Chiba, Japan climate
Average temperatures, precipitation and all-time records for Chiba, Japan, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 30°C, and its coldest is January, with an average low of 4°C.
Chiba Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Chiba Prefecture has a population of 6,278,060 and has a geographic area of 5,157 km2 (1,991 sq mi). Chiba Prefecture borders Ibaraki Prefecture to the north, Saitama Prefecture to the northwest, and Tokyo to the west. via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on Chiba, Japan's own ±7-day seasonal distribution.
Chiba average temperatures by month
Typical daily high and low, and average precipitation, for each month in Chiba, Japan, based on 1980–2026 records. The wettest month is June (8 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 9°C | 4°C | 3 mm |
| February | 10°C | 4°C | 3 mm |
| March | 12°C | 7°C | 5 mm |
| April | 17°C | 12°C | 5 mm |
| May | 21°C | 16°C | 5 mm |
| June | 24°C | 20°C | 8 mm |
| July | 28°C | 23°C | 5 mm |
| August | 30°C | 25°C | 3 mm |
| September | 27°C | 22°C | 5 mm |
| October | 21°C | 17°C | 8 mm |
| November | 17°C | 12°C | 5 mm |
| December | 12°C | 6°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: 36°C on 2013-08-11
- Coldest day on record: -5°C on 1981-01-13
Percentiles compare each day to Chiba, 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 →