+37.1522° · +127.0706° · ELEV 0m
Osan
South Korea · Gyeonggi-do
Monthly weather averages for Osan, South Korea — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Osan has a continental climate. The warmest month is July (30°C average high) and the coolest is January (3°C).
№ 02
1155 mm / yearRainfall by Month
Osan sees 1155 mm of rain a year. The wettest month is August (267 mm); the driest is January (19 mm).
№ 03
April–JuneBest Time to Visit
April–June
6°C – 27°C · 9.9h sun
The best time to visit Osan is April–June, when temperatures average 6°C–27°C with 9.9 sunshine hours per day.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 2.8°C | -5.8°C | 19 mm | 7.7 h | 07:44 | 17:36 |
|---|---|---|---|---|---|---|
| February | 5.4°C | -4.3°C | 24 mm | 8.6 h | 07:21 | 18:10 |
| March | 12.2°C | 0.3°C | 39 mm | 9.2 h | 06:43 | 18:37 |
| April | 18.2°C | 6.1°C | 65 mm | 9.6 h | 05:57 | 19:05 |
| May | 23.5°C | 11.5°C | 97 mm | 10.2 h | 05:23 | 19:32 |
| June | 27.4°C | 17.3°C | 106 mm | 9.9 h | 05:11 | 19:53 |
| July | 29.5°C | 21.8°C | 259 mm | 8.6 h | 05:22 | 19:51 |
| August | 29.4°C | 22.2°C | 267 mm | 8.8 h | 05:47 | 19:25 |
| September | 25.5°C | 16.8°C | 123 mm | 8.5 h | 06:13 | 18:41 |
| October | 19.0°C | 9.2°C | 72 mm | 8.6 h | 06:38 | 17:56 |
| November | 11.9°C | 2.3°C | 55 mm | 7.2 h | 07:10 | 17:22 |
| December | 3.9°C | -4.7°C | 29 mm | 7.2 h | 07:37 | 17:15 |
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Temperature, rainfall and sunshine, month by month.