Koesan Climate by Month
Koesan, North Chungcheong, South Korea
Warm summers and cold winters, with most rain from May to September.
Koesan has warm summers and cold winters, with most rain from May to September. Afternoon highs range from 36°F (2°C) in January to 84°F (29°C) in August, and January nights average 17°F (-8°C). It gets 47 in (1191 mm) of rain a year, 76% of it from May to September.
- Warmest month
- 84°F(29°C)
- Average high, August
- Coldest nights
- 17°F(-8°C)
- Average low, January
- Rain per year
- 47 in(1191 mm)
- Wettest: July
- Humidity
- 68%
- Sunniest: May
Best and worst months in Koesan
Best for weatherMay is the best time for weather in Koesan: highs near 75°F (24°C) and about 3.4 in (87 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 36°F (2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Koesan weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 17°F(-8°C) | 0.8 in(20 mm) | 61% | 2.4 |
| FebFebruary | 42°F(5°C) | 22°F(-6°C) | 1.1 in(29 mm) | 67% | 3.2 |
| MarMarch | 53°F(12°C) | 30°F(-1°C) | 1.8 in(46 mm) | 57% | 4.1 |
| AprApril | 66°F(19°C) | 41°F(5°C) | 3.0 in(77 mm) | 50% | 5.0 |
| MayMayBest | 75°F(24°C) | 52°F(11°C) | 3.4 in(87 mm) | 60% | 5.5 |
| JunJune | 82°F(28°C) | 62°F(17°C) | 5.4 in(137 mm) | 68% | 5.3 |
| JulJuly | 84°F(29°C) | 69°F(21°C) | 12 in(306 mm) | 81% | 4.4 |
| AugAugust | 84°F(29°C) | 69°F(21°C) | 9.5 in(242 mm) | 80% | 4.4 |
| SepSeptember | 77°F(25°C) | 57°F(14°C) | 5.4 in(138 mm) | 79% | 4.0 |
| OctOctober | 67°F(20°C) | 44°F(6°C) | 1.8 in(46 mm) | 73% | 3.5 |
| NovNovember | 53°F(12°C) | 32°F(0°C) | 1.5 in(38 mm) | 65% | 2.5 |
| DecDecember | 40°F(4°C) | 20°F(-7°C) | 1.0 in(25 mm) | 71% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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