Cañas Weather in December

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

Average highs run from 28°C on December 1 to 29°C on December 31, and lows from 21°C to 21°C. Normal precipitation for the month is 22 mm over about 5 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: 29°C
Average low: 21°C
Precipitation: 22 mm
Reanalysis high: 34°CDec 24, 2009
Reanalysis low: 16°CDec 31, 1999
Daylight: 11 h 33 min to 11 h 31 min
Cloud cover: 65%
Humidity: 82%
Dew point: 20°C
Wind: 14.0 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	28°C	21°C	33°C 1991	18°C 2001	24%
Dec 2	28°C	21°C	33°C 1993	19°C 2011	24%
Dec 3	28°C	21°C	32°C 1993	18°C 2001	22%
Dec 4	28°C	21°C	31°C 1994	18°C 2001	22%
Dec 5	28°C	21°C	32°C 1993	18°C 1995	21%
Dec 6	28°C	21°C	32°C 1994	19°C 2005	20%
Dec 7	28°C	21°C	31°C 1994	18°C 2010	21%
Dec 8	28°C	21°C	31°C 1991	19°C 2010	20%
Dec 9	28°C	21°C	32°C 1993	19°C 2014	18%
Dec 10	28°C	21°C	32°C 2009	18°C 2010	18%
Dec 11	28°C	21°C	32°C 1994	18°C 2010	18%
Dec 12	28°C	21°C	31°C 1994	18°C 2017	17%
Dec 13	28°C	21°C	33°C 1993	18°C 2017	17%
Dec 14	28°C	21°C	33°C 1993	18°C 2010	17%
Dec 15	29°C	21°C	33°C 1992	16°C 2010	17%
Dec 16	29°C	21°C	32°C 1994	18°C 1997	17%
Dec 17	29°C	21°C	32°C 2009	17°C 2010	16%
Dec 18	29°C	21°C	31°C 1994	17°C 2010	17%
Dec 19	29°C	21°C	32°C 1994	18°C 2010	16%
Dec 20	29°C	21°C	32°C 1993	18°C 2008	15%
Dec 21	29°C	21°C	33°C 1994	17°C 2008	14%
Dec 22	29°C	21°C	33°C 1993	19°C 2014	13%
Dec 23	29°C	21°C	33°C 1993	18°C 2010	13%
Dec 24	29°C	21°C	34°C 2009	19°C 2010	13%
Dec 25	29°C	21°C	34°C 2009	17°C 1991	12%
Dec 26	29°C	21°C	33°C 2009	19°C 2013	12%
Dec 27	29°C	21°C	33°C 2009	18°C 1999	12%
Dec 28	29°C	21°C	32°C 2001	17°C 1999	12%
Dec 29	29°C	21°C	33°C 2001	18°C 1999	11%
Dec 30	29°C	21°C	32°C 1994	18°C 1999	11%
Dec 31	29°C	21°C	31°C 1994	16°C 1999	11%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 5:43 AM, sunset 5:16 PM
December 31: sunrise 5:58 AM, sunset 5:29 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.