Climate averages 1991–2020
Hyesan weather
in July.
A warm, wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Hyesan: daytime highs average 24.9°C and nights cool to about 15.4°C. By daytime temperature it is the warmest month of the year.
Expect about 164 mm of rain on roughly 17 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 51 min on an average July day.
The nearest other city in this atlas is Changam-ch’on (102 km away). In July its highs average 26.3°C, 1.4°C warmer than Hyesan, with 155 mm of rain.
Among the 38 cities listed in North Korea, Hyesan ranks 35th of 38 for the warmest July highs and 6th of 38 for the driest July (rainfall, lowest first). The mean July high of those 38 cities is 26.7°C; Hyesan is 1.8°C cooler than that mean.
From July to August, average highs fall by 0.4°C to 24.4°C, and monthly rainfall falls from 164 mm to 136 mm.
The annual picture
July 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
Hyesan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -8.0°C-20.9°C | -20.9°C | 10 | 3.1 | 9.610 h |
| February | -4.2°C-17.6°C | -17.6°C | 18 | 4.6 | 10.611 h |
| March | 2.3°C-9.2°C | -9.2°C | 33 | 7.9 | 11.912 h |
| April | 11.0°C-0.4°C | -0.4°C | 56 | 10.5 | 13.313 h |
| May | 18.0°C5.5°C | 5.5°C | 95 | 14.9 | 14.514 h |
| June | 22.3°C11.2°C | 11.2°C | 97 | 15.5 | 15.115 h |
| July, selected | 24.9°C15.4°C | 15.4°C | 164 | 17.3 | 14.815 h |
| August | 24.4°C15.1°C | 15.1°C | 136 | 14.2 | 13.814 h |
| September | 19.7°C8.8°C | 8.8°C | 70 | 7.9 | 12.513 h |
| October | 12.1°C1.3°C | 1.3°C | 43 | 7.6 | 11.111 h |
| November | 2.5°C-7.5°C | -7.5°C | 38 | 7.7 | 9.910 h |
| December | -6.0°C-18.0°C | -18.0°C | 18 | 5.2 | 9.29 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
July in nearby cities
- Changam-ch’on in JulyNorth Korea · 102 kmHigh 26.3°C · Low 19.0°C · 155 mm rain
- Hwasŏng in JulyNorth Korea · 111 kmHigh 25.2°C · Low 18.1°C · 143 mm rain
- Myŏnggan-dong in JulyNorth Korea · 114 kmHigh 25.2°C · Low 18.1°C · 143 mm rain
- Ŏrang in JulyNorth Korea · 123 kmHigh 23.8°C · Low 18.2°C · 148 mm rain
- Chongjin in JulyNorth Korea · 140 kmHigh 22.4°C · Low 18.0°C · 190 mm rain
- Kanggye in JulyNorth Korea · 142 kmHigh 26.7°C · Low 18.7°C · 252 mm rain
- Helong in JulyChina · 144 kmHigh 26.2°C · Low 17.1°C · 177 mm rain
- Sinp’o in JulyNorth Korea · 151 kmHigh 23.9°C · Low 19.9°C · 169 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 Hyesan) is explained once on the Hyesan year overview and on the Sources, method and limits page.