Climate averages 1991–2020

Hongwŏn weather
in August.

A warm, very wet month: the warmest and the wettest of the year.

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

Average high 25.5°C Daytime mean, August
Average low 20.4°C Night-time mean, August
Rainfall 182 mm 12 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Hongwŏn · average highYear overview

August is a warm month in Hongwŏn: daytime highs average 25.5°C and nights cool to about 20.4°C. By daytime temperature it is the warmest month of the year.

Expect about 182 mm of rain on roughly 12 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 45 min on an average August day.

The nearest other city in this atlas is Sinp’o (20 km away). In August its highs average 24.7°C, 0.8°C cooler than Hongwŏn, with 175 mm of rain.

Among the 38 cities listed in North Korea, Hongwŏn ranks joint 32nd of 38 for the warmest August highs and 8th of 38 for the driest August (rainfall, lowest first). The mean August high of those 38 cities is 27.1°C; Hongwŏn is 1.6°C cooler than that mean.

From August to September, average highs fall by 3.8°C to 21.7°C, and monthly rainfall falls from 182 mm to 102 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. -15-10-5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

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

Every month, side by side

Hongwŏn climate table

1991–2020
Monthly climate averages for Hongwŏn, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -0.2°C-9.2°C-9.2°C305.89.710 h
February 1.8°C-7.4°C-7.4°C255.210.711 h
March 6.8°C-1.8°C-1.8°C305.311.912 h
April 13.3°C3.9°C3.9°C466.213.213 h
May 18.4°C10.1°C10.1°C747.414.414 h
June 22.0°C15.3°C15.3°C747.015.015 h
July 25.0°C19.7°C19.7°C17212.214.715 h
August, selected 25.5°C20.4°C20.4°C18212.313.814 h
September 21.7°C15.4°C15.4°C1028.312.512 h
October 16.3°C8.7°C8.7°C516.811.211 h
November 8.7°C1.6°C1.6°C568.010.010 h
December 2.1°C-5.6°C-5.6°C356.59.49 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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 Hongwŏn

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