Climate averages 1991–2020

Sunch’ŏn weather
in August.

A warm, very wet month: the warmest and the 11th driest of the year.

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

Average high 27.8°C Daytime mean, August
Average low 20.6°C Night-time mean, August
Rainfall 270 mm 16 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Sunch’ŏn · average highYear overview

August is a warm month in Sunch’ŏn: daytime highs average 27.8°C and nights cool to about 20.6°C. By daytime temperature it is the warmest month of the year.

Expect about 270 mm of rain on roughly 16 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average August day.

The nearest other city in this atlas is P’yŏngsŏng (21 km away). In August its highs average 28.0°C, about as warm as Sunch’ŏn, with 244 mm of rain.

Among the 38 cities listed in North Korea, Sunch’ŏn ranks 18th of 38 for the warmest August highs and 35th of 38 for the driest August (rainfall, lowest first). The mean August high of those 38 cities is 27.1°C; Sunch’ŏn is 0.7°C warmer than that mean.

From August to September, average highs fall by 3.9°C to 23.9°C, and monthly rainfall falls from 270 mm to 110 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 3500

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

Every month, side by side

Sunch’ŏn climate table

1991–2020
Monthly climate averages for Sunch’ŏn, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.5°C-11.2°C-11.2°C143.19.710 h
February 2.5°C-7.3°C-7.3°C244.310.711 h
March 8.7°C-2.2°C-2.2°C325.811.912 h
April 15.8°C3.8°C3.8°C637.613.213 h
May 21.5°C10.3°C10.3°C1089.114.314 h
June 25.8°C16.2°C16.2°C13111.714.915 h
July 27.5°C20.4°C20.4°C33018.114.715 h
August, selected 27.8°C20.6°C20.6°C27015.713.714 h
September 23.9°C14.8°C14.8°C1107.912.512 h
October 17.1°C7.1°C7.1°C577.311.211 h
November 8.3°C-0.3°C-0.3°C608.010.110 h
December 0.5°C-7.8°C-7.8°C295.99.49 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 Sunch’ŏn

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 Sunch’ŏn) is explained once on the Sunch’ŏn year overview and on the Sources, method and limits page.