Manaus climate

Manaus Weather in December

NASA POWER reanalysis for the half-degree grid cell around Manaus, 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 25°C to 25°C. Normal precipitation for the month is 205 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 Manaus, 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
30°C
Average low
25°C
Precipitation
205 mm
Reanalysis high
38°CDec 14, 2015
Reanalysis low
22°CDec 5, 2007
Daylight
12 h 17 min to 12 h 18 min
Cloud cover
80%
Humidity
84%
Dew point
24°C
Wind
4.0 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 131°C25°C38°C 201523°C 199470%
Dec 231°C25°C38°C 201524°C 201271%
Dec 331°C25°C35°C 201524°C 199672%
Dec 431°C25°C35°C 201423°C 200772%
Dec 530°C25°C35°C 199122°C 200774%
Dec 630°C25°C35°C 201623°C 199676%
Dec 730°C25°C36°C 201523°C 201877%
Dec 830°C25°C37°C 201523°C 201878%
Dec 930°C25°C37°C 201524°C 200778%
Dec 1030°C25°C37°C 201524°C 199279%
Dec 1130°C25°C35°C 201524°C 200780%
Dec 1230°C25°C37°C 201524°C 201081%
Dec 1330°C25°C37°C 201524°C 199683%
Dec 1430°C25°C38°C 201523°C 200983%
Dec 1530°C25°C37°C 201523°C 200084%
Dec 1629°C25°C34°C 201523°C 202084%
Dec 1729°C25°C35°C 201524°C 199285%
Dec 1829°C25°C38°C 201523°C 201085%
Dec 1929°C25°C37°C 201523°C 201685%
Dec 2029°C25°C35°C 201523°C 199385%
Dec 2129°C25°C33°C 199124°C 200086%
Dec 2229°C25°C33°C 199123°C 200987%
Dec 2329°C25°C35°C 201524°C 199887%
Dec 2429°C25°C37°C 201524°C 200887%
Dec 2529°C25°C34°C 201523°C 199386%
Dec 2629°C25°C37°C 201523°C 201786%
Dec 2729°C25°C37°C 201523°C 201786%
Dec 2829°C25°C36°C 201523°C 201086%
Dec 2929°C25°C34°C 201524°C 200986%
Dec 3029°C25°C36°C 201523°C 202085%
Dec 3129°C25°C36°C 201523°C 201285%

Chance of rain

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

Sunrise and sunset

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

December 1
sunrise 5:41 AM, sunset 5:58 PM
December 31
sunrise 5:54 AM, sunset 6:12 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.