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Yakami, Japan climate
Cfa Humid subtropical
Yakami has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 90°F, while the coldest is January averaging around 37°F at night. Precipitation totals about 64 inches a year and is strongly seasonal — September alone averages 10.7 inches while January barely receives 1.65 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)Yakami climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 51 | 58 | 67 | 75 | 80 | 87 | 90 | 83 | 74 | 64 | 55 |
| Avg temp (°F) | 43 | 44 | 50 | 59 | 67 | 73 | 80 | 83 | 77 | 67 | 57 | 48 |
| Avg low (°F) | 37 | 38 | 42 | 51 | 60 | 68 | 75 | 77 | 71 | 61 | 50 | 41 |
| Precipitation (in) | 1.7 | 2.1 | 3.5 | 4.1 | 5.8 | 7.6 | 7.0 | 7.6 | 10.7 | 7.9 | 3.5 | 2.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 51 | 58 | 67 | 75 | 80 |
| Avg temp (°F) | 43 | 44 | 50 | 59 | 67 | 73 |
| Avg low (°F) | 37 | 38 | 42 | 51 | 60 | 68 |
| Precipitation (in) | 1.7 | 2.1 | 3.5 | 4.1 | 5.8 | 7.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 90 | 83 | 74 | 64 | 55 |
| Avg temp (°F) | 80 | 83 | 77 | 67 | 57 | 48 |
| Avg low (°F) | 75 | 77 | 71 | 61 | 50 | 41 |
| Precipitation (in) | 7.0 | 7.6 | 10.7 | 7.9 | 3.5 | 2.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 68 | 65 | 67 | 78 | 72 | 62 | 69 | 66 | 70 | 73 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 | 84 | 83 | 85 | 84 | 84 | 83 |
| Wind speed (mph) | 2.1 | 2.3 | 2.1 | 1.6 | 1.2 | 0.9 | 0.8 | 0.9 | 1.0 | 1.2 | 1.3 | 1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 68 | 65 | 67 | 78 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 |
| Wind speed (mph) | 2.1 | 2.3 | 2.1 | 1.6 | 1.2 | 0.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 62 | 69 | 66 | 70 | 73 |
| Relative humidity (%) | 84 | 83 | 85 | 84 | 84 | 83 |
| Wind speed (mph) | 0.8 | 0.9 | 1.0 | 1.2 | 1.3 | 1.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tokushima, about 10 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.