Rio Preto da Eva Weather in December

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

Average highs run from 31°C on December 1 to 29°C on December 31, and lows from 24°C to 23°C. Normal precipitation for the month is 195 mm over about 25 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: 30°C
Average low: 23°C
Precipitation: 195 mm
Reanalysis high: 40°CDec 14, 2015
Reanalysis low: 21°CDec 5, 2007
Daylight: 12 h 16 min to 12 h 16 min
Cloud cover: 80%
Humidity: 87%
Dew point: 24°C
Wind: 2.5 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	31°C	24°C	39°C 2015	22°C 1994	63%
Dec 2	31°C	24°C	39°C 2015	23°C 1994	65%
Dec 3	31°C	24°C	36°C 2009	22°C 1996	67%
Dec 4	31°C	24°C	37°C 2009	22°C 2007	67%
Dec 5	31°C	24°C	37°C 2017	21°C 2007	68%
Dec 6	31°C	24°C	36°C 1991	21°C 1996	68%
Dec 7	31°C	24°C	37°C 2015	22°C 2018	71%
Dec 8	30°C	24°C	38°C 2015	22°C 2006	72%
Dec 9	30°C	24°C	38°C 2015	22°C 1996	73%
Dec 10	30°C	24°C	38°C 2015	22°C 2008	74%
Dec 11	30°C	24°C	37°C 2015	22°C 2007	75%
Dec 12	30°C	24°C	38°C 2015	22°C 2014	76%
Dec 13	30°C	24°C	39°C 2015	22°C 1994	78%
Dec 14	30°C	23°C	40°C 2015	21°C 2009	79%
Dec 15	30°C	23°C	38°C 2015	22°C 2018	80%
Dec 16	30°C	23°C	34°C 2015	22°C 2020	82%
Dec 17	30°C	23°C	36°C 2015	22°C 2018	83%
Dec 18	29°C	23°C	39°C 2015	22°C 2010	82%
Dec 19	29°C	23°C	38°C 2015	22°C 2000	83%
Dec 20	29°C	23°C	37°C 2015	22°C 1993	84%
Dec 21	29°C	23°C	33°C 1991	22°C 2006	85%
Dec 22	29°C	23°C	33°C 1991	22°C 2010	85%
Dec 23	29°C	23°C	36°C 2015	22°C 1998	86%
Dec 24	29°C	23°C	37°C 2015	21°C 1998	86%
Dec 25	29°C	23°C	36°C 2015	22°C 1998	86%
Dec 26	29°C	23°C	38°C 2015	22°C 2010	85%
Dec 27	29°C	23°C	38°C 2015	22°C 2004	85%
Dec 28	29°C	23°C	37°C 2015	21°C 2005	86%
Dec 29	29°C	23°C	36°C 2015	21°C 2010	86%
Dec 30	29°C	23°C	37°C 2015	22°C 1996	86%
Dec 31	29°C	23°C	38°C 2015	22°C 2020	86%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:40 AM, sunset 5:56 PM
December 31: sunrise 5:54 AM, sunset 6:10 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.