Akishima climate

Akishima Weather in December

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

Average highs run from 13°C on December 1 to 9°C on December 31, and lows from 3°C to -1°C. Normal precipitation for the month is 59 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 Akishima, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
10°C
Average low
1°C
Precipitation
59 mm
Reanalysis high
22°CDec 5, 2004
Reanalysis low
-5°CDec 27, 2012
Daylight
9 h 56 min to 9 h 47 min
Cloud cover
45%
Humidity
79%
Dew point
1°C
Wind
13.0 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 113°C3°C19°C 1998-1°C 201227%
Dec 213°C3°C18°C 2019-3°C 201226%
Dec 312°C3°C20°C 2010-2°C 199726%
Dec 412°C3°C21°C 2018-2°C 199726%
Dec 512°C2°C22°C 2004-1°C 200526%
Dec 612°C2°C17°C 1991-2°C 199526%
Dec 712°C2°C17°C 1997-3°C 200026%
Dec 812°C2°C19°C 1992-2°C 199525%
Dec 911°C2°C16°C 1994-2°C 200224%
Dec 1011°C1°C17°C 2004-4°C 200223%
Dec 1111°C1°C21°C 2015-3°C 200222%
Dec 1211°C1°C16°C 2009-3°C 200021%
Dec 1311°C1°C16°C 2001-3°C 200520%
Dec 1411°C1°C14°C 1998-3°C 200220%
Dec 1510°C1°C15°C 2015-2°C 200520%
Dec 1610°C1°C18°C 2015-4°C 199420%
Dec 1710°C0°C16°C 1991-4°C 199420%
Dec 1810°C0°C17°C 2019-4°C 201419%
Dec 1910°C0°C16°C 2000-4°C 200518%
Dec 2010°C0°C17°C 1997-3°C 199418%
Dec 2110°C0°C17°C 2008-3°C 199918%
Dec 2210°C0°C18°C 2016-3°C 200518%
Dec 2310°C0°C19°C 2016-4°C 199318%
Dec 249°C0°C17°C 1991-3°C 200518%
Dec 259°C-1°C14°C 2003-4°C 200517%
Dec 269°C-1°C13°C 2009-4°C 201216%
Dec 279°C-1°C18°C 2016-5°C 201216%
Dec 289°C-1°C14°C 2009-5°C 200515%
Dec 299°C-1°C16°C 2007-4°C 199115%
Dec 309°C-1°C16°C 2020-4°C 199115%
Dec 319°C-1°C16°C 2019-3°C 200515%

Chance of rain

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

Sunrise and sunset

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

December 1
sunrise 6:33 AM, sunset 4:29 PM
December 31
sunrise 6:52 AM, sunset 4:39 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.