São Carlos climate

São Carlos Weather in December

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

Average highs run from 29°C on December 1 to 30°C on December 31, and lows from 17°C to 19°C. Normal precipitation for the month is 174 mm over about 16 wet days.

December day by day

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

Normal daily high and low temperature at São Carlos, in °C, with the record for each date.101520253035151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
30°C
Average low
18°C
Precipitation
174 mm
Record high
35°CDec 7, 2025
Record low
14°CDec 17, 2025
Daylight
13 h 43 min to 13 h 50 min
Cloud cover
62%
Humidity
77%
Dew point
19°C
Wind
7.9 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 129°C17°C30°C 202520°C 202549%
Dec 229°C18°C29°C 202518°C 202549%
Dec 329°C18°C29°C 202519°C 202549%
Dec 429°C18°C30°C 202518°C 202549%
Dec 529°C18°C32°C 202519°C 202550%
Dec 629°C18°C33°C 202523°C 202550%
Dec 729°C18°C35°C 202521°C 202551%
Dec 829°C18°C29°C 202519°C 202551%
Dec 929°C18°C25°C 202519°C 202553%
Dec 1029°C18°C19°C 202517°C 202552%
Dec 1129°C18°C27°C 202516°C 202551%
Dec 1229°C18°C22°C 202516°C 202550%
Dec 1329°C18°C27°C 202518°C 202550%
Dec 1430°C18°C31°C 202519°C 202552%
Dec 1530°C18°C28°C 202520°C 202554%
Dec 1630°C18°C54%
Dec 1730°C18°C27°C 202514°C 202554%
Dec 1830°C18°C53%
Dec 1930°C18°C31°C 202519°C 202552%
Dec 2030°C19°C51%
Dec 2130°C19°C27°C 202521°C 202552%
Dec 2230°C19°C31°C 202521°C 202553%
Dec 2330°C19°C30°C 202521°C 202554%
Dec 2430°C19°C23°C 202522°C 202554%
Dec 2530°C19°C56%
Dec 2630°C19°C30°C 202522°C 202558%
Dec 2730°C19°C32°C 202523°C 202559%
Dec 2830°C19°C58%
Dec 2930°C19°C29°C 202520°C 202557%
Dec 3030°C19°C28°C 199756%
Dec 3130°C19°C29°C 202524°C 202556%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São Carlos, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 5:30 AM, sunset 7:13 PM
December 31
sunrise 5:40 AM, sunset 7:30 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BR002752004, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.