Wako climate

Wako Weather in December

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

Average highs run from 12°C on December 1 to 8°C on December 31, and lows from 2°C to -2°C. Normal precipitation for the month is 47 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 Wako, 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
0°C
Precipitation
47 mm
Reanalysis high
22°CDec 11, 2015
Reanalysis low
-7°CDec 27, 2012
Daylight
9 h 55 min to 9 h 46 min
Cloud cover
49%
Humidity
78%
Dew point
0°C
Wind
11.2 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 112°C2°C18°C 2014-3°C 201222%
Dec 212°C2°C18°C 2019-3°C 201222%
Dec 312°C1°C21°C 2010-3°C 199721%
Dec 412°C1°C22°C 2018-3°C 199721%
Dec 511°C1°C21°C 2004-1°C 200621%
Dec 611°C1°C17°C 2010-2°C 199522%
Dec 711°C1°C16°C 1991-3°C 200021%
Dec 811°C1°C17°C 1992-3°C 199520%
Dec 911°C0°C14°C 1992-3°C 201219%
Dec 1010°C0°C17°C 2004-5°C 200219%
Dec 1110°C0°C22°C 2015-5°C 200219%
Dec 1210°C0°C15°C 2009-4°C 200218%
Dec 1310°C0°C14°C 1993-4°C 200517%
Dec 1410°C0°C14°C 1998-4°C 200217%
Dec 1510°C0°C16°C 2015-3°C 199317%
Dec 1610°C-1°C17°C 2015-4°C 199417%
Dec 179°C-1°C14°C 1991-4°C 199416%
Dec 189°C-1°C14°C 1997-4°C 201416%
Dec 199°C-1°C15°C 1998-5°C 200515%
Dec 209°C-1°C16°C 1997-4°C 201216%
Dec 219°C-1°C17°C 2008-3°C 200915%
Dec 229°C-1°C18°C 2016-4°C 200515%
Dec 239°C-1°C18°C 2016-5°C 200216%
Dec 248°C-1°C16°C 1991-4°C 200516%
Dec 258°C-2°C13°C 2003-5°C 200514%
Dec 268°C-2°C12°C 2009-6°C 201214%
Dec 278°C-2°C15°C 2016-7°C 201214%
Dec 288°C-2°C12°C 2009-6°C 199513%
Dec 298°C-2°C14°C 2007-5°C 199113%
Dec 308°C-2°C13°C 1996-5°C 200213%
Dec 318°C-2°C14°C 2019-5°C 200513%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Wako, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 6:33 AM, sunset 4:28 PM
December 31
sunrise 6:51 AM, sunset 4:37 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.