Climate averages 1991–2020

Heshan weather
in March.

A mild, wet month: the 9th warmest and the 8th driest of the year.

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

Average high 16.1°C Daytime mean, March

Average low 8.2°C Night-time mean, March

Rainfall 156 mm 16 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a mild month in Heshan: daytime highs average 16.1°C and nights cool to about 8.2°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 156 mm of rain on roughly 16 days, which makes March a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average March day.

The nearest other city in this atlas is Changsha (74 km away). In March its highs average 16.5°C, about as warm as Heshan, with 180 mm of rain.

Among the 884 cities listed in China, Heshan ranks joint 316th of 884 for the warmest March highs and joint 830th of 884 for the driest March (rainfall, lowest first). The mean March high of those 884 cities is 14.4°C; Heshan is 1.7°C warmer than that mean.

From March to April, average highs rise by 5.9°C to 22.0°C, and monthly rainfall rises from 156 mm to 183 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Heshan climate table

1991–2020

Monthly climate averages for Heshan, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	9.0°C2.2°C	2.2°C	75	11.1	10.511 h
February	11.7°C4.4°C	4.4°C	88	11.9	11.211 h
March, selected	16.1°C8.2°C	8.2°C	156	15.8	12.012 h
April	22.0°C13.8°C	13.8°C	183	16.1	12.813 h
May	26.2°C18.4°C	18.4°C	225	15.5	13.614 h
June	29.0°C22.5°C	22.5°C	295	16.7	13.914 h
July	32.0°C25.6°C	25.6°C	216	15.2	13.814 h
August	31.5°C25.0°C	25.0°C	154	15.0	13.213 h
September	27.7°C20.8°C	20.8°C	92	10.2	12.412 h
October	22.7°C15.3°C	15.3°C	75	8.7	11.512 h
November	17.0°C9.6°C	9.6°C	76	9.3	10.811 h
December	11.4°C4.2°C	4.2°C	51	8.3	10.410 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

March in nearby cities

Distance from Heshan

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