Hiroshima weather in 2025
Hiroshima weather in 2025, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2025 alongside other available years for Hiroshima.
Year summary
In 2025, Hiroshima averaged 20.3 C for daily highs and 11.7 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 0.0 C from that baseline, and total precipitation was -156.0 mm from the baseline total.
The warmest month was July, with an average high of 32.7 C, while February had the lowest average low at -0.7 C.
The wettest month was June, totaling 279.1 mm. The hottest day reached 38.5 C on August 2, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 0.2 | 8.5 | 13.6 | 31 |
| February | -0.7 | 7.4 | 45.7 | 28 |
| March | 4.4 | 13.7 | 137.9 | 31 |
| April | 8.4 | 18.9 | 72.5 | 30 |
| May | 13.1 | 22.6 | 177.1 | 31 |
| June | 18.9 | 26.3 | 279.1 | 30 |
| July | 23.9 | 32.7 | 112.6 | 31 |
| August | 24.7 | 31.9 | 217.0 | 31 |
| September | 22.3 | 29.2 | 169.5 | 30 |
| October | 15.8 | 23.8 | 84.8 | 31 |
| November | 6.4 | 16.7 | 28.4 | 30 |
| December | 2.6 | 11.5 | 32.8 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | August 2, 2025 | 38.5 C |
| Coldest night | February 25, 2025 | -5.7 C |
| Wettest day | August 10, 2025 | 116.5 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.