Anastácio Weather in December

NASA POWER reanalysis for the half-degree grid cell around Anastácio, 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 33°C on December 31, and lows from 23°C to 23°C. Normal precipitation for the month is 162 mm over about 19 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: 34°C
Average low: 23°C
Precipitation: 162 mm
Reanalysis high: 41°CDec 20, 2020
Reanalysis low: 12°CDec 1, 2001
Daylight: 13 h 17 min to 13 h 21 min
Cloud cover: 68%
Humidity: 71%
Dew point: 22°C
Wind: 9.4 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	23°C	39°C 1999	12°C 2001	59%
Dec 2	34°C	23°C	40°C 2020	13°C 2001	60%
Dec 3	34°C	23°C	39°C 1993	17°C 2018	60%
Dec 4	34°C	23°C	40°C 1999	17°C 2008	59%
Dec 5	34°C	23°C	41°C 2010	17°C 2008	59%
Dec 6	34°C	23°C	40°C 2010	17°C 2000	58%
Dec 7	34°C	23°C	41°C 2008	18°C 2000	57%
Dec 8	34°C	23°C	40°C 2010	19°C 2005	57%
Dec 9	34°C	23°C	38°C 2018	17°C 2003	56%
Dec 10	33°C	23°C	40°C 2012	18°C 2003	58%
Dec 11	34°C	23°C	38°C 2010	20°C 2004	56%
Dec 12	34°C	23°C	38°C 2011	19°C 2004	55%
Dec 13	34°C	23°C	37°C 1993	16°C 2010	55%
Dec 14	34°C	23°C	37°C 2004	14°C 2010	56%
Dec 15	34°C	23°C	38°C 2004	15°C 2010	56%
Dec 16	33°C	23°C	39°C 1996	16°C 2000	54%
Dec 17	34°C	23°C	39°C 1996	13°C 2000	54%
Dec 18	34°C	23°C	39°C 2020	16°C 2000	54%
Dec 19	34°C	23°C	40°C 2020	17°C 1998	55%
Dec 20	34°C	23°C	41°C 2020	20°C 2000	56%
Dec 21	34°C	23°C	38°C 1999	19°C 2007	57%
Dec 22	34°C	23°C	39°C 2011	19°C 2007	59%
Dec 23	34°C	23°C	39°C 2011	19°C 1998	61%
Dec 24	34°C	23°C	39°C 2008	18°C 1998	63%
Dec 25	34°C	24°C	39°C 2020	21°C 2004	64%
Dec 26	33°C	24°C	39°C 2020	22°C 2004	66%
Dec 27	33°C	24°C	39°C 2011	21°C 1995	67%
Dec 28	33°C	23°C	39°C 2008	20°C 2004	66%
Dec 29	33°C	23°C	40°C 2008	20°C 1995	65%
Dec 30	33°C	23°C	37°C 2010	19°C 1993	64%
Dec 31	33°C	23°C	38°C 2002	16°C 1993	64%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

December 1: sunrise 4:54 AM, sunset 6:11 PM
December 31: sunrise 5:06 AM, sunset 6:27 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.