Best time to visit Osaka
The best months to visit Osaka are October, May and April, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
October, May and April score best for Osaka weather:
- April20° / 11°CApril is peak walking season, with cherry blossoms around Osaka Castle and heavy Kyoto-Nara day-trip demand.
- May25° / 16°CMay is warm and comfortable after Golden Week, strong for Bay Area days and long Minami evenings.
- October24° / 16°COctober is comfortable and food-friendly, with better nights in Shinsekai, Dōtonbori, and riverside Nakanoshima.
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By TripSapien Research · Updated May 20, 2026
Osaka weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 10° | 3° | 57 | 12 | 10h | 9° |
| February | 11° | 3° | 63 | 13 | 11h | 7° |
| March | 15° | 6° | 107 | 16 | 11h | 10° |
| AprilBest weather | 20° | 11° | 120 | 15 | 13h | 15° |
| MayBest weather | 25° | 16° | 149 | 15 | 14h | 20° |
| June | 28° | 21° | 180 | 18 | 14h | 24° |
| July | 32° | 25° | 188 | 21 | 15h | 30° |
| August | 34° | 26° | 120 | 20 | 14h | 31° |
| September | 30° | 22° | 159 | 17 | 13h | 29° |
| OctoberBest weather | 24° | 16° | 145 | 13 | 12h | 25° |
| November | 18° | 10° | 80 | 11 | 11h | 17° |
| December | 12° | 5° | 59 | 11 | 10h | 13° |
Temperatures in °C. Long-term monthly averages.
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Osaka month by month
January
Osaka in January: 9.5°C high, 2.6°C low, 56.7mm rain over 12 days, 10.1h daylight. Mild and dry — shoulder-season sweet spot.
February
Osaka in February: 10.5°C high, 2.8°C low, 63.1mm rain over 13 days, 10.5h daylight. Mild but rainy — flexible plans pay off.
March
Osaka in March: 14.5°C high, 5.5°C low, 107mm rain over 16 days, 11.4h daylight. Mild but rainy — flexible plans pay off.
AprilBest weather
Osaka in April: 19.8°C high, 10.6°C low, 120.4mm rain over 15 days, 12.6h daylight. Mild but rainy — flexible plans pay off.
MayBest weather
Osaka in May: 24.7°C high, 16°C low, 148.9mm rain over 15 days, 13.6h daylight. Mild but rainy — flexible plans pay off.
June
Osaka in June: 27.8°C high, 20.6°C low, 179.9mm rain over 18 days, 14.3h daylight. Mild but rainy — flexible plans pay off.
July
Osaka in July: 31.6°C high, 25°C low, 188.4mm rain over 21 days, 14.5h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
August
Osaka in August: 33.6°C high, 26.1°C low, 120.3mm rain over 20 days, 13.9h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
September
Osaka in September: 29.5°C high, 22.2°C low, 159.3mm rain over 17 days, 12.9h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
OctoberBest weather
Osaka in October: 23.7°C high, 15.8°C low, 144.6mm rain over 13 days, 11.8h daylight. Mild but rainy — flexible plans pay off.
November
Osaka in November: 17.8°C high, 9.9°C low, 80.2mm rain over 11 days, 10.8h daylight. Mild and dry — shoulder-season sweet spot.
December
Osaka in December: 12.1°C high, 4.9°C low, 58.5mm rain over 11 days, 10h daylight. Mild and dry — shoulder-season sweet spot.
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