Climate averages 1991–2020

Huilong weather
in August.

A hot, wet month: one of the warmest and the 10th driest of the year.

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

Average high 29.3°C Daytime mean, August
Average low 25.7°C Night-time mean, August
Rainfall 153 mm 13 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Huilong · average highYear overview

August is a hot month in Huilong: daytime highs average 29.3°C and nights cool to about 25.7°C. By daytime temperature it is one of the warmest months of the year.

Expect about 153 mm of rain on roughly 13 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 19 min on an average August day.

The nearest other city in this atlas is Chongming (22 km away). In August its highs average 29.4°C, about as warm as Huilong, with 153 mm of rain.

Among the 884 cities listed in China, Huilong ranks joint 558th of 884 for the warmest August highs and joint 383rd of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Huilong is level with that mean.

From August to September, average highs fall by 3.4°C to 25.9°C, and monthly rainfall falls from 153 mm to 109 mm.

The annual picture

August 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 2500

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

Every month, side by side

Huilong climate table

1991–2020
Monthly climate averages for Huilong, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 7.4°C2.6°C2.6°C638.510.310 h
February 8.5°C3.4°C3.4°C668.711.011 h
March 12.1°C6.4°C6.4°C9710.912.012 h
April 17.2°C11.2°C11.2°C10210.012.913 h
May 22.2°C16.6°C16.6°C1169.513.814 h
June 25.4°C20.9°C20.9°C24112.314.214 h
July 29.3°C25.3°C25.3°C15912.214.014 h
August, selected 29.3°C25.7°C25.7°C15312.913.313 h
September 25.9°C22.2°C22.2°C1099.912.412 h
October 21.4°C17.1°C17.1°C635.911.411 h
November 16.2°C11.4°C11.4°C657.710.611 h
December 10.1°C5.2°C5.2°C486.810.110 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

August in nearby cities

Distance from Huilong

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