Weather in Osan in April
Osan, South Korea averages a high of 17.2°C (63°F) and low of 5.8°C (42.4°F) in April, with 7 rain days and 9.8 hours of daily sunshine. Travel score: 76.1/100 (Good). The best time to visit Osan is June.
High
17°C63°F
Low
6°C42°F
🌧️
7
rain days
☀️
9.8
hrs/day sunshine
💧
67%
humidity
76— Good
April in Osan is mild and mostly dry — good for most activities.
What are the average temperatures in Osan?
How much does it rain in Osan in April?
Osan receives an average of 66.9mm of rainfall across 7 rainy days in April. The annual total is 1139.8mm.
What should I pack for Osan in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 17°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to South Korea in April?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31