Climate averages 1991–2020

Mengzi weather
in May.

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

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

Average high 26.7°C Daytime mean, May
Average low 18.0°C Night-time mean, May
Rainfall 164 mm 20 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Mengzi · average highYear overview

May is a warm month in Mengzi: daytime highs average 26.7°C and nights cool to about 18.0°C. By daytime temperature it is the warmest month of the year.

Expect about 164 mm of rain on roughly 20 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average May day.

The nearest other city in this atlas is Gejiu (23 km away). In May its highs average 24.7°C, 2.0°C cooler than Mengzi, with 113 mm of rain.

Among the 884 cities listed in China, Mengzi ranks joint 278th of 884 for the warmest May highs and joint 624th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Mengzi is 1.5°C warmer than that mean.

From May to June, average highs fall by 0.2°C to 26.5°C, and monthly rainfall rises from 164 mm to 230 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. 51015202530 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 3000

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

Every month, side by side

Mengzi climate table

1991–2020
Monthly climate averages for Mengzi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 16.6°C8.4°C8.4°C367.610.911 h
February 19.4°C10.2°C10.2°C287.111.411 h
March 23.5°C13.4°C13.4°C5811.512.012 h
April 25.9°C16.2°C16.2°C9116.012.713 h
May, selected 26.7°C18.0°C18.0°C16420.413.313 h
June 26.5°C19.5°C19.5°C23024.513.514 h
July 25.9°C19.5°C19.5°C28127.113.413 h
August 25.9°C19.2°C19.2°C27326.412.913 h
September 24.8°C17.9°C17.9°C14320.112.312 h
October 22.3°C15.5°C15.5°C8415.111.612 h
November 19.9°C11.9°C11.9°C397.311.011 h
December 16.6°C8.5°C8.5°C275.810.711 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 Mengzi

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