Chepén Weather in December

NASA POWER reanalysis for the half-degree grid cell around Chepén, 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 28°C on December 31, and lows from 17°C to 18°C. Normal precipitation for the month is 22 mm over about 6 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: 17°C
Precipitation: 22 mm
Reanalysis high: 32°CDec 23, 1997
Reanalysis low: 14°CDec 5, 1992
Daylight: 12 h 31 min to 12 h 32 min
Cloud cover: 64%
Humidity: 70%
Dew point: 15°C
Wind: 11.5 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 1997	14°C 1998	23%
Dec 2	27°C	17°C	30°C 2002	15°C 2001	23%
Dec 3	27°C	17°C	30°C 2015	15°C 1992	22%
Dec 4	27°C	17°C	30°C 1997	14°C 1996	21%
Dec 5	27°C	17°C	31°C 1997	14°C 1992	20%
Dec 6	27°C	17°C	31°C 1997	14°C 1992	20%
Dec 7	27°C	17°C	31°C 1997	15°C 1992	20%
Dec 8	27°C	17°C	30°C 1997	15°C 2007	21%
Dec 9	27°C	17°C	29°C 2012	15°C 1996	20%
Dec 10	27°C	17°C	31°C 2015	15°C 1995	21%
Dec 11	27°C	17°C	30°C 2015	14°C 1995	20%
Dec 12	27°C	17°C	30°C 2015	14°C 1995	20%
Dec 13	27°C	17°C	30°C 2015	14°C 1995	21%
Dec 14	27°C	17°C	30°C 1997	15°C 1995	20%
Dec 15	27°C	17°C	29°C 2018	16°C 1995	20%
Dec 16	27°C	17°C	30°C 2015	15°C 2000	20%
Dec 17	27°C	17°C	30°C 2015	16°C 2008	21%
Dec 18	27°C	18°C	30°C 1996	15°C 2008	22%
Dec 19	27°C	18°C	31°C 2015	15°C 2008	23%
Dec 20	27°C	18°C	30°C 2015	15°C 2007	25%
Dec 21	27°C	18°C	31°C 1997	15°C 2007	26%
Dec 22	27°C	18°C	31°C 1997	16°C 2008	27%
Dec 23	27°C	18°C	32°C 1997	16°C 1998	27%
Dec 24	28°C	18°C	31°C 1997	16°C 1999	27%
Dec 25	28°C	18°C	31°C 1997	16°C 1999	26%
Dec 26	28°C	18°C	30°C 1997	16°C 2008	26%
Dec 27	28°C	18°C	31°C 2013	15°C 1999	24%
Dec 28	28°C	18°C	30°C 2013	16°C 2008	24%
Dec 29	28°C	18°C	31°C 2015	16°C 2008	24%
Dec 30	28°C	18°C	31°C 2015	16°C 1999	24%
Dec 31	28°C	18°C	31°C 2015	16°C 1996	25%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:51 AM, sunset 6:22 PM
December 31: sunrise 6:05 AM, sunset 6:37 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.