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Tsuyama, Japan climate
Cfa Humid subtropical
Tsuyama has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 31°C, while the coldest is January averaging around −3°C at night. Precipitation totals about 1511 mm a year and is strongly seasonal — July alone averages 253 mm while January barely receives 60 mm.
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)Tsuyama climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 | 30 | 31 | 27 | 21 | 15 | 9 |
| Avg temp (°C) | 2 | 3 | 6 | 12 | 17 | 21 | 25 | 26 | 22 | 15 | 9 | 4 |
| Avg low (°C) | −3 | −2 | 0 | 5 | 11 | 17 | 21 | 22 | 17 | 10 | 4 | −1 |
| Precipitation (mm) | 60 | 67 | 105 | 120 | 157 | 191 | 253 | 147 | 173 | 104 | 68 | 64 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 |
| Avg temp (°C) | 2 | 3 | 6 | 12 | 17 | 21 |
| Avg low (°C) | −3 | −2 | 0 | 5 | 11 | 17 |
| Precipitation (mm) | 60 | 67 | 105 | 120 | 157 | 191 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 27 | 21 | 15 | 9 |
| Avg temp (°C) | 25 | 26 | 22 | 15 | 9 | 4 |
| Avg low (°C) | 21 | 22 | 17 | 10 | 4 | −1 |
| Precipitation (mm) | 253 | 147 | 173 | 104 | 68 | 64 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 82 | 75 | 68 | 69 | 80 | 76 | 66 | 74 | 70 | 74 | 81 |
| Relative humidity (%) | 86 | 84 | 81 | 79 | 79 | 83 | 85 | 83 | 84 | 84 | 84 | 86 |
| Wind speed (km/h) | 7.6 | 7.9 | 7.6 | 6.5 | 5.4 | 4.5 | 4.6 | 4.7 | 5.4 | 5.6 | 5.7 | 6.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 82 | 75 | 68 | 69 | 80 |
| Relative humidity (%) | 86 | 84 | 81 | 79 | 79 | 83 |
| Wind speed (km/h) | 7.6 | 7.9 | 7.6 | 6.5 | 5.4 | 4.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 66 | 74 | 70 | 74 | 81 |
| Relative humidity (%) | 85 | 83 | 84 | 84 | 84 | 86 |
| Wind speed (km/h) | 4.6 | 4.7 | 5.4 | 5.6 | 5.7 | 6.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Nagi, about 17 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.