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Tatsuno, Japan climate
Cfa Humid subtropical
Tatsuno has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 33°C, while the coldest is January averaging around 0°C at night. Precipitation totals about 1255 mm a year and is strongly seasonal — July alone averages 184 mm while January barely receives 37 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)Tatsuno climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 27 | 31 | 33 | 29 | 23 | 17 | 12 |
| Avg temp (°C) | 4 | 5 | 8 | 14 | 19 | 22 | 26 | 28 | 24 | 18 | 12 | 7 |
| Avg low (°C) | 0 | 1 | 3 | 8 | 14 | 19 | 23 | 24 | 20 | 13 | 7 | 2 |
| Precipitation (mm) | 37 | 49 | 92 | 105 | 127 | 160 | 184 | 105 | 178 | 109 | 61 | 47 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 27 |
| Avg temp (°C) | 4 | 5 | 8 | 14 | 19 | 22 |
| Avg low (°C) | 0 | 1 | 3 | 8 | 14 | 19 |
| Precipitation (mm) | 37 | 49 | 92 | 105 | 127 | 160 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 33 | 29 | 23 | 17 | 12 |
| Avg temp (°C) | 26 | 28 | 24 | 18 | 12 | 7 |
| Avg low (°C) | 23 | 24 | 20 | 13 | 7 | 2 |
| Precipitation (mm) | 184 | 105 | 178 | 109 | 61 | 47 |
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 (%) | 86 | 84 | 81 | 79 | 79 | 83 | 85 | 83 | 84 | 84 | 84 | 86 |
| Wind speed (m/s) | 2.1 | 2.2 | 2.1 | 1.8 | 1.5 | 1.3 | 1.3 | 1.3 | 1.5 | 1.6 | 1.6 | 1.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 68 | 65 | 67 | 78 |
| Relative humidity (%) | 86 | 84 | 81 | 79 | 79 | 83 |
| Wind speed (m/s) | 2.1 | 2.2 | 2.1 | 1.8 | 1.5 | 1.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 62 | 69 | 66 | 70 | 73 |
| Relative humidity (%) | 85 | 83 | 84 | 84 | 84 | 86 |
| Wind speed (m/s) | 1.3 | 1.3 | 1.5 | 1.6 | 1.6 | 1.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Himeji, about 12 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.