Osaka weather in 2025
Osaka weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
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Use the graph view to inspect 2025 alongside other available years for Osaka.
Year summary
In 2025, Osaka averaged 21.5 C for daily highs and 13.6 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was +0.1 C from that baseline, and total precipitation was -132.9 mm from the baseline total.
The warmest month was July, with an average high of 35.0 C, while February had the lowest average low at 0.8 C.
The wettest month was June, totaling 290.4 mm. The hottest day reached 38.8 C on July 29, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 1.7 | 9.3 | 29.3 | 31 |
| February | 0.8 | 8.1 | 33.8 | 28 |
| March | 6.0 | 14.1 | 98.0 | 31 |
| April | 10.2 | 19.8 | 107.7 | 30 |
| May | 15.5 | 23.3 | 212.2 | 31 |
| June | 21.3 | 28.5 | 290.4 | 30 |
| July | 26.4 | 35.0 | 197.7 | 31 |
| August | 27.2 | 34.5 | 112.8 | 31 |
| September | 23.9 | 31.0 | 211.7 | 30 |
| October | 17.3 | 23.8 | 179.9 | 31 |
| November | 8.1 | 16.7 | 50.7 | 30 |
| December | 4.1 | 12.5 | 58.7 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | July 29, 2025 | 38.8 C |
| Coldest night | February 24, 2025 | -1.9 C |
| Wettest day | June 10, 2025 | 90.2 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.