Climate averages 1991–2020

Hechuan weather
in December.

A cool, fairly dry month: the 11th warmest and the 3rd driest of the year.

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

Average high 12.4°C Daytime mean, December
Average low 6.9°C Night-time mean, December
Rainfall 34 mm 8 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Hechuan · average highYear overview

December is a cool month in Hechuan: daytime highs average 12.4°C and nights cool to about 6.9°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 34 mm of rain on roughly 8 days, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 15 min on an average December day.

The nearest other city in this atlas is Beibei (25 km away). In December its highs average 12.4°C, about as warm as Hechuan, with 37 mm of rain.

Among the 884 cities listed in China, Hechuan ranks joint 196th of 884 for the warmest December highs and joint 582nd of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Hechuan is 4.8°C warmer than that mean.

From December to January, average highs fall by 1.2°C to 11.2°C, and monthly rainfall falls from 34 mm to 26 mm.

The annual picture

December 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 2000

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

Every month, side by side

Hechuan climate table

1991–2020
Monthly climate averages for Hechuan, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 11.2°C5.3°C5.3°C267.010.410 h
February 13.8°C7.1°C7.1°C297.611.111 h
March 18.0°C10.4°C10.4°C6512.012.012 h
April 23.0°C14.7°C14.7°C10613.312.913 h
May 26.3°C18.4°C18.4°C14614.913.614 h
June 28.9°C21.9°C21.9°C17215.414.014 h
July 32.0°C24.9°C24.9°C18215.513.914 h
August 32.3°C25.0°C25.0°C15715.013.213 h
September 27.6°C21.1°C21.1°C11713.112.412 h
October 21.8°C16.3°C16.3°C9514.911.511 h
November 17.4°C11.6°C11.6°C6010.610.711 h
December, selected 12.4°C6.9°C6.9°C348.210.310 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

December in nearby cities

Distance from Hechuan

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