Alenquer Weather in December

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

Average highs run from 34°C on December 1 to 32°C on December 31, and lows from 27°C to 26°C. Normal precipitation for the month is 105 mm over about 16 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: 33°C
Average low: 26°C
Precipitation: 105 mm
Reanalysis high: 38°CDec 7, 2017
Reanalysis low: 23°CDec 19, 2017
Daylight: 12 h 14 min to 12 h 14 min
Cloud cover: 74%
Humidity: 68%
Dew point: 22°C
Wind: 6.8 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	Reanalysis high	Reanalysis low	Chance wet
Dec 1	34°C	27°C	37°C 1997	24°C 1994	33%
Dec 2	34°C	27°C	38°C 2015	24°C 1996	34%
Dec 3	34°C	27°C	38°C 2014	24°C 2007	36%
Dec 4	34°C	27°C	37°C 2014	25°C 2008	37%
Dec 5	34°C	27°C	37°C 2015	24°C 2018	37%
Dec 6	34°C	27°C	37°C 2017	24°C 2018	37%
Dec 7	34°C	27°C	38°C 2017	24°C 2018	37%
Dec 8	34°C	27°C	37°C 1991	25°C 2007	38%
Dec 9	34°C	26°C	37°C 1997	25°C 2007	40%
Dec 10	34°C	26°C	37°C 1997	25°C 2020	41%
Dec 11	34°C	26°C	37°C 2015	24°C 2018	43%
Dec 12	33°C	26°C	37°C 2004	24°C 2018	45%
Dec 13	33°C	26°C	37°C 2004	24°C 2018	47%
Dec 14	33°C	26°C	37°C 2015	24°C 2018	49%
Dec 15	33°C	26°C	37°C 1997	24°C 2005	50%
Dec 16	33°C	26°C	37°C 1997	23°C 2005	51%
Dec 17	33°C	26°C	37°C 2013	24°C 2010	52%
Dec 18	33°C	26°C	37°C 1999	23°C 2010	53%
Dec 19	33°C	26°C	36°C 1999	23°C 2017	55%
Dec 20	32°C	26°C	37°C 2001	24°C 2016	57%
Dec 21	32°C	26°C	37°C 2015	24°C 1998	59%
Dec 22	32°C	26°C	36°C 2001	24°C 1999	59%
Dec 23	32°C	26°C	35°C 2015	24°C 1999	60%
Dec 24	32°C	26°C	36°C 1997	24°C 1999	61%
Dec 25	32°C	26°C	36°C 2015	24°C 2008	62%
Dec 26	32°C	26°C	36°C 2001	23°C 2008	62%
Dec 27	32°C	26°C	37°C 1997	24°C 1993	61%
Dec 28	32°C	26°C	36°C 2001	24°C 1993	62%
Dec 29	32°C	26°C	36°C 1997	24°C 2008	64%
Dec 30	32°C	26°C	36°C 2014	24°C 2005	64%
Dec 31	32°C	26°C	36°C 2003	24°C 2005	65%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

December 1: sunrise 6:21 AM, sunset 6:35 PM
December 31: sunrise 6:35 AM, sunset 6:49 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.