Belém climate

Belém Weather in December

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

Average highs run from 33°C on December 1 to 30°C on December 31, and lows from 25°C to 25°C. Normal precipitation for the month is 174 mm over about 25 wet days.

December day by day

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

Normal daily high and low temperature at Belém, in °C, with the record for each date.2025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
32°C
Average low
25°C
Precipitation
174 mm
Reanalysis high
36°CDec 1, 2015
Reanalysis low
21°CDec 19, 2016
Daylight
12 h 12 min to 12 h 12 min
Cloud cover
71%
Humidity
78%
Dew point
23°C
Wind
6.1 km/h

Every day of the month

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

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 133°C25°C36°C 201523°C 199556%
Dec 233°C25°C35°C 201524°C 199659%
Dec 333°C25°C35°C 201724°C 200860%
Dec 433°C25°C36°C 201724°C 199461%
Dec 533°C25°C36°C 201723°C 201163%
Dec 633°C25°C35°C 199724°C 201864%
Dec 733°C25°C35°C 199724°C 199366%
Dec 832°C25°C35°C 201224°C 200668%
Dec 932°C25°C35°C 199124°C 199671%
Dec 1032°C25°C35°C 200424°C 201072%
Dec 1132°C25°C35°C 199124°C 200273%
Dec 1232°C25°C35°C 199124°C 202074%
Dec 1332°C25°C35°C 199124°C 200976%
Dec 1432°C25°C34°C 201324°C 199677%
Dec 1532°C25°C35°C 199124°C 201478%
Dec 1632°C25°C35°C 199124°C 200080%
Dec 1732°C25°C35°C 201323°C 200081%
Dec 1831°C25°C35°C 199223°C 200083%
Dec 1931°C25°C34°C 201221°C 201685%
Dec 2031°C25°C34°C 200123°C 201686%
Dec 2131°C25°C34°C 201423°C 200087%
Dec 2231°C25°C34°C 200123°C 202087%
Dec 2331°C25°C33°C 201423°C 199988%
Dec 2431°C25°C34°C 200124°C 199987%
Dec 2531°C25°C34°C 200124°C 199988%
Dec 2631°C25°C34°C 201423°C 200088%
Dec 2730°C25°C34°C 199723°C 200489%
Dec 2830°C25°C34°C 201523°C 200489%
Dec 2930°C25°C33°C 201522°C 200590%
Dec 3030°C25°C34°C 201523°C 200590%
Dec 3130°C25°C34°C 201324°C 200990%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Belém, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 5:57 AM, sunset 6:09 PM
December 31
sunrise 6:11 AM, sunset 6:23 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.