When to go · Osaka
Osaka in April
Good month. Blossom crowds at Osaka Castle; book early.
Key facts
- Verdict
- Good
- Temperature
- 20°C (68°F)68°F (20°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 10
- Crowds
- High
- Japan overall
- Prices
- High
- Japan overall
Verdict
Blossom crowds at Osaka Castle; book early.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than April?
April is rated good. These months rate higher:
Weather in April
- OsakaHighs around 20 °C (68 °F), lows around 11 °C (52 °F), rain on about 10 daysHighs around 68 °F (20 °C), lows around 52 °F (11 °C), rain on about 10 days
- Honshū cities, Japan · Tokyo, Kyoto, Osaka, Hiroshimabest weather
Rainy season June to mid-July; humid heat July–August; typhoon risk peaks in September.
Spring season
Plum blossom in the castle park in February, cherry blossom late March to early April, the Mint Bureau passage in mid-April.
Watch: Golden Week (late Apr–early May): full trains and hotels.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Cherry blossom check
Usually late March to early April · Osaka Castle Park, Kema Sakuranomiya Park, Expo '70 Park
The castle park and riverside are packed from dawn; hotel prices peak.
Mint Bureau cherry-blossom passage check
About one week in mid-April · Japan Mint, Temmabashi
A 560 m riverside lane of late-blooming varieties opens to the public; long queues, pre-registration in some years (check).
Golden Week
About 29 April – 5 May · Nationwide
Trains to Kyoto and Nara full, USJ at peak; Osaka hotels expensive.
Crowds and prices
- Crowds · Japan overall
- High
- Prices · Japan overall
- High
Japan overall: Blossom peak early April and Golden Week at the end: the two most crowded windows of the year.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Osaka, side by side.
Verdict
Apr: Good
May: Great (better)
Daytime high
Apr: 20 °C (68 °F)68 °F (20 °C)
May: 25 °C (77 °F)77 °F (25 °C)
Night low
Apr: 11 °C (52 °F)52 °F (11 °C)
May: 16 °C (61 °F)61 °F (16 °C)
Rain days
Apr: 10
May: 10
Crowds
Apr: High
May: Medium
Prices
Apr: High
May: Medium
Festivals listed
Apr: 3
May: 1
April: Blossom crowds at Osaka Castle; book early.
May: Avoid Golden Week.
Osaka: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast