Arai climate

Arai Weather in December

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

Average highs run from 16°C on December 1 to 12°C on December 31, and lows from 12°C to 8°C. Normal precipitation for the month is 68 mm over about 6 wet days.

December day by day

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

Normal daily high and low temperature at Arai, in °C, with the record for each date.0510152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
13°C
Average low
10°C
Precipitation
68 mm
Reanalysis high
23°CDec 5, 2004
Reanalysis low
3°CDec 22, 2005
Daylight
10 h 01 min to 9 h 52 min
Cloud cover
54%
Humidity
75%
Dew point
7°C
Wind
29.5 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 116°C12°C20°C 20146°C 199626%
Dec 216°C12°C20°C 20196°C 199725%
Dec 315°C12°C21°C 20106°C 199725%
Dec 415°C12°C21°C 20188°C 199726%
Dec 515°C12°C23°C 20046°C 200526%
Dec 615°C11°C20°C 20037°C 200825%
Dec 715°C11°C19°C 19977°C 200825%
Dec 814°C11°C20°C 19926°C 201224%
Dec 914°C11°C20°C 19946°C 201222%
Dec 1014°C11°C19°C 19936°C 199723%
Dec 1114°C10°C22°C 20156°C 200222%
Dec 1214°C10°C17°C 20095°C 200021%
Dec 1314°C10°C19°C 20016°C 200521%
Dec 1413°C10°C19°C 20106°C 200520%
Dec 1513°C10°C18°C 20157°C 200121%
Dec 1613°C10°C18°C 20025°C 199420%
Dec 1713°C10°C18°C 20023°C 201420%
Dec 1813°C10°C18°C 20194°C 201419%
Dec 1913°C10°C19°C 20005°C 200318%
Dec 2013°C9°C16°C 20045°C 200319%
Dec 2113°C9°C19°C 20086°C 199319%
Dec 2212°C9°C20°C 20163°C 200519%
Dec 2312°C9°C18°C 20165°C 199320%
Dec 2412°C9°C17°C 20155°C 199220%
Dec 2512°C9°C16°C 20174°C 199518%
Dec 2612°C9°C16°C 19933°C 201218%
Dec 2712°C9°C19°C 20163°C 201218%
Dec 2812°C9°C17°C 20075°C 200517%
Dec 2912°C8°C18°C 20075°C 199116%
Dec 3012°C8°C19°C 20205°C 199116%
Dec 3112°C8°C17°C 20195°C 200516%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Arai, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

December 1
sunrise 6:38 AM, sunset 4:39 PM
December 31
sunrise 6:57 AM, sunset 4:49 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.