Darien Weather in December

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

Average highs run from 22°C on December 1 to 23°C on December 31, and lows from 15°C to 15°C. Normal precipitation for the month is 124 mm over about 22 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: 22°C
Average low: 15°C
Precipitation: 124 mm
Record high: 36°CDec 25, 1963
Record low: 15°CDec 2, 1966
Daylight: 11 h 54 min to 11 h 54 min
Cloud cover: 82%
Humidity: 88%
Dew point: 16°C
Wind: 5.8 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	22°C	15°C	33°C 1963	16°C 1997	75%
Dec 2	22°C	15°C	34°C 1961	15°C 1966	74%
Dec 3	22°C	15°C	35°C 1963	17°C 1975	72%
Dec 4	22°C	15°C	35°C 1961	16°C 1975	71%
Dec 5	22°C	15°C	33°C 2019	16°C 2007	70%
Dec 6	22°C	15°C	34°C 1962	17°C 2022	71%
Dec 7	22°C	15°C	34°C 1962	17°C 1964	72%
Dec 8	22°C	15°C	34°C 1963	17°C 1973	72%
Dec 9	22°C	15°C	34°C 1962	16°C 1965	72%
Dec 10	22°C	15°C	33°C 1963	16°C 1973	71%
Dec 11	22°C	15°C	35°C 1963	17°C 1961	72%
Dec 12	22°C	15°C	33°C 1962	16°C 1965	71%
Dec 13	22°C	15°C	35°C 1963	15°C 1990	70%
Dec 14	22°C	15°C	33°C 1961	17°C 1980	69%
Dec 15	22°C	15°C	35°C 1963	17°C 1988	68%
Dec 16	22°C	15°C	34°C 1963	17°C 1974	67%
Dec 17	22°C	15°C	34°C 1961	16°C 1989	67%
Dec 18	22°C	15°C	33°C 1962	15°C 1963	68%
Dec 19	22°C	15°C	34°C 1961	15°C 1991	68%
Dec 20	22°C	15°C	35°C 1963	17°C 1995	68%
Dec 21	22°C	15°C	34°C 1963	15°C 1973	66%
Dec 22	22°C	15°C	35°C 1963	17°C 1979	64%
Dec 23	23°C	15°C	35°C 1963	17°C 1973	63%
Dec 24	23°C	15°C	34°C 1961	17°C 1964	61%
Dec 25	23°C	15°C	36°C 1963	16°C 1967	59%
Dec 26	23°C	15°C	33°C 2019	16°C 1961	57%
Dec 27	23°C	15°C	35°C 1963	17°C 1999	58%
Dec 28	23°C	15°C	35°C 1961	16°C 1965	56%
Dec 29	23°C	15°C	35°C 1961	15°C 2004	57%
Dec 30	23°C	15°C	34°C 2019	15°C 1991	56%
Dec 31	23°C	15°C	33°C 1961	16°C 1991	57%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:58 AM, sunset 5:52 PM
December 31: sunrise 6:12 AM, sunset 6:06 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CO000080259, 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.