Climate averages 1991–2020

Zhangjiagang weather
in January.

A cold, moderately wet month: the coolest and the 5th driest of the year.

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

Average high 7.8°C Daytime mean, January
Average low 0.0°C Night-time mean, January
Rainfall 58 mm 8 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Zhangjiagang · average highYear overview

January is a cold month in Zhangjiagang: daytime highs average 7.8°C and nights cool to about 0.0°C. By daytime temperature it is the coolest month of the year.

Expect about 58 mm of rain on roughly 8 days, which makes January a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 19 min on an average January day.

The nearest other city in this atlas is Jiangyin (27 km away). In January its highs average 7.9°C, about as warm as Zhangjiagang, with 57 mm of rain.

Among the 884 cities listed in China, Zhangjiagang ranks joint 410th of 884 for the warmest January highs and joint 707th of 884 for the driest January (rainfall, lowest first). The mean January high of those 884 cities is 5.9°C; Zhangjiagang is 2.0°C warmer than that mean.

From January to February, average highs rise by 2.2°C to 10.0°C, and monthly rainfall falls from 58 mm to 57 mm.

The annual picture

January 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

Zhangjiagang climate table

1991–2020
Monthly climate averages for Zhangjiagang, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 7.8°C0.0°C0.0°C588.310.310 h
February 10.0°C1.5°C1.5°C578.511.011 h
March 14.3°C5.3°C5.3°C8210.712.012 h
April 20.2°C10.7°C10.7°C959.612.913 h
May 25.1°C16.2°C16.2°C1189.513.814 h
June 28.0°C20.6°C20.6°C24412.814.214 h
July 31.3°C25.0°C25.0°C19314.614.014 h
August 30.8°C24.8°C24.8°C16914.513.313 h
September 27.0°C20.3°C20.3°C879.312.412 h
October 22.3°C14.4°C14.4°C506.111.411 h
November 16.6°C8.5°C8.5°C527.010.611 h
December 10.2°C2.2°C2.2°C386.110.110 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

January in nearby cities

Distance from Zhangjiagang

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