Boma climate

Boma Weather in December

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

Average highs run from 30°C on December 1 to 31°C on December 31, and lows from 23°C to 23°C. Normal precipitation for the month is 133 mm over about 22 wet days.

December day by day

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

Normal daily high and low temperature at Boma, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
30°C
Average low
23°C
Precipitation
133 mm
Reanalysis high
37°CDec 20, 2008
Reanalysis low
20°CDec 25, 1991
Daylight
12 h 26 min to 12 h 28 min
Cloud cover
85%
Humidity
82%
Dew point
23°C
Wind
6.5 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 130°C23°C33°C 200821°C 199689%
Dec 230°C23°C34°C 200421°C 199688%
Dec 330°C23°C35°C 200621°C 199687%
Dec 430°C23°C35°C 200620°C 199686%
Dec 530°C23°C34°C 200621°C 199684%
Dec 630°C23°C34°C 201522°C 199682%
Dec 730°C23°C33°C 201722°C 200781%
Dec 830°C23°C33°C 199920°C 199879%
Dec 930°C23°C35°C 200622°C 199278%
Dec 1030°C23°C34°C 201521°C 201277%
Dec 1130°C23°C33°C 199722°C 200777%
Dec 1230°C23°C33°C 200422°C 201176%
Dec 1330°C23°C34°C 201422°C 201375%
Dec 1430°C23°C34°C 200822°C 201373%
Dec 1530°C23°C35°C 200822°C 201172%
Dec 1630°C23°C36°C 200821°C 201171%
Dec 1730°C23°C35°C 199922°C 201370%
Dec 1830°C23°C36°C 199722°C 199268%
Dec 1930°C23°C35°C 199722°C 199368%
Dec 2030°C23°C37°C 200822°C 199268%
Dec 2130°C23°C35°C 200821°C 199568%
Dec 2230°C23°C36°C 201621°C 199168%
Dec 2330°C23°C35°C 201420°C 199169%
Dec 2430°C23°C35°C 199720°C 199168%
Dec 2530°C23°C35°C 199720°C 199167%
Dec 2631°C23°C35°C 199921°C 199166%
Dec 2731°C23°C37°C 199720°C 199166%
Dec 2831°C23°C36°C 200820°C 199166%
Dec 2931°C23°C35°C 199721°C 199167%
Dec 3031°C23°C34°C 200821°C 199167%
Dec 3131°C23°C35°C 200821°C 199567%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1
sunrise 5:44 AM, sunset 6:10 PM
December 31
sunrise 5:57 AM, sunset 6:25 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.