Climate averages 1991–2020
Gunsan weather
in June.
A warm, wet month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Gunsan: daytime highs average 24.0°C and nights cool to about 17.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 126 mm of rain on roughly 8 days, which makes June a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 33 min on an average June day.
The nearest other city in this atlas is Iksan (22 km away). In June its highs average 26.5°C, 2.4°C warmer than Gunsan, with 133 mm of rain.
Among the 79 cities listed in South Korea, Gunsan ranks joint 65th of 79 for the warmest June highs and joint 31st of 79 for the driest June (rainfall, lowest first). The mean June high of those 79 cities is 25.7°C; Gunsan is 1.7°C cooler than that mean.
From June to July, average highs rise by 2.8°C to 26.8°C, and monthly rainfall rises from 126 mm to 255 mm.
The annual picture
June 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
Gunsan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.4°C-2.1°C | -2.1°C | 23 | 5.1 | 10.010 h |
| February | 5.2°C-1.3°C | -1.3°C | 31 | 4.6 | 10.911 h |
| March | 9.4°C2.3°C | 2.3°C | 48 | 6.7 | 11.912 h |
| April | 15.0°C7.3°C | 7.3°C | 81 | 7.2 | 13.113 h |
| May | 20.0°C12.8°C | 12.8°C | 87 | 7.2 | 14.114 h |
| June, selected | 24.0°C17.8°C | 17.8°C | 126 | 8.0 | 14.615 h |
| July | 26.8°C22.3°C | 22.3°C | 255 | 14.4 | 14.314 h |
| August | 28.0°C23.3°C | 23.3°C | 225 | 14.0 | 13.514 h |
| September | 24.4°C18.7°C | 18.7°C | 144 | 8.3 | 12.412 h |
| October | 18.9°C12.4°C | 12.4°C | 58 | 4.9 | 11.311 h |
| November | 12.2°C5.9°C | 5.9°C | 44 | 6.4 | 10.310 h |
| December | 5.8°C0.0°C | 0.0°C | 27 | 5.7 | 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
June in nearby cities
- Iksan in JuneSouth Korea · 22 kmHigh 26.5°C · Low 17.3°C · 133 mm rain
- Boryeong in JuneSouth Korea · 42 kmHigh 24.6°C · Low 18.0°C · 122 mm rain
- Jeonju in JuneSouth Korea · 43 kmHigh 26.4°C · Low 17.3°C · 149 mm rain
- Jeongeup in JuneSouth Korea · 46 kmHigh 26.4°C · Low 17.7°C · 157 mm rain
- Koch'ang in JuneSouth Korea · 61 kmHigh 25.9°C · Low 17.8°C · 147 mm rain
- Gongju in JuneSouth Korea · 65 kmHigh 27.9°C · Low 18.1°C · 126 mm rain
- Hongseong in JuneSouth Korea · 69 kmHigh 26.9°C · Low 17.6°C · 122 mm rain
- Daejeon in JuneSouth Korea · 73 kmHigh 27.6°C · Low 17.9°C · 123 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 Gunsan) is explained once on the Gunsan year overview and on the Sources, method and limits page.