Climate averages 1991–2020
Changam-ch’on weather
in May.
A mild, moderately wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Changam-ch’on: daytime highs average 20.0°C and nights cool to about 9.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 69 mm of rain on roughly 9 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 25 min on an average May day.
The nearest other city in this atlas is Sinp’o (80 km away). In May its highs average 16.7°C, 3.3°C cooler than Changam-ch’on, with 76 mm of rain.
Among the 38 cities listed in North Korea, Changam-ch’on ranks joint 23rd of 38 for the warmest May highs and 1st of 38 for the driest May (rainfall, lowest first). The mean May high of those 38 cities is 20.2°C; Changam-ch’on is 0.2°C cooler than that mean.
From May to June, average highs rise by 3.5°C to 23.5°C, and monthly rainfall rises from 69 mm to 71 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Changam-ch’on climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.1°C-12.3°C | -12.3°C | 27 | 6.5 | 9.610 h |
| February | 1.5°C-10.3°C | -10.3°C | 23 | 5.6 | 10.611 h |
| March | 6.8°C-4.3°C | -4.3°C | 33 | 6.4 | 11.912 h |
| April | 14.6°C2.9°C | 2.9°C | 44 | 7.3 | 13.313 h |
| May, selected | 20.0°C9.3°C | 9.3°C | 69 | 9.0 | 14.414 h |
| June | 23.5°C14.6°C | 14.6°C | 71 | 9.0 | 15.015 h |
| July | 26.3°C19.0°C | 19.0°C | 155 | 12.8 | 14.815 h |
| August | 26.5°C19.4°C | 19.4°C | 177 | 14.9 | 13.814 h |
| September | 22.5°C13.9°C | 13.9°C | 103 | 8.9 | 12.513 h |
| October | 16.7°C6.9°C | 6.9°C | 48 | 6.5 | 11.211 h |
| November | 8.2°C-0.6°C | -0.6°C | 45 | 6.9 | 10.010 h |
| December | 0.9°C-9.4°C | -9.4°C | 32 | 6.3 | 9.39 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
- Sinp’o in MayNorth Korea · 80 kmHigh 16.7°C · Low 10.6°C · 76 mm rain
- Myŏnggan-dong in MayNorth Korea · 84 kmHigh 18.4°C · Low 8.0°C · 73 mm rain
- Hwasŏng in MayNorth Korea · 94 kmHigh 18.9°C · Low 8.1°C · 73 mm rain
- Hongwŏn in MayNorth Korea · 95 kmHigh 18.4°C · Low 10.1°C · 74 mm rain
- Hyesan in MayNorth Korea · 102 kmHigh 18.0°C · Low 5.5°C · 95 mm rain
- Ŏrang in MayNorth Korea · 119 kmHigh 16.8°C · Low 8.3°C · 78 mm rain
- Hŭngnam in MayNorth Korea · 129 kmHigh 18.1°C · Low 10.6°C · 83 mm rain
- Hamhŭng in MayNorth Korea · 130 kmHigh 19.2°C · Low 9.8°C · 88 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Changam-ch’on) is explained once on the Changam-ch’on year overview and on the Sources, method and limits page.