| Average climate data for Kofu, Japan | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 9 | 10 | 14 | 21 | 25 | 27 | 31 | 32 | 28 | 22 | 16 | 11 | 32 |
| Average minimum temperature (°C) | -2 | -1 | 3 | 8 | 13 | 18 | 22 | 23 | 19 | 12 | 5 | -0 | -2 |
| Average precipitation (mm) | 40 | 46 | 89 | 77 | 86 | 123 | 134 | 151 | 180 | 124 | 55 | 32 | 1,137 |
| Average rainfall days (days) | 5 | 6 | 10 | 9 | 10 | 12 | 12 | 10 | 11 | 10 | 6 | 4 | 105 |
| Average snowfall (mm) | 131 | 100 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 281 |
| Average snowfall days (days) | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| Average relative humidity (%) | 58 | 55 | 56 | 57 | 64 | 70 | 72 | 71 | 71 | 71 | 68 | 60 | 65 |
| Average daily daylight hours (h) | 10 | 10 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 12 |
| Average daily sunshine hours (h) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 4 | 5 | 5 | 6 | 6 |
The warmest month, with the highest average maximum temperature, is August (32.5 °C). The month with the lowest average maximum temperature is January (8.7 °C). Overall, the average maximum temperature over the whole year is 20.5 °C.
The month with the highest average minimum temperature is August (22.7 °C). The coldest month, with the lowest average minimum temperature, is January (-2.4 °C). Overall, the average minimum temperature over the whole year is 10 °C.
The wettest month, with the highest amount of precipitation, is September (179.5 mm). The driest month, with the least amount of precipitation, is December (32.1 mm). Over the whole year there are 1,136.9 mm of rainfall on average.
The month with the most days of rain is July (12.4 days). The month with the fewest days of rain is December (4.1 days). Over the whole year there are 105 days of rain on average.
The month with the most snowfall is January (131.3 mm). The months with the least snowfall are April, May, June, July, August, September, October and November (0 mm). Over the whole year there are 281.2 mm of snowfall on average.
The month with the most days of snowfall is January (4.5 days). The months with the fewest days of snowfall are May, June, July, August, September and November (0 days). Over the whole year there are 9.3 days of snowfall on average.
The month with the highest average relative humidity is July (72.4 %). The month with the lowest average relative humidity is February (54.6 %). The overall average relative humidity over the whole year is 64.6 %.
The month with the longest days, so the most daylight, is June (Average daylight: 14 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9.1 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is January (Average sunshine: 6.2 h). The month with the least sunshine per day is September (Average sunshine: 4 h). Over the whole year there are 5.6 h of sunlight per day on average.
