Climate averages 1991–2020

Chenggu weather
in August.

A warm, wet month: the 2nd warmest and the 10th driest of the year.

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

Average high 27.8°C Daytime mean, August
Average low 20.8°C Night-time mean, August
Rainfall 169 mm 16 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Chenggu · average highYear overview

August is a warm month in Chenggu: daytime highs average 27.8°C and nights cool to about 20.8°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 169 mm of rain on roughly 16 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 23 min on an average August day.

The nearest other city in this atlas is Hanzhong (29 km away). In August its highs average 27.5°C, about as warm as Chenggu, with 182 mm of rain.

Among the 884 cities listed in China, Chenggu ranks joint 663rd of 884 for the warmest August highs and joint 542nd of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Chenggu is 1.4°C cooler than that mean.

From August to September, average highs fall by 4.8°C to 23.0°C, and monthly rainfall rises from 169 mm to 198 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. -505101520253035 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

Chenggu climate table

1991–2020
Monthly climate averages for Chenggu, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 7.2°C-0.7°C-0.7°C225.910.210 h
February 9.8°C1.2°C1.2°C347.511.011 h
March 14.4°C4.7°C4.7°C539.912.012 h
April 20.0°C9.6°C9.6°C6911.013.013 h
May 23.6°C14.0°C14.0°C10912.413.914 h
June 26.9°C18.1°C18.1°C13711.614.314 h
July 28.5°C21.2°C21.2°C22418.114.114 h
August, selected 27.8°C20.8°C20.8°C16916.213.413 h
September 23.0°C16.6°C16.6°C19815.712.412 h
October 18.2°C11.4°C11.4°C12114.211.411 h
November 13.2°C5.6°C5.6°C6810.110.510 h
December 8.4°C0.5°C0.5°C276.210.010 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 Chenggu

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