Climate averages 1991–2020

Taichung weather
in December.

A mild, moderately wet month: the 10th warmest and the 2nd driest of the year. Meets the pleasant-weather rule

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

Average high 21.4°C Daytime mean, December
Average low 14.5°C Night-time mean, December
Rainfall 56 mm 8 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Taichung · average highYear overview

December is a mild month in Taichung: daytime highs average 21.4°C and nights cool to about 14.5°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 56 mm of rain on roughly 8 days, which makes December a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 40 min on an average December day.

The nearest other city in this atlas is Chang-hua (15 km away). In December its highs average 21.7°C, about as warm as Taichung, with 50 mm of rain.

Among the 28 cities listed in Taiwan, Taichung ranks joint 10th of 28 for the warmest December highs and joint 10th of 28 for the driest December (rainfall, lowest first). The mean December high of those 28 cities is 20.5°C; Taichung is 0.9°C warmer than that mean.

From December to January, average highs fall by 1.6°C to 19.8°C, and monthly rainfall rises from 56 mm to 68 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. 101520253035 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 4500

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

Every month, side by side

Taichung climate table

1991–2020
Monthly climate averages for Taichung, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 19.8°C12.7°C12.7°C689.010.811 h
February 20.6°C13.5°C13.5°C9911.011.311 h
March 22.8°C15.6°C15.6°C12912.912.012 h
April 25.4°C18.6°C18.6°C15014.712.713 h
May 27.5°C21.2°C21.2°C22218.713.313 h
June 28.7°C22.5°C22.5°C28822.113.614 h
July 29.4°C23.3°C23.3°C34424.713.513 h
August 28.8°C23.3°C23.3°C43927.613.013 h
September 28.3°C22.6°C22.6°C25522.512.312 h
October 27.0°C20.6°C20.6°C9311.111.612 h
November 24.9°C18.0°C18.0°C506.511.011 h
December, selected 21.4°C14.5°C14.5°C567.510.711 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 Taichung

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