Climate averages 1991–2020

Rui’an weather
in July.

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

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

Average high 30.0°C Daytime mean, July
Average low 25.8°C Night-time mean, July
Rainfall 153 mm 14 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Rui’an · average highYear overview

July is a hot month in Rui’an: daytime highs average 30.0°C and nights cool to about 25.8°C. By daytime temperature it is one of the warmest months of the year.

Expect about 153 mm of rain on roughly 14 days, which makes July a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average July day.

The nearest other city in this atlas is Wenzhou (25 km away). In July its highs average 30.3°C, about as warm as Rui’an, with 191 mm of rain.

Among the 884 cities listed in China, Rui’an ranks joint 571st of 884 for the warmest July highs and joint 236th of 884 for the driest July (rainfall, lowest first). The mean July high of those 884 cities is 30.0°C; Rui’an is level with that mean.

From July to August, average highs fall by 0.1°C to 30.0°C, and monthly rainfall rises from 153 mm to 228 mm.

The annual picture

July 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 27.1°C22.8°C22.8°C26115.913.914 h
July, selected 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

July 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.