Saitama, Japan climate
Average temperatures, precipitation and all-time records for Saitama, Japan, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 31°C, and its coldest is January, with an average low of 0°C.
Saitama is the capital and largest city of Saitama Prefecture, Japan. Its area incorporates the former cities of Urawa, Ōmiya, Yono and Iwatsuki. It is a city designated by government ordinance. via Wikipedia
How today compares
Latest recorded day: 2026-09-04. Each reading placed on Saitama, Japan's own ±7-day seasonal distribution.
Saitama average temperatures by month
Typical daily high and low, and average precipitation, for each month in Saitama, Japan, based on 1980–2026 records. The wettest month is April (5 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 9°C | 0°C | 3 mm |
| February | 10°C | 1°C | 3 mm |
| March | 13°C | 4°C | 3 mm |
| April | 19°C | 10°C | 5 mm |
| May | 23°C | 15°C | 5 mm |
| June | 26°C | 19°C | 5 mm |
| July | 30°C | 23°C | 5 mm |
| August | 31°C | 25°C | 5 mm |
| September | 28°C | 21°C | 5 mm |
| October | 22°C | 15°C | 5 mm |
| November | 16°C | 8°C | 3 mm |
| December | 11°C | 2°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 40°C on 1994-08-03
- Coldest day on record: -13°C on 1981-02-17
Percentiles compare each day to Saitama, Japan's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →