Ganghwa-gun Climate by Month
Ganghwa-gun, Incheon, South Korea
Warm summers and freezing winters, with most rain from June to September.
The climate in Ganghwa-gun is one of warm summers and freezing winters, with most rain from June to September. August is the warmest month, with highs around 83°F (29°C); January is the coolest at 33°F (1°C), and nights dip to 18°F (-8°C). Of the 46 in (1179 mm) of rain in a typical year, 73% falls from June to September.
- Warmest month
- 83°F(29°C)
- Average high, August
- Coldest nights
- 18°F(-8°C)
- Average low, January
- Rain per year
- 46 in(1179 mm)
- Wettest: July
- Humidity
- 70%
- Sunniest: May
Best and worst months in Ganghwa-gun
Best for weatherThe most comfortable weather comes in May, September and October, with highs around 71°F (22°C) and about 3.5 in (88 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 33°F (1°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)
Ganghwa-gun weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(1°C) | 18°F(-8°C) | 0.6 in(14 mm) | 64% | 2.4 |
| FebFebruary | 39°F(4°C) | 22°F(-5°C) | 0.8 in(20 mm) | 70% | 3.2 |
| MarMarch | 49°F(10°C) | 32°F(0°C) | 1.3 in(34 mm) | 58% | 4.2 |
| AprApril | 62°F(17°C) | 43°F(6°C) | 2.4 in(60 mm) | 60% | 5.0 |
| MayMayBest | 71°F(22°C) | 54°F(12°C) | 3.6 in(91 mm) | 68% | 5.5 |
| JunJune | 78°F(26°C) | 63°F(17°C) | 4.6 in(118 mm) | 75% | 5.3 |
| JulJuly | 81°F(27°C) | 70°F(21°C) | 13 in(339 mm) | 83% | 4.2 |
| AugAugust | 83°F(29°C) | 71°F(22°C) | 11 in(268 mm) | 82% | 4.4 |
| SepSeptemberBest | 77°F(25°C) | 60°F(16°C) | 5.1 in(130 mm) | 75% | 4.2 |
| OctOctoberBest | 66°F(19°C) | 47°F(8°C) | 1.7 in(43 mm) | 70% | 3.6 |
| NovNovember | 51°F(11°C) | 34°F(1°C) | 1.7 in(44 mm) | 64% | 2.5 |
| DecDecember | 37°F(3°C) | 22°F(-6°C) | 0.7 in(18 mm) | 73% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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