Climate averages 1991–2020

Menghuan weather
in May.

A hot, wet month: the 2nd warmest and the 8th driest of the year.

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

Average high 28.8°C Daytime mean, May
Average low 20.0°C Night-time mean, May
Rainfall 158 mm 18 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Menghuan · average highYear overview

May is a hot month in Menghuan: daytime highs average 28.8°C and nights cool to about 20.0°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 158 mm of rain on roughly 18 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 19 min on an average May day.

The nearest other city in this atlas is Longling County (20 km away). In May its highs average 24.5°C, 4.3°C cooler than Menghuan, with 206 mm of rain.

Among the 884 cities listed in China, Menghuan ranks joint 66th of 884 for the warmest May highs and joint 609th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Menghuan is 3.6°C warmer than that mean.

From May to June, average highs fall by 1.3°C to 27.5°C, and monthly rainfall rises from 158 mm to 279 mm.

The annual picture

May 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. 5101520253035 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 4500

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

Every month, side by side

Menghuan climate table

1991–2020
Monthly climate averages for Menghuan, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 21.8°C10.4°C10.4°C263.510.811 h
February 24.1°C12.6°C12.6°C254.411.311 h
March 27.5°C16.2°C16.2°C406.512.012 h
April 29.2°C18.7°C18.7°C6910.912.713 h
May, selected 28.8°C20.0°C20.0°C15817.813.313 h
June 27.5°C21.1°C21.1°C27927.113.614 h
July 26.7°C21.2°C21.2°C42830.513.513 h
August 27.6°C21.2°C21.2°C37530.113.013 h
September 27.7°C20.5°C20.5°C22125.912.312 h
October 26.3°C18.3°C18.3°C12817.711.612 h
November 24.1°C14.3°C14.3°C445.811.011 h
December 22.1°C11.2°C11.2°C152.610.711 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

May in nearby cities

Distance from Menghuan

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