Climate averages 1991–2020

Beihai weather
in August.

A hot, very wet month: the joint 2nd warmest and the 11th driest of the year.

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

Average high 30.0°C Daytime mean, August

Average low 27.0°C Night-time mean, August

Rainfall 439 mm 25 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

August is a hot month in Beihai: daytime highs average 30.0°C and nights cool to about 27.0°C. By daytime temperature it is the joint 2nd warmest of the 12 months.

Expect about 439 mm of rain on roughly 25 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 52 min on an average August day.

The nearest other city in this atlas is Hepu (21 km away). In August its highs average 30.7°C, 0.7°C warmer than Beihai, with 343 mm of rain.

Among the 884 cities listed in China, Beihai ranks joint 434th of 884 for the warmest August highs and 883rd of 884 for the driest August (rainfall, lowest first). The mean August high of those 884 cities is 29.3°C; Beihai is 0.8°C warmer than that mean.

From August to September, average highs fall by 0.6°C to 29.5°C, and monthly rainfall falls from 439 mm to 267 mm.

The annual picture

August 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

Beihai climate table

1991–2020

Monthly climate averages for Beihai, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	18.5°C13.6°C	13.6°C	53	8.9	11.011 h
February	19.9°C15.2°C	15.2°C	43	7.9	11.411 h
March	22.9°C18.1°C	18.1°C	63	10.1	12.012 h
April	26.3°C22.1°C	22.1°C	79	10.0	12.613 h
May	28.9°C25.2°C	25.2°C	197	17.0	13.113 h
June	30.0°C27.2°C	27.2°C	399	22.8	13.413 h
July	30.2°C27.5°C	27.5°C	463	23.4	13.313 h
August, selected	30.0°C27.0°C	27.0°C	439	24.7	12.913 h
September	29.5°C25.8°C	25.8°C	267	19.2	12.312 h
October	27.7°C23.2°C	23.2°C	89	9.1	11.712 h
November	24.4°C19.3°C	19.3°C	55	7.0	11.111 h
December	20.1°C15.0°C	15.0°C	45	6.1	10.911 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 Beihai

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