Climate averages 1991–2020

Miyazaki 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 13.6°C Daytime mean, December
Average low 7.4°C Night-time mean, December
Rainfall 80 mm 6 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Miyazaki · average highYear overview

December is a cool month in Miyazaki: daytime highs average 13.6°C and nights cool to about 7.4°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 80 mm of rain on roughly 6 days, which makes December a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 06 min on an average December day.

The nearest other city in this atlas is Miyakonojō (39 km away). In December its highs average 13.1°C, about as warm as Miyazaki, with 81 mm of rain.

Among the 303 cities listed in Japan, Miyazaki ranks 5th of 303 for the warmest December highs and joint 215th of 303 for the driest December (rainfall, lowest first). The mean December high of those 303 cities is 9.5°C; Miyazaki is 4.1°C warmer than that mean.

From December to January, average highs fall by 2.0°C to 11.6°C, and monthly rainfall falls from 80 mm to 78 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 4000

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

Every month, side by side

Miyazaki climate table

1991–2020
Monthly climate averages for Miyazaki, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 11.6°C5.3°C5.3°C787.010.310 h
February 12.7°C6.0°C6.0°C1008.211.011 h
March 15.6°C8.8°C8.8°C15412.212.012 h
April 19.5°C12.7°C12.7°C17511.712.913 h
May 22.8°C16.8°C16.8°C20012.613.814 h
June 25.2°C20.5°C20.5°C38717.614.214 h
July 28.8°C24.3°C24.3°C22414.114.014 h
August 29.4°C24.9°C24.9°C20915.613.313 h
September 27.0°C22.5°C22.5°C26815.412.412 h
October 22.9°C17.9°C17.9°C17410.511.411 h
November 18.4°C12.6°C12.6°C1088.410.611 h
December, selected 13.6°C7.4°C7.4°C806.310.110 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 Miyazaki

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