Climate averages 1991–2020

Hōfu weather
in December.

A cool, moderately wet month: the 10th warmest and the 2nd driest of the year.

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

Average high 10.9°C Daytime mean, December
Average low 5.0°C Night-time mean, December
Rainfall 68 mm 11 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Hōfu · average highYear overview

December is a cool month in Hōfu: daytime highs average 10.9°C and nights cool to about 5.0°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 68 mm of rain on roughly 11 days, which makes December a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 56 min on an average December day.

The nearest other city in this atlas is Yamaguchi (17 km away). In December its highs average 10.0°C, 0.9°C cooler than Hōfu, with 64 mm of rain.

Among the 303 cities listed in Japan, Hōfu ranks joint 76th of 303 for the warmest December highs and joint 145th of 303 for the driest December (rainfall, lowest first). The mean December high of those 303 cities is 9.5°C; Hōfu is 1.4°C warmer than that mean.

From December to January, average highs fall by 2.3°C to 8.6°C, and monthly rainfall falls from 68 mm to 65 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

Hōfu climate table

1991–2020
Monthly climate averages for Hōfu, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.6°C2.8°C2.8°C6510.410.210 h
February 9.8°C2.8°C2.8°C7710.110.911 h
March 13.3°C5.1°C5.1°C12310.912.012 h
April 18.1°C9.4°C9.4°C14110.213.013 h
May 22.5°C14.2°C14.2°C16210.113.914 h
June 25.6°C18.8°C18.8°C26014.214.414 h
July 29.0°C23.1°C23.1°C25214.114.214 h
August 30.3°C24.3°C24.3°C13511.713.413 h
September 27.1°C20.7°C20.7°C15610.812.412 h
October 22.1°C15.0°C15.0°C1027.411.411 h
November 16.5°C9.7°C9.7°C788.210.410 h
December, selected 10.9°C5.0°C5.0°C6810.59.910 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 Hōfu

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