Vallenar climate

Vallenar Weather in December

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

Average highs run from 22°C on December 1 to 23°C on December 31, and lows from 13°C to 15°C. Normal precipitation for the month is 0 mm over about 0 wet days.

December day by day

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

Normal daily high and low temperature at Vallenar, in °C, with the record for each date.1015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
23°C
Average low
14°C
Precipitation
0 mm
Reanalysis high
27°CDec 13, 1997
Reanalysis low
11°CDec 2, 2010
Daylight
13 h 50 min to 13 h 56 min
Cloud cover
20%
Humidity
69%
Dew point
12°C
Wind
15.5 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 122°C13°C26°C 199112°C 19980%
Dec 222°C13°C26°C 199711°C 20100%
Dec 322°C13°C25°C 200412°C 20100%
Dec 422°C13°C25°C 199312°C 20100%
Dec 522°C14°C25°C 199112°C 20100%
Dec 622°C14°C25°C 201312°C 20070%
Dec 722°C14°C25°C 200412°C 20100%
Dec 822°C14°C25°C 200312°C 19990%
Dec 922°C14°C26°C 201812°C 19960%
Dec 1023°C14°C25°C 201812°C 20010%
Dec 1123°C14°C25°C 201812°C 20010%
Dec 1223°C14°C26°C 201012°C 20200%
Dec 1323°C14°C27°C 199713°C 20100%
Dec 1423°C14°C25°C 199412°C 20100%
Dec 1523°C14°C24°C 200912°C 20100%
Dec 1623°C14°C26°C 199212°C 20100%
Dec 1723°C14°C25°C 199212°C 20100%
Dec 1823°C14°C24°C 201612°C 20200%
Dec 1923°C14°C25°C 201713°C 20200%
Dec 2023°C14°C26°C 201913°C 20100%
Dec 2123°C14°C25°C 201112°C 20140%
Dec 2223°C15°C26°C 201113°C 19930%
Dec 2323°C15°C25°C 201513°C 20140%
Dec 2423°C15°C26°C 200213°C 19980%
Dec 2523°C15°C27°C 200013°C 20140%
Dec 2623°C15°C26°C 200013°C 20140%
Dec 2723°C15°C26°C 199714°C 20070%
Dec 2823°C15°C26°C 201313°C 20030%
Dec 2923°C15°C26°C 201313°C 20030%
Dec 3023°C15°C26°C 201313°C 20030%
Dec 3123°C15°C26°C 201314°C 20100%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Vallenar, in percent.00.10.10.20.21102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 6:37 AM, sunset 8:27 PM
December 31
sunrise 6:48 AM, sunset 8:44 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.