Common information
- Country
- Japan
- Population
- 155 813
Weather, climate, temperature by months in Kumagaya
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 35 | 32 | 27 | 21 | 21 | 22 | 25 | 30 | 35 | 35 | 37 | 38 | 38 |
| Average high, °C | 26 | 20 | 15 | 10 | 8 | 8 | 12 | 17 | 22 | 25 | 28 | 30 | 18 |
| Average temperature, °C | 21 | 15 | 9 | 5 | 3 | 3 | 6 | 11 | 16 | 20 | 24 | 25 | 13 |
| Average low, °C | 17 | 11 | 4 | 0 | -2 | -1 | 1 | 6 | 11 | 16 | 20 | 21 | 9 |
| Record low, °C | 8 | 0 | -3 | -10 | -10 | -11 | -8 | -4 | 0 | 7 | 14 | 12 | -11 |
| Rain, days | 11 | 8 | 3 | 3 | 3 | 4 | 4 | 6 | 7 | 8 | 8 | 7 | 72 |
| Snowfall, cm. | 0 | 0 | 0 | 1 | 9 | 19 | 7 | 0 | 0 | 0 | 0 | 0 | 36 |
| Average precipitation, mm. | 230 | 150 | 50 | 30 | 30 | 50 | 60 | 90 | 120 | 140 | 140 | 120 | 1210 |
| Relative humidity, % | 85 | 81 | 74 | 68 | 65 | 64 | 65 | 72 | 76 | 80 | 83 | 84 | 75 |
| Day Length, часов | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 |
| Dew point, °C | 19 | 12 | 5 | -1 | -3 | -3 | 0 | 6 | 12 | 16 | 21 | 22 | 106 |
| Growing degree-day, °C | 358 | 181 | 0 | 0 | 0 | 0 | 0 | 67 | 207 | 325 | 456 | 491 | 2085 |
| Solar radiation, global, Mj/m2 | 12 | 11 | 9 | 8 | 9 | 12 | 14 | 18 | 18 | 16 | 16 | 16 | 13 |