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Isesaki (Gunma): temperature and climate normals
Latest20.0 °COct 9, 2026 20:10 JST
24 h max / min25.6 °C / 13.1 °C
Annual mean (normal)15.5 °Crank 252 of 903
Annual precipitation (normal)1,176.5mmrank 736
Altitude64 m
Last 24 hours
Monthly normals: temperature
Monthly precipitation (normal)
Monthly sunshine (normal)
Normals table (1991–2020)
| Month | Mean | Max | Min | ≥30°C | Min<0°C | Precip. | Sun |
|---|---|---|---|---|---|---|---|
| Jan | 4.1 °C | 9.4 °C | -0.6 °C | 0.0days | 18.7days | 28.8mm | 217.9h |
| Feb | 4.9 °C | 10.4 °C | 0.0 °C | 0.0days | 14.9days | 25.3mm | 201.0h |
| Mar | 8.4 °C | 14.0 °C | 3.1 °C | 0.0days | 5.2days | 49.8mm | 211.3h |
| Apr | 13.7 °C | 19.6 °C | 8.2 °C | 0.2days | 0.1days | 73.5mm | 205.8h |
| May | 19.1 °C | 24.9 °C | 13.9 °C | 3.3days | 0.0days | 99.3mm | 201.9h |
| Jun | 22.6 °C | 27.6 °C | 18.5 °C | 8.5days | 0.0days | 139.9mm | 140.7h |
| Jul | 26.3 °C | 31.2 °C | 22.4 °C | 19.1days | 0.0days | 190.4mm | 149.5h |
| Aug | 27.4 °C | 32.5 °C | 23.5 °C | 23.5days | 0.0days | 169.9mm | 169.5h |
| Sep | 23.5 °C | 28.2 °C | 19.8 °C | 10.5days | 0.0days | 184.4mm | 138.6h |
| Oct | 17.6 °C | 22.3 °C | 13.6 °C | 0.7days | 0.0days | 149.7mm | 153.4h |
| Nov | 11.6 °C | 16.8 °C | 6.8 °C | 0.0days | 0.4days | 43.0mm | 177.1h |
| Dec | 6.3 °C | 11.8 °C | 1.5 °C | 0.0days | 9.4days | 27.1mm | 203.3h |
| Year | 15.5 °C | 20.7 °C | 10.9 °C | 65.9days | 49.0days | 1,176.5mm | 2,177.0h |
For reference: latest 20.0 °C; the Oct mean normal is 17.6 °C (one observation vs a monthly mean).
Other stations in Gunma
Normals: JMA 2020 normals (1991–2020 averages). Latest values are observations fetched once a day, not real time.