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Tamano, Japan climate
Cfa Humid subtropical
Tamano 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 36°F at night. Precipitation totals about 41 inches a year and is strongly seasonal — July alone averages 6.0 inches while January barely receives 1.40 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)Tamano climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 49 | 55 | 65 | 73 | 79 | 87 | 90 | 83 | 74 | 63 | 53 |
| Avg temp (°F) | 42 | 42 | 48 | 57 | 65 | 72 | 79 | 83 | 76 | 66 | 56 | 46 |
| Avg low (°F) | 36 | 36 | 40 | 49 | 58 | 67 | 74 | 77 | 71 | 60 | 49 | 40 |
| Precipitation (in) | 1.4 | 1.7 | 3.1 | 3.1 | 4.1 | 5.8 | 6.0 | 3.1 | 5.4 | 3.8 | 1.9 | 1.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 49 | 55 | 65 | 73 | 79 |
| Avg temp (°F) | 42 | 42 | 48 | 57 | 65 | 72 |
| Avg low (°F) | 36 | 36 | 40 | 49 | 58 | 67 |
| Precipitation (in) | 1.4 | 1.7 | 3.1 | 3.1 | 4.1 | 5.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 90 | 83 | 74 | 63 | 53 |
| Avg temp (°F) | 79 | 83 | 76 | 66 | 56 | 46 |
| Avg low (°F) | 74 | 77 | 71 | 60 | 49 | 40 |
| Precipitation (in) | 6.0 | 3.1 | 5.4 | 3.8 | 1.9 | 1.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 74 | 70 | 66 | 69 | 79 | 73 | 66 | 72 | 67 | 69 | 74 |
| Relative humidity (%) | 78 | 77 | 76 | 76 | 77 | 81 | 83 | 80 | 80 | 79 | 79 | 79 |
| Wind speed (mph) | 7.4 | 7.2 | 7.0 | 6.0 | 5.1 | 4.5 | 4.6 | 4.8 | 5.5 | 5.9 | 5.9 | 6.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 74 | 70 | 66 | 69 | 79 |
| Relative humidity (%) | 78 | 77 | 76 | 76 | 77 | 81 |
| Wind speed (mph) | 7.4 | 7.2 | 7.0 | 6.0 | 5.1 | 4.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 66 | 72 | 67 | 69 | 74 |
| Relative humidity (%) | 83 | 80 | 80 | 79 | 79 | 79 |
| Wind speed (mph) | 4.6 | 4.8 | 5.5 | 5.9 | 5.9 | 6.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tamano, about 3 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.