What to pack for Osaka in April
- long sleeves and a warm layer
- a medium jacket
- a compact umbrella or rain shell — rain is frequent
Humidity averages 72%; max daily wind around 25 km/h.
How April compares
Best months in Osaka: April–May & October–November. See the full best time to visit Osaka guide.
Osaka in April: the details
In April, Osaka sees average daytime highs of 19°C (66°F) and overnight lows of 9°C (49°F). Rainfall totals roughly 159 mm across 9.5 rainy days, and the sun shines about 8.7 hours per day with 12.9 hours of daylight mid-month. Relative humidity averages 72%.
In context: April is the 7th-warmest month and the 7th-wettest in Osaka. The sunniest month is August (10.4 h/day).
| Metric | April average |
|---|---|
| Daytime high | 19°C / 66°F |
| Overnight low | 9°C / 49°F |
| Rainfall | 159 mm over 9.5 rainy days |
| Sunshine | 8.7 h/day (12.9 h daylight) |
| Humidity | 72% |
| Travel score | 9.2 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Osaka, Japan (34.69, 135.5) — see our methodology. Actual conditions vary year to year.
Not set on Osaka? Browse the best places to visit in April ranked by travel score.
Frequently asked questions
How hot is Osaka in April?
Daytime highs in Osaka in April average 19°C (66°F); nights drop to about 9°C.
Does it rain in Osaka in April?
Expect around 9.5 rainy days and 159 mm of rainfall in April.
Is April a good time to visit Osaka?
April is one of the best months to visit Osaka. Overall travel score: 9.2/10. The best months are April–May & October–November.
Also good in April, near Osaka
Where should you go next month?
Get one email a month with the destinations at their seasonal best. Double opt-in, unsubscribe anytime.