Osaka weather in April
April in Osaka: nice, rainy — one of the best months to visit.
#2 of 12 months in Osaka · #239 of 604 destinations to visit in April · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Osaka climate normals — April
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 145 mm / 5.7 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 9°C / 49°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 13.1 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 70 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Osaka in April — FAQ
- Is April a good time to visit Osaka?
- April in Osaka: nice, rainy — one of the best months to visit. It ranks #2 of 12 months for Osaka on SeasonMap's comfort score (82/100).
- What is the weather like in Osaka in April?
- In April, Osaka averages a daily high of 18.3°C and a low of 9.7°C, with about 145.1 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Osaka in April?
- Osaka has a mean US Air Quality Index of about 70 in April.