The Osaka historical weather page is built for travel planning and destination comparison, covering monthly temperature, rainfall, rainy days, and sunshine trends from 2015 through the latest complete month. Best time to visit Osaka. Searches for the best time to visit Osaka usually need monthly temperature, rainfall, and rainy-day context. Use the month-by-month view to find comfortable travel windows instead of relying only on annual averages. Osaka average temperature by month. For queries such as Osaka weather in April, Osaka temperature in August, or Osaka historical rainfall, start with the monthly pattern and then compare specific years when timing matters. How to read Osaka weather patterns. Osaka, 大阪府 sits in a subtropical climate band. Check the full monthly range because the warmer season (June to August) and cooler season (December to February) can feel very different for travel planning. Osaka rainfall and seasonality. For outdoor plans in Osaka, compare both total rainfall and rainy days by month. Shoulder periods (March-May and September-November) are useful for balancing temperature comfort, rainfall risk, and travel demand. When to compare Osaka with other destinations. If you are choosing between several cities, compare Osaka with nearby destinations in the same month. This avoids relying only on annual averages and makes temperature and precipitation differences clearer.
Osaka Historical Weather Since 2015 | Latest Complete Month Data
Osaka historical weather from 2015 through the latest complete month: monthly temperature, rainfall, sunshine, yearly comparisons, and travel timing references. The Osaka historical weather page is built for travel planning and destination comparison, covering monthly temperature, rainfall, rainy days, and sunshine trends from 2015 through the latest complete month. Best time to visit Osaka. Searches for the best time to visit Osaka usually need monthly temperature, rainfall, and rainy-day context. Use the month-by-month view to find comfortable travel windows instead of relying only on annual averages. Osaka average temperature by month. For queries such as Osaka weather in April, Osaka temperature in August, or Osaka historical rainfall, start with the monthly pattern and then compare specific years when timing matters. How to read Osaka weather patterns. Osaka, 大阪府 sits in a subtropical climate band. Check the full monthly range because the warmer season (June to August) and cooler season (December to February) can feel very different for travel planning. Osaka rainfall and seasonality. For outdoor plans in Osaka, compare both total rainfall and rainy days by month. Shoulder periods (March-May and September-November) are useful for balancing temperature comfort, rainfall risk, and travel demand. When to compare Osaka with other destinations. If you are choosing between several cities, compare Osaka with nearby destinations in the same month. This avoids relying only on annual averages and makes temperature and precipitation differences clearer. Osaka historical weather from 2015 through the latest complete month: monthly temperature, rainfall, sunshine, yearly comparisons, and travel timing references.
Osaka monthly fact table
These facts are generated from historical monthly averages for 2015-01-01/2026-05-31, ready for best-month, rainy-season, hottest-month, and coldest-month answers.
- Recommended month: October
- Hottest month: August
- Coldest month: January
- Rainiest month: July
| Month | Avg Temp | Precip | Rainy Days | Sunshine |
|---|
| January | 5°C | 52 mm | 12 | 7.8 h |
| February | 5.6°C | 61 mm | 12.9 | 7.9 h |
| March | 9.3°C | 114 mm | 15.4 | 8.5 h |
| April | 14.4°C | 156 mm | 13.9 | 8.5 h |
| May | 19.1°C | 173 mm | 13.5 | 9.4 h |
| June | 22.7°C | 234 mm | 17.5 | 8.7 h |
| July | 27.1°C | 247 mm | 21.3 | 9.7 h |
| August | 28.7°C | 163 mm | 18.7 | 10.6 h |
| September | 25°C | 217 mm | 18.2 | 8.6 h |
| October | 18.5°C | 179 mm | 13.7 | 8 h |
| November | 12.7°C | 81 mm | 10.7 | 7.8 h |
| December | 7.4°C | 60 mm | 9.6 | 7.7 h |
Source: Open-Meteo Archive; generated: 2026-06-07.
Osaka historical weather travel guide
When is the best time to visit Osaka?
Based on historical monthly averages for 2015-01-01/2026-05-31, the recommended month for Osaka is October, with an average temperature around 18.5°C, average precipitation around 179 mm, and a travel comfort score of 93.
Is it hot in Osaka in summer?
The hottest month in Osaka historical averages is August, with an average temperature around 28.7°C and an average high around 32.6°C. For summer trips, check rainfall and heat precautions together.
When is the rainy season in Osaka?
Rain is most concentrated in Osaka during June, July, September. The rainiest month is July, with average precipitation around 247 mm and about 21.3 rainy days.
What is the coldest month in Osaka?
The coldest month in Osaka historical averages is January, with an average temperature around 5.0°C and an average low around 1.1°C. Prepare warm clothing for winter travel.