Climate averages 1991–2020

Douliu weather
in May.

A hot, very wet month: the 5th warmest and the 8th driest of the year.

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

Average high 28.0°C Daytime mean, May
Average low 20.9°C Night-time mean, May
Rainfall 245 mm 19 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Douliu · average highYear overview

May is a hot month in Douliu: daytime highs average 28.0°C and nights cool to about 20.9°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 245 mm of rain on roughly 19 days, which makes May a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 16 min on an average May day.

The nearest other city in this atlas is Nantou, Taiwan (26 km away). In May its highs average 26.6°C, 1.4°C cooler than Douliu, with 165 mm of rain.

Among the 28 cities listed in Taiwan, Douliu ranks joint 9th of 28 for the warmest May highs and 21st of 28 for the driest May (rainfall, lowest first). The mean May high of those 28 cities is 27.5°C; Douliu is 0.5°C warmer than that mean.

From May to June, average highs rise by 1.2°C to 29.1°C, and monthly rainfall rises from 245 mm to 313 mm.

The annual picture

May 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

Douliu climate table

1991–2020
Monthly climate averages for Douliu, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 20.0°C12.4°C12.4°C569.810.811 h
February 21.0°C13.1°C13.1°C6611.211.311 h
March 23.4°C15.3°C15.3°C9812.712.012 h
April 26.0°C18.3°C18.3°C14714.912.713 h
May, selected 28.0°C20.9°C20.9°C24519.213.313 h
June 29.1°C22.6°C22.6°C31321.313.614 h
July 29.5°C23.3°C23.3°C35921.913.413 h
August 29.0°C23.2°C23.2°C44123.913.013 h
September 28.5°C22.3°C22.3°C26717.912.312 h
October 27.0°C20.4°C20.4°C12011.011.612 h
November 24.9°C17.7°C17.7°C608.311.011 h
December 21.4°C14.1°C14.1°C618.910.711 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

May in nearby cities

Distance from Douliu

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