Climate averages 1991–2020

Rui’an weather
in June.

A warm, very wet month: the 4th warmest and the wettest of the year.

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

Average high 27.1°C Daytime mean, June
Average low 22.8°C Night-time mean, June
Rainfall 261 mm 16 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Rui’an · average highYear overview

June is a warm month in Rui’an: daytime highs average 27.1°C and nights cool to about 22.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 261 mm of rain on roughly 16 days, which makes June a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average June day.

The nearest other city in this atlas is Wenzhou (25 km away). In June its highs average 27.4°C, about as warm as Rui’an, with 290 mm of rain.

Among the 884 cities listed in China, Rui’an ranks joint 653rd of 884 for the warmest June highs and joint 665th of 884 for the driest June (rainfall, lowest first). The mean June high of those 884 cities is 28.4°C; Rui’an is 1.3°C cooler than that mean.

From June to July, average highs rise by 3.0°C to 30.0°C, and monthly rainfall falls from 261 mm to 153 mm.

The annual picture

June 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

Rui’an climate table

1991–2020
Monthly climate averages for Rui’an, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 11.8°C5.8°C5.8°C7010.010.611 h
February 12.7°C6.6°C6.6°C7611.611.211 h
March 15.3°C9.3°C9.3°C12515.012.012 h
April 19.6°C13.6°C13.6°C12414.412.813 h
May 23.8°C18.6°C18.6°C17414.513.514 h
June, selected 27.1°C22.8°C22.8°C26115.913.914 h
July 30.0°C25.8°C25.8°C15313.713.714 h
August 30.0°C25.8°C25.8°C22818.013.113 h
September 27.5°C23.0°C23.0°C17314.412.312 h
October 23.6°C18.1°C18.1°C887.611.512 h
November 19.1°C13.3°C13.3°C839.710.811 h
December 14.1°C7.7°C7.7°C648.910.410 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

June in nearby cities

Distance from Rui’an

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 Rui’an) is explained once on the Rui’an year overview and on the Sources, method and limits page.