Willemstad climate

Willemstad Weather in December

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

Average highs run from 28°C on December 1 to 27°C on December 31, and lows from 27°C to 27°C. Normal precipitation for the month is 62 mm over about 12 wet days.

December day by day

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

Normal daily high and low temperature at Willemstad, in °C, with the record for each date.24252627282930151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
28°C
Average low
27°C
Precipitation
62 mm
Reanalysis high
29°CDec 3, 2019
Reanalysis low
25°CDec 22, 1991
Daylight
11 h 28 min to 11 h 25 min
Cloud cover
44%
Humidity
79%
Dew point
23°C
Wind
29.2 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 128°C27°C29°C 201926°C 199346%
Dec 228°C27°C29°C 201926°C 199645%
Dec 328°C27°C29°C 201926°C 200745%
Dec 428°C27°C29°C 201626°C 200744%
Dec 528°C27°C29°C 201926°C 201042%
Dec 628°C27°C29°C 201926°C 199841%
Dec 728°C27°C29°C 201626°C 199842%
Dec 828°C27°C29°C 201626°C 199840%
Dec 928°C27°C29°C 201226°C 199840%
Dec 1028°C27°C29°C 201626°C 199339%
Dec 1128°C27°C29°C 201626°C 199140%
Dec 1228°C27°C29°C 201226°C 199140%
Dec 1328°C27°C29°C 201626°C 199638%
Dec 1428°C27°C28°C 201926°C 199138%
Dec 1528°C27°C29°C 201926°C 199137%
Dec 1628°C27°C29°C 201926°C 199138%
Dec 1728°C27°C28°C 201926°C 199137%
Dec 1828°C27°C28°C 201926°C 199136%
Dec 1928°C27°C29°C 201226°C 199137%
Dec 2028°C27°C28°C 202025°C 199136%
Dec 2128°C27°C28°C 200625°C 199136%
Dec 2228°C27°C28°C 202025°C 199135%
Dec 2328°C27°C28°C 200125°C 199136%
Dec 2427°C27°C28°C 200925°C 199137%
Dec 2527°C27°C28°C 200125°C 199136%
Dec 2627°C27°C29°C 201926°C 200436%
Dec 2727°C27°C28°C 200926°C 199135%
Dec 2827°C27°C28°C 201025°C 199136%
Dec 2927°C27°C28°C 201025°C 199137%
Dec 3027°C27°C28°C 200925°C 199137%
Dec 3127°C27°C28°C 200925°C 199136%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Willemstad, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (AST).

December 1
sunrise 6:41 AM, sunset 6:09 PM
December 31
sunrise 6:56 AM, sunset 6:21 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.