Campo Bom Weather in December

NASA POWER reanalysis for the half-degree grid cell around Campo Bom, 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 29°C on December 31, and lows from 16°C to 18°C. Normal precipitation for the month is 127 mm over about 16 wet days.

December day by day

The normal high and low for each date, and the record, in °C.

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 28°C
Average low: 17°C
Precipitation: 127 mm
Record high: 40°CDec 12, 1994
Record low: 11°CDec 7, 1982
Daylight: 13 h 55 min to 14 h 01 min
Cloud cover: 62%
Humidity: 76%
Dew point: 18°C
Wind: 4.0 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	Record high	Record low	Chance wet
Dec 1	27°C	16°C	30°C 1993	16°C 1992	46%
Dec 2	27°C	16°C	35°C 1995	14°C 1992	46%
Dec 3	27°C	16°C	28°C 1995	13°C 1992	45%
Dec 4	27°C	16°C	37°C 1994	15°C 1992	45%
Dec 5	27°C	16°C	37°C 1993	17°C 2020	45%
Dec 6	27°C	16°C	32°C 1992	18°C 1995	45%
Dec 7	27°C	17°C	31°C 1994	11°C 1982	47%
Dec 8	27°C	17°C	36°C 1995	14°C 1994	47%
Dec 9	28°C	17°C		16°C 1992	48%
Dec 10	28°C	17°C	31°C 1992	18°C 2020	49%
Dec 11	28°C	17°C		17°C 1978	47%
Dec 12	28°C	17°C	40°C 1994	18°C 1992	46%
Dec 13	28°C	17°C	39°C 1994	13°C 1995	46%
Dec 14	28°C	17°C	38°C 1994	13°C 1996	46%
Dec 15	28°C	17°C	33°C 1994	15°C 1992	48%
Dec 16	28°C	17°C	33°C 1993	16°C 1992	49%
Dec 17	28°C	18°C	31°C 1996	12°C 1994	50%
Dec 18	28°C	18°C	30°C 1994	14°C 1993	50%
Dec 19	28°C	18°C	26°C 1978	17°C 1978	49%
Dec 20	28°C	18°C	33°C 1995	17°C 1978	50%
Dec 21	29°C	18°C	33°C 1992	13°C 1993	50%
Dec 22	29°C	18°C	39°C 1995	20°C 1978	49%
Dec 23	29°C	18°C	36°C 1991	18°C 1993	50%
Dec 24	29°C	18°C	37°C 1992	17°C 1977	50%
Dec 25	29°C	18°C	33°C 1978	19°C 1993	50%
Dec 26	29°C	18°C	35°C 1994	15°C 1992	52%
Dec 27	29°C	18°C	35°C 1993	15°C 1992	52%
Dec 28	29°C	18°C	36°C 1994	16°C 1992	53%
Dec 29	29°C	18°C	30°C 1993	16°C 1991	54%
Dec 30	29°C	18°C	36°C 1996	20°C 2021	52%
Dec 31	29°C	18°C	38°C 1992	18°C 1995	52%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:16 AM, sunset 7:11 PM
December 31: sunrise 5:27 AM, sunset 7:28 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BRM00083967, every year on file, quality-flagged values removed. 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.