Yearly weather and climate in Osaka, Japan

The yearly weather in Osaka runs from around 1°C in January to 33°C in August. December is the driest month at 6 rainy days; July the wettest at 17. Here is the annual climate data, so you know what you are packing for.

Best time to visit

Weather is fairly consistent year-round. Pack for stable conditions.

Sunshine

Expect up to 10.4 hours of clear skies in Aug, but only 7.4 hours in Jan. Pack sunglasses and SPF accordingly.

Rainfall

It rains the most in Jul (274mm over 17 days). A reliable rain jacket is a must-have if visiting then.

Day-to-night swings

Temperatures typically drop by 8°C from day to night. Make sure to pack layers for the evenings.

Average temperatures and rainfall

Daily highs and lows in Osaka, averaged over 10 years of recorded weather, with the number of days it typically rains.

  1. 949°134°7Jan
  2. 1151°235°7Feb
  3. 1558°541°11Mar
  4. 1966°1049°9Apr
  5. 2373°1458°13May
  6. 2780°1967°14Jun
  7. 3187°2476°17Jul
  8. 3391°2678°15Aug
  9. 3086°2373°14Sep
  10. 2374°1458°9Oct
  11. 1864°948°7Nov
  12. 1253°338°6Dec

Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Dec is typically driest at 6 days (39mm); Jul the wettest at 17 days (274mm).

Average monthly temperature and rainfall in Osaka
MonthAverage highAverage lowRainy daysTotal rainfall
Jan9°C1°C753mm
Feb11°C2°C772mm
Mar15°C5°C11127mm
Apr19°C10°C9166mm
May23°C14°C13218mm
Jun27°C19°C14248mm
Jul31°C24°C17274mm
Aug33°C26°C15188mm
Sep30°C23°C14190mm
Oct23°C14°C9163mm
Nov18°C9°C798mm
Dec12°C3°C639mm

Weather data by Open-Meteo.com

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