Climate averages 1991–2020

Yên Bái weather
in August.

A hot, very wet month: the 3rd warmest and the wettest of the year.

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

Average high 30.6°C Daytime mean, August
Average low 24.9°C Night-time mean, August
Rainfall 415 mm 25 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Yên Bái · average highYear overview

August is a hot month in Yên Bái: daytime highs average 30.6°C and nights cool to about 24.9°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 415 mm of rain on roughly 25 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 53 min on an average August day.

The nearest other city in this atlas is Tuyên Quang (33 km away). In August its highs average 31.3°C, 0.7°C warmer than Yên Bái, with 412 mm of rain.

Among the 136 cities listed in Vietnam, Yên Bái ranks joint 70th of 136 for the warmest August highs and 135th of 136 for the driest August (rainfall, lowest first). The mean August high of those 136 cities is 30.5°C; Yên Bái is 0.2°C warmer than that mean.

From August to September, average highs fall by 1.1°C to 29.5°C, and monthly rainfall falls from 415 mm to 229 mm.

The annual picture

August 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. 101520253035 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

Yên Bái climate table

1991–2020
Monthly climate averages for Yên Bái, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 18.3°C13.6°C13.6°C439.011.011 h
February 20.4°C14.9°C14.9°C337.311.411 h
March 24.0°C17.9°C17.9°C7010.512.012 h
April 27.9°C21.3°C21.3°C12613.112.613 h
May 30.0°C23.7°C23.7°C29420.013.213 h
June 31.2°C25.1°C25.1°C39823.113.413 h
July 30.9°C25.1°C25.1°C40725.613.313 h
August, selected 30.6°C24.9°C24.9°C41525.012.913 h
September 29.5°C24.0°C24.0°C22919.612.312 h
October 27.1°C22.0°C22.0°C11512.511.712 h
November 23.8°C18.5°C18.5°C648.011.111 h
December 19.7°C14.7°C14.7°C417.910.811 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

August in nearby cities

Distance from Yên Bái

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