Climate averages 1991–2020
Naesŏ weather
in July.
A hot, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Naesŏ: daytime highs average 28.2°C and nights cool to about 22.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 225 mm of rain on roughly 14 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 17 min on an average July day.
The nearest other city in this atlas is Changwon (15 km away). In July its highs average 27.7°C, about as warm as Naesŏ, with 246 mm of rain.
Among the 79 cities listed in South Korea, Naesŏ ranks joint 32nd of 79 for the warmest July highs and 16th of 79 for the driest July (rainfall, lowest first). The mean July high of those 79 cities is 27.8°C; Naesŏ is 0.4°C warmer than that mean.
From July to August, average highs rise by 0.9°C to 29.1°C, and monthly rainfall falls from 225 mm to 202 mm.
The annual picture
July in context
Monthly rainfall
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
Naesŏ climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.0°C-2.0°C | -2.0°C | 25 | 3.5 | 10.110 h |
| February | 8.4°C-0.8°C | -0.8°C | 35 | 4.3 | 10.911 h |
| March | 12.8°C2.9°C | 2.9°C | 70 | 6.9 | 11.912 h |
| April | 18.1°C8.0°C | 8.0°C | 97 | 7.7 | 13.113 h |
| May | 22.8°C13.2°C | 13.2°C | 105 | 7.8 | 14.014 h |
| June | 25.8°C17.8°C | 17.8°C | 152 | 9.4 | 14.514 h |
| July, selected | 28.2°C22.2°C | 22.2°C | 225 | 14.2 | 14.314 h |
| August | 29.1°C23.1°C | 23.1°C | 202 | 14.3 | 13.513 h |
| September | 25.5°C18.4°C | 18.4°C | 154 | 9.4 | 12.412 h |
| October | 20.6°C11.9°C | 11.9°C | 63 | 4.5 | 11.311 h |
| November | 14.1°C5.2°C | 5.2°C | 43 | 4.7 | 10.310 h |
| December | 7.9°C-0.4°C | -0.4°C | 25 | 3.2 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
- Changwon in JulySouth Korea · 15 kmHigh 27.7°C · Low 22.3°C · 246 mm rain
- Changnyeong in JulySouth Korea · 33 kmHigh 29.1°C · Low 21.6°C · 208 mm rain
- Kimhae in JulySouth Korea · 33 kmHigh 27.2°C · Low 22.3°C · 241 mm rain
- Chinju in JulySouth Korea · 40 kmHigh 28.5°C · Low 21.8°C · 279 mm rain
- Sinhyeon in JulySouth Korea · 42 kmHigh 25.6°C · Low 22.9°C · 252 mm rain
- Tongyeong in JulySouth Korea · 45 kmHigh 26.5°C · Low 22.7°C · 254 mm rain
- Yangsan in JulySouth Korea · 48 kmHigh 27.9°C · Low 22.4°C · 241 mm rain
- Busan in JulySouth Korea · 49 kmHigh 25.9°C · Low 22.3°C · 228 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 Naesŏ) is explained once on the Naesŏ year overview and on the Sources, method and limits page.