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Tsuruoka, Japan climate
Cfa Humid subtropical
Tsuruoka has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 30°C, while the coldest is January averaging around −1°C at night. Around 2191 mm of precipitation falls each year, peaking in December (279 mm) and easing off in April (107 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)Tsuruoka climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 4 | 5 | 9 | 16 | 21 | 25 | 28 | 30 | 26 | 20 | 14 | 8 |
| Avg temp (°C) | 2 | 2 | 5 | 10 | 16 | 20 | 24 | 25 | 21 | 15 | 10 | 4 |
| Avg low (°C) | −1 | −1 | 1 | 5 | 11 | 16 | 20 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 218 | 135 | 130 | 107 | 120 | 124 | 220 | 199 | 185 | 208 | 267 | 279 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 4 | 5 | 9 | 16 | 21 | 25 |
| Avg temp (°C) | 2 | 2 | 5 | 10 | 16 | 20 |
| Avg low (°C) | −1 | −1 | 1 | 5 | 11 | 16 |
| Precipitation (mm) | 218 | 135 | 130 | 107 | 120 | 124 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 30 | 26 | 20 | 14 | 8 |
| Avg temp (°C) | 24 | 25 | 21 | 15 | 10 | 4 |
| Avg low (°C) | 20 | 21 | 17 | 11 | 5 | 1 |
| Precipitation (mm) | 220 | 199 | 185 | 208 | 267 | 279 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 94 | 90 | 83 | 76 | 74 | 78 | 79 | 70 | 77 | 78 | 84 | 92 |
| Relative humidity (%) | 94 | 92 | 86 | 81 | 80 | 81 | 84 | 83 | 84 | 84 | 87 | 92 |
| Wind speed (km/h) | 8.0 | 9.0 | 7.7 | 5.4 | 3.8 | 3.2 | 3.1 | 3.1 | 3.3 | 3.8 | 4.4 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 94 | 90 | 83 | 76 | 74 | 78 |
| Relative humidity (%) | 94 | 92 | 86 | 81 | 80 | 81 |
| Wind speed (km/h) | 8.0 | 9.0 | 7.7 | 5.4 | 3.8 | 3.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 70 | 77 | 78 | 84 | 92 |
| Relative humidity (%) | 84 | 83 | 84 | 84 | 87 | 92 |
| Wind speed (km/h) | 3.1 | 3.1 | 3.3 | 3.8 | 4.4 | 6.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tsuruoka, about 2 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.