Climate averages 1991–2020

Nanchang weather
in August.

A hot, wet month: the 2nd warmest and the 7th driest of the year.

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

Average high 32.5°C Daytime mean, August
Average low 25.9°C Night-time mean, August
Rainfall 136 mm 13 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Nanchang · average highYear overview

August is a hot month in Nanchang: daytime highs average 32.5°C and nights cool to about 25.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 136 mm of rain on roughly 13 days, which makes August a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 10 min on an average August day.

The nearest other city in this atlas is Poyang (86 km away). In August its highs average 32.6°C, about as warm as Nanchang, with 154 mm of rain.

Among the 884 cities listed in China, Nanchang ranks joint 47th of 884 for the warmest August highs and joint 234th of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Nanchang is 3.3°C warmer than that mean.

From August to September, average highs fall by 3.5°C to 29.1°C, and monthly rainfall falls from 136 mm to 73 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 3500

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

Every month, side by side

Nanchang climate table

1991–2020
Monthly climate averages for Nanchang, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 9.9°C2.9°C2.9°C669.810.511 h
February 12.6°C4.9°C4.9°C9111.111.211 h
March 16.7°C8.7°C8.7°C17016.112.012 h
April 22.8°C14.4°C14.4°C19516.112.813 h
May 27.1°C19.4°C19.4°C22815.713.614 h
June 29.4°C23.1°C23.1°C33817.913.914 h
July 32.9°C26.3°C26.3°C18813.113.814 h
August, selected 32.5°C25.9°C25.9°C13613.413.213 h
September 29.1°C22.0°C22.0°C738.412.412 h
October 24.3°C16.5°C16.5°C536.111.512 h
November 18.3°C10.5°C10.5°C777.610.711 h
December 12.2°C4.7°C4.7°C487.010.410 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

August in nearby cities

Distance from Nanchang

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