Tokyo
Japan
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 31 | 23 | 20 | 15 | 7 | 8 | 15 | 23 | 28 | 29 | 33 | 33 | 33 |
| Average high, °C | 18 | 13 | 6 | 0 | -3 | -3 | 0 | 7 | 12 | 15 | 20 | 22 | 9 |
| Average temperature, °C | 16 | 10 | 3 | -2 | -6 | -6 | -2 | 4 | 9 | 13 | 17 | 20 | 6 |
| Average low, °C | 12 | 6 | 0 | -5 | -8 | -10 | -5 | 1 | 5 | 10 | 14 | 17 | 3 |
| Record low, °C | 5 | -1 | -11 | -15 | -19 | -25 | -18 | -10 | -2 | 1 | 5 | 9 | -25 |
| Rain, days | 13 | 14 | 10 | 3 | 0 | 0 | 2 | 10 | 14 | 13 | 13 | 14 | 106 |
| Snow, days | 0 | 1 | 11 | 21 | 24 | 20 | 19 | 8 | 1 | 0 | 0 | 0 | 105 |
| Fog, days | 2 | 1 | 0 | 1 | 1 | 2 | 1 | 3 | 5 | 8 | 10 | 5 | 39 |
| Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 6 |
| Average precipitation, mm. | 100 | 70 | 60 | 50 | 60 | 30 | 50 | 50 | 60 | 60 | 80 | 90 | 760 |
| Relative humidity, % | 86 | 79 | 71 | 69 | 71 | 74 | 76 | 79 | 83 | 88 | 90 | 89 | 80 |
| Relative humidity morning, % | 84 | 76 | 73 | 73 | 76 | 78 | 77 | 75 | 78 | 86 | 89 | 87 | 79 |
| Relative humidity evening, % | 72 | 64 | 65 | 67 | 70 | 71 | 70 | 67 | 69 | 77 | 79 | 78 | 71 |
| Wind speed, km/h | 12 | 12 | 12 | 9 | 9 | 8 | 19 | 14 | 14 | 12 | 12 | 9 | 12 |
| Day Length, часов | 13 | 12 | 10 | 10 | 10 | 11 | 12 | 14 | 15 | 16 | 16 | 15 | 13 |
| Dew point, °C | 11 | 4 | -2 | -7 | -10 | -11 | -7 | -1 | 3 | 9 | 13 | 16 | 18 |
| Growing degree-day, °C | 175 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | 224 | 301 | 784 |
| Solar radiation, global, Mj/m2 | 14 | 11 | 6 | 5 | 6 | 10 | 14 | 18 | 20 | 20 | 18 | 17 | 13 |