Yakumo climate

Yakumo Weather in December

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

Average highs run from 2°C on December 1 to -2°C on December 31, and lows from -2°C to -6°C. Normal precipitation for the month is 115 mm over about 22 wet days.

December day by day

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

Normal daily high and low temperature at Yakumo, in °C, with the record for each date.-15-10-5051015151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
0°C
Average low
-4°C
Precipitation
115 mm
Reanalysis high
12°CDec 4, 2018
Reanalysis low
-13°CDec 16, 1994
Daylight
9 h 20 min to 9 h 08 min
Cloud cover
89%
Humidity
90%
Dew point
-4°C
Wind
16.2 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 12°C-2°C10°C 2014-7°C 199867%
Dec 22°C-2°C10°C 1994-8°C 199868%
Dec 32°C-2°C11°C 2010-8°C 199768%
Dec 42°C-3°C12°C 2018-6°C 200070%
Dec 51°C-3°C8°C 2008-6°C 200070%
Dec 61°C-3°C10°C 1991-9°C 200071%
Dec 71°C-3°C8°C 1992-8°C 201671%
Dec 81°C-3°C10°C 1992-8°C 201772%
Dec 91°C-4°C8°C 1997-8°C 201974%
Dec 100°C-4°C9°C 1992-9°C 200275%
Dec 110°C-4°C7°C 2019-10°C 201676%
Dec 120°C-4°C7°C 2009-10°C 201676%
Dec 130°C-4°C4°C 2015-9°C 199176%
Dec 140°C-4°C5°C 2015-9°C 200175%
Dec 150°C-5°C7°C 2015-9°C 199374%
Dec 160°C-5°C4°C 2004-13°C 199474%
Dec 170°C-5°C8°C 1991-8°C 199375%
Dec 18-1°C-5°C5°C 1997-10°C 200575%
Dec 19-1°C-5°C6°C 1997-9°C 202074%
Dec 20-1°C-5°C6°C 1997-10°C 201174%
Dec 21-1°C-5°C5°C 1993-10°C 201174%
Dec 22-1°C-5°C4°C 1992-9°C 199374%
Dec 23-1°C-5°C3°C 2015-11°C 201274%
Dec 24-1°C-5°C6°C 2015-11°C 201274%
Dec 25-1°C-5°C4°C 2003-9°C 201273%
Dec 26-1°C-5°C5°C 1993-11°C 201273%
Dec 27-1°C-5°C5°C 1993-11°C 201273%
Dec 28-1°C-5°C3°C 1999-12°C 201674%
Dec 29-1°C-5°C4°C 2003-10°C 201175%
Dec 30-1°C-6°C4°C 2019-10°C 201176%
Dec 31-2°C-6°C5°C 2019-10°C 202076%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Yakumo, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 6:48 AM, sunset 4:08 PM
December 31
sunrise 7:08 AM, sunset 4:16 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.