Climate averages 1991–2020

Numazu weather
in December.

A cool, moderately wet month: the 10th warmest and the driest of the year.

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

Average high 11.9°C Daytime mean, December
Average low 5.9°C Night-time mean, December
Rainfall 89 mm 8 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Numazu · average highYear overview

December is a cool month in Numazu: daytime highs average 11.9°C and nights cool to about 5.9°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 89 mm of rain on roughly 8 days, which makes December a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 51 min on an average December day.

The nearest other city in this atlas is Fuji, Japan (18 km away). In December its highs average 12.1°C, about as warm as Numazu, with 101 mm of rain.

Among the 303 cities listed in Japan, Numazu ranks joint 19th of 303 for the warmest December highs and 246th of 303 for the driest December (rainfall, lowest first). The mean December high of those 303 cities is 9.5°C; Numazu is 2.5°C warmer than that mean.

From December to January, average highs fall by 2.4°C to 9.5°C, and monthly rainfall rises from 89 mm to 95 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. 05101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

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

Every month, side by side

Numazu climate table

1991–2020
Monthly climate averages for Numazu, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 9.5°C3.1°C3.1°C958.510.110 h
February 10.1°C3.0°C3.0°C1199.210.911 h
March 13.1°C5.5°C5.5°C20414.011.912 h
April 17.4°C9.9°C9.9°C21513.113.013 h
May 21.5°C14.3°C14.3°C23212.814.014 h
June 24.2°C18.5°C18.5°C28615.814.514 h
July 27.9°C22.5°C22.5°C29416.514.314 h
August 29.1°C23.7°C23.7°C16514.213.513 h
September 26.1°C20.9°C20.9°C24314.512.412 h
October 21.3°C15.9°C15.9°C24513.111.311 h
November 16.7°C10.7°C10.7°C14410.810.410 h
December, selected 11.9°C5.9°C5.9°C898.49.810 h

Rainfall is the average of the 30 separate monthly totals. A rain 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 Numazu

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 Numazu) is explained once on the Numazu year overview and on the Sources, method and limits page.