Historical weather in Saitama, Japan
Saitama weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Saitama averaged 21.6 C for daily highs and 12.5 C for daily lows across 1096 daily observations.
The warmest month was August 2025, with an average high of 35.5 C, while January 2023 had the lowest average low at -0.4 C.
The wettest month was June 2023, totaling 313.1 mm of precipitation.
The hottest day reached 40.8 C on August 5, 2025; the coldest night fell to -5.7 C on January 26, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | -0.4 | 9.1 | 26.6 | 31 |
| 2023 | February | 0.8 | 11.3 | 38.1 | 28 |
| 2023 | March | 6.8 | 17.5 | 112.0 | 31 |
| 2023 | April | 10.0 | 20.9 | 95.5 | 30 |
| 2023 | May | 13.3 | 23.3 | 165.1 | 31 |
| 2023 | June | 18.5 | 27.1 | 313.1 | 30 |
| 2023 | July | 23.9 | 34.1 | 40.0 | 31 |
| 2023 | August | 25.3 | 33.8 | 113.4 | 31 |
| 2023 | September | 22.8 | 30.7 | 239.0 | 30 |
| 2023 | October | 13.5 | 22.9 | 94.4 | 31 |
| 2023 | November | 8.3 | 18.1 | 62.2 | 30 |
| 2023 | December | 2.9 | 13.3 | 34.4 | 31 |
| 2024 | January | 0.3 | 10.8 | 50.5 | 31 |
| 2024 | February | 2.6 | 11.8 | 59.5 | 29 |
| 2024 | March | 3.1 | 13.2 | 181.4 | 31 |
| 2024 | April | 11.4 | 20.9 | 92.4 | 30 |
| 2024 | May | 14.6 | 24.0 | 212.5 | 31 |
| 2024 | June | 18.8 | 26.9 | 276.0 | 30 |
| 2024 | July | 24.3 | 32.6 | 159.0 | 31 |
| 2024 | August | 25.2 | 33.3 | 214.6 | 31 |
| 2024 | September | 22.8 | 30.2 | 66.8 | 30 |
| 2024 | October | 16.3 | 24.1 | 128.8 | 31 |
| 2024 | November | 8.5 | 16.9 | 105.2 | 30 |
| 2024 | December | 2.2 | 11.5 | 2.5 | 31 |
| 2025 | January | 0.9 | 10.2 | 33.0 | 31 |
| 2025 | February | 0.9 | 10.8 | 9.1 | 28 |
| 2025 | March | 4.8 | 14.4 | 141.4 | 31 |
| 2025 | April | 10.3 | 19.8 | 125.1 | 30 |
| 2025 | May | 14.8 | 22.6 | 229.9 | 31 |
| 2025 | June | 20.9 | 29.3 | 100.5 | 30 |
| 2025 | July | 25.1 | 34.4 | 64.2 | 31 |
| 2025 | August | 26.1 | 35.5 | 52.0 | 31 |
| 2025 | September | 22.9 | 31.0 | 153.0 | 30 |
| 2025 | October | 15.3 | 21.8 | 149.3 | 31 |
| 2025 | November | 7.8 | 16.4 | 13.2 | 30 |
| 2025 | December | 2.6 | 11.8 | 38.7 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | August 5, 2025 | 40.8 C |
| Coldest night | January 26, 2023 | -5.7 C |
| Wettest day | June 2, 2023 | 126.9 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.