Climate averages 1991–2020

Kushiro weather
in December.

A cold month with moderate precipitation: the 10th warmest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 1.2°C Daytime mean, December
Average low -4.2°C Night-time mean, December
Precipitation 71 mm 8 days with ≥1 mm
Daylight 9 h Sunrise to sunset, per day
Every month in Kushiro · average highYear overview

December is a cold month in Kushiro: daytime highs average 1.2°C and nights cool to about -4.2°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 71 mm of precipitation on roughly 8 days, which makes December a month with moderate precipitation (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 05 min on an average December day.

The nearest other city in this atlas is Obihiro (95 km away). In December its highs average -0.8°C, 2.0°C cooler than Kushiro, with 68 mm of precipitation.

Among the 303 cities listed in Japan, Kushiro ranks 292nd of 303 for the warmest December highs and joint 182nd of 303 for the driest December (precipitation, lowest first). The mean December high of those 303 cities is 9.5°C; Kushiro is 8.2°C cooler than that mean.

From December to January, average highs fall by 3.1°C to -1.8°C, and monthly precipitation falls from 71 mm to 51 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Kushiro climate table

1991–2020
Monthly climate averages for Kushiro, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.8°C-8.2°C-8.2°C516.39.49 h
February -1.8°C-9.2°C-9.2°C386.210.510 h
March 1.7°C-5.0°C-5.0°C688.111.912 h
April 6.8°C0.4°C0.4°C859.413.413 h
May 11.1°C5.4°C5.4°C10510.514.615 h
June 14.3°C9.7°C9.7°C859.315.315 h
July 18.1°C14.0°C14.0°C12510.715.015 h
August 20.3°C16.3°C16.3°C14712.113.914 h
September 18.6°C14.0°C14.0°C16011.512.513 h
October 13.9°C8.4°C8.4°C1189.511.111 h
November 7.7°C2.1°C2.1°C758.69.810 h
December, selected 1.2°C-4.2°C-4.2°C718.29.19 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

December in nearby cities

Distance from Kushiro

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kushiro) is explained once on the Kushiro year overview and on the Sources, method and limits page.