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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 86°F, while the coldest is January averaging around 30°F at night. Around 86 inches of precipitation falls each year, peaking in December (11.0 inches) and easing off in April (4.2 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)Tsuruoka climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 41 | 48 | 60 | 70 | 77 | 83 | 86 | 79 | 68 | 57 | 46 |
| Avg temp (°F) | 35 | 35 | 41 | 51 | 61 | 68 | 75 | 78 | 70 | 60 | 49 | 40 |
| Avg low (°F) | 30 | 30 | 34 | 42 | 52 | 61 | 69 | 71 | 63 | 52 | 42 | 34 |
| Precipitation (in) | 8.6 | 5.3 | 5.1 | 4.2 | 4.7 | 4.9 | 8.7 | 7.8 | 7.3 | 8.2 | 10.5 | 11.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 41 | 48 | 60 | 70 | 77 |
| Avg temp (°F) | 35 | 35 | 41 | 51 | 61 | 68 |
| Avg low (°F) | 30 | 30 | 34 | 42 | 52 | 61 |
| Precipitation (in) | 8.6 | 5.3 | 5.1 | 4.2 | 4.7 | 4.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 86 | 79 | 68 | 57 | 46 |
| Avg temp (°F) | 75 | 78 | 70 | 60 | 49 | 40 |
| Avg low (°F) | 69 | 71 | 63 | 52 | 42 | 34 |
| Precipitation (in) | 8.7 | 7.8 | 7.3 | 8.2 | 10.5 | 11.0 |
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 (mph) | 5.0 | 5.6 | 4.8 | 3.4 | 2.4 | 2.0 | 1.9 | 1.9 | 2.1 | 2.3 | 2.7 | 3.7 |
| 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 (mph) | 5.0 | 5.6 | 4.8 | 3.4 | 2.4 | 2.0 |
| 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 (mph) | 1.9 | 1.9 | 2.1 | 2.3 | 2.7 | 3.7 |
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.