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Tokushima, Japan climate
Cfa Humid subtropical
Tokushima has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 32°C, while the coldest is January averaging around 3°C at night. Precipitation totals about 1620 mm a year and is strongly seasonal — September alone averages 271 mm while January barely receives 42 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)Tokushima climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 14 | 20 | 24 | 27 | 31 | 32 | 29 | 23 | 18 | 13 |
| Avg temp (°C) | 6 | 7 | 10 | 15 | 20 | 23 | 27 | 28 | 25 | 19 | 14 | 9 |
| Avg low (°C) | 3 | 3 | 6 | 11 | 16 | 20 | 24 | 25 | 22 | 16 | 10 | 5 |
| Precipitation (mm) | 42 | 53 | 88 | 104 | 147 | 193 | 177 | 193 | 271 | 199 | 89 | 64 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 14 | 20 | 24 | 27 |
| Avg temp (°C) | 6 | 7 | 10 | 15 | 20 | 23 |
| Avg low (°C) | 3 | 3 | 6 | 11 | 16 | 20 |
| Precipitation (mm) | 42 | 53 | 88 | 104 | 147 | 193 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 29 | 23 | 18 | 13 |
| Avg temp (°C) | 27 | 28 | 25 | 19 | 14 | 9 |
| Avg low (°C) | 24 | 25 | 22 | 16 | 10 | 5 |
| Precipitation (mm) | 177 | 193 | 271 | 199 | 89 | 64 |
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 (m/s) | 0.9 | 1.0 | 1.0 | 0.7 | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.8 |
| 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 (m/s) | 0.9 | 1.0 | 1.0 | 0.7 | 0.5 | 0.4 |
| 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 (m/s) | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tokushima, inside the city.
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.