°C 2021	0°C 1963	58%
Dec 16	18°C	10°C	23°C 1994	-1°C 1985	56%
Dec 17	18°C	10°C	26°C 1961	-2°C 1987	54%
Dec 18	18°C	10°C	22°C 1961	-4°C 1985	56%
Dec 19	18°C	10°C	23°C 1962	-3°C 1985	56%
Dec 20	18°C	10°C	23°C 1965	0°C 1964	53%
Dec 21	18°C	10°C	24°C 1997	0°C 1964	51%
Dec 22	18°C	10°C	23°C 1993	0°C 1964	49%
Dec 23	18°C	10°C	22°C 1993	-1°C 1974	47%
Dec 24	18°C	10°C	22°C 1997	-6°C 1974	46%
Dec 25	18°C	10°C	23°C 2018	-1°C 1987	44%
Dec 26	18°C	10°C	23°C 1997	-3°C 1986	42%
Dec 27	18°C	10°C	23°C 1997	-2°C 1986	40%
Dec 28	18°C	10°C	23°C 1997	-2°C 1972	39%
Dec 29	18°C	10°C	23°C 1997	0°C 1978	40%
Dec 30	18°C	10°C	23°C 1994	-3°C 1968	40%
Dec 31	18°C	10°C	24°C 1997	-2°C 1993	40%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

December 1: sunrise 5:49 AM, sunset 5:40 PM
December 31: sunrise 6:03 AM, sunset 5:54 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CO000080222, every year on file, quality-flagged values removed. 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.