Puerto Santander Weather in December

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

Average highs run from 32°C on December 1 to 34°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 74 mm over about 12 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: 33°C
Average low: 23°C
Precipitation: 74 mm
Record high: 37°CDec 20, 1968
Record low: 16°CDec 31, 1964
Daylight: 11 h 40 min to 11 h 39 min
Cloud cover: 64%
Humidity: 71%
Dew point: 21°C
Wind: 2.9 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	32°C	24°C	35°C 1969	19°C 1975	46%
Dec 2	32°C	24°C	35°C 1967	20°C 2022	45%
Dec 3	32°C	24°C	36°C 1997	18°C 1984	45%
Dec 4	32°C	24°C	33°C 2014	19°C 1973	44%
Dec 5	32°C	24°C	36°C 1966	17°C 1964	44%
Dec 6	32°C	24°C	35°C 1997	18°C 1966	44%
Dec 7	32°C	24°C	33°C 2002	20°C 2022	43%
Dec 8	32°C	24°C	33°C 1991	20°C 2022	41%
Dec 9	32°C	24°C	34°C 2012	20°C 1974	39%
Dec 10	32°C	23°C	34°C 2012	20°C 1974	39%
Dec 11	33°C	23°C	33°C 2012	20°C 1973	38%
Dec 12	33°C	23°C	34°C 1997	19°C 1966	38%
Dec 13	33°C	23°C	35°C 1997	20°C 1973	38%
Dec 14	33°C	23°C	35°C 1967	19°C 1978	37%
Dec 15	33°C	23°C	35°C 1997	18°C 1979	36%
Dec 16	33°C	23°C	34°C 1997	19°C 1965	36%
Dec 17	33°C	23°C	34°C 1997	18°C 1966	34%
Dec 18	33°C	23°C	34°C 1997	20°C 1976	33%
Dec 19	33°C	23°C	33°C 1977	18°C 1974	33%
Dec 20	33°C	23°C	37°C 1968	19°C 1973	32%
Dec 21	33°C	23°C	34°C 2001	19°C 2010	30%
Dec 22	33°C	23°C	35°C 1997	20°C 1974	30%
Dec 23	33°C	23°C	36°C 1997	20°C 1975	30%
Dec 24	33°C	23°C	36°C 1997	19°C 1978	31%
Dec 25	34°C	23°C	34°C 2001	20°C 2022	32%
Dec 26	34°C	23°C	36°C 1997	18°C 1994	31%
Dec 27	34°C	23°C	36°C 1997	20°C 1985	29%
Dec 28	34°C	23°C	37°C 1997	19°C 1967	28%
Dec 29	34°C	23°C	36°C 1965	20°C 1975	29%
Dec 30	34°C	23°C	35°C 1966	18°C 1968	28%
Dec 31	34°C	23°C	33°C 2012	16°C 1964	26%

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 5:29 PM
December 31: sunrise 6:03 AM, sunset 5:42 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station COM00080097, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.