Climate averages 1991–2020

Kaech’ŏn weather
in May.

A mild, wet month: the 5th warmest and the 8th driest of the year.

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

Average high 21.6°C Daytime mean, May
Average low 10.3°C Night-time mean, May
Rainfall 112 mm 10 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Kaech’ŏn · average highYear overview

May is a mild month in Kaech’ŏn: daytime highs average 21.6°C and nights cool to about 10.3°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 112 mm of rain on roughly 10 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 20 min on an average May day.

The nearest other city in this atlas is Sunch’ŏn (30 km away). In May its highs average 21.5°C, about as warm as Kaech’ŏn, with 108 mm of rain.

Among the 38 cities listed in North Korea, Kaech’ŏn ranks joint 11th of 38 for the warmest May highs and 37th of 38 for the driest May (rainfall, lowest first). The mean May high of those 38 cities is 20.2°C; Kaech’ŏn is 1.4°C warmer than that mean.

From May to June, average highs rise by 4.3°C to 25.9°C, and monthly rainfall rises from 112 mm to 136 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. -15-10-505101520253035 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 4000

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

Every month, side by side

Kaech’ŏn climate table

1991–2020
Monthly climate averages for Kaech’ŏn, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -1.4°C-12.5°C-12.5°C153.19.710 h
February 2.6°C-8.1°C-8.1°C244.410.711 h
March 8.9°C-2.2°C-2.2°C345.911.912 h
April 15.9°C3.5°C3.5°C657.713.213 h
May, selected 21.6°C10.3°C10.3°C1129.614.314 h
June 25.9°C16.2°C16.2°C13612.514.915 h
July 27.8°C20.6°C20.6°C35118.414.715 h
August 28.1°C20.6°C20.6°C28516.013.714 h
September 24.1°C14.5°C14.5°C1178.112.512 h
October 17.2°C6.7°C6.7°C617.711.211 h
November 8.3°C-0.6°C-0.6°C648.210.010 h
December 0.5°C-8.3°C-8.3°C305.99.49 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

May in nearby cities

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