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Kameyama, Japan climate
Cfa Humid subtropical
Kameyama has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 89°F, while the coldest is January averaging around 32°F at night. Precipitation totals about 73 inches a year and is strongly seasonal — September alone averages 11.2 inches while January barely receives 2.26 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Kameyama climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 49 | 56 | 66 | 74 | 79 | 86 | 89 | 82 | 72 | 62 | 52 |
| Avg temp (°F) | 40 | 40 | 46 | 56 | 64 | 71 | 78 | 80 | 73 | 63 | 53 | 44 |
| Avg low (°F) | 32 | 33 | 37 | 46 | 55 | 64 | 72 | 73 | 67 | 55 | 44 | 36 |
| Precipitation (in) | 2.3 | 2.7 | 4.7 | 6.0 | 8.0 | 10.1 | 8.3 | 7.1 | 11.2 | 7.0 | 3.2 | 2.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 49 | 56 | 66 | 74 | 79 |
| Avg temp (°F) | 40 | 40 | 46 | 56 | 64 | 71 |
| Avg low (°F) | 32 | 33 | 37 | 46 | 55 | 64 |
| Precipitation (in) | 2.3 | 2.7 | 4.7 | 6.0 | 8.0 | 10.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 86 | 89 | 82 | 72 | 62 | 52 |
| Avg temp (°F) | 78 | 80 | 73 | 63 | 53 | 44 |
| Avg low (°F) | 72 | 73 | 67 | 55 | 44 | 36 |
| Precipitation (in) | 8.3 | 7.1 | 11.2 | 7.0 | 3.2 | 2.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 67 | 65 | 70 | 81 | 75 | 63 | 70 | 66 | 63 | 63 |
| Relative humidity (%) | 87 | 84 | 82 | 81 | 82 | 85 | 87 | 86 | 87 | 86 | 86 | 87 |
| Wind speed (mph) | 6.4 | 6.6 | 6.8 | 6.3 | 5.6 | 5.0 | 4.7 | 4.6 | 5.0 | 5.0 | 5.1 | 5.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 67 | 65 | 70 | 81 |
| Relative humidity (%) | 87 | 84 | 82 | 81 | 82 | 85 |
| Wind speed (mph) | 6.4 | 6.6 | 6.8 | 6.3 | 5.6 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 63 | 70 | 66 | 63 | 63 |
| Relative humidity (%) | 87 | 86 | 87 | 86 | 86 | 87 |
| Wind speed (mph) | 4.7 | 4.6 | 5.0 | 5.0 | 5.1 | 5.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kameyama, about 2 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.