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Nakatsugawa, Japan climate
Cfa Humid subtropical
Nakatsugawa has a strongly seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 90°F, while the coldest is January averaging around 26°F at night. Precipitation totals about 77 inches a year and is strongly seasonal — July alone averages 11.4 inches while January barely receives 2.32 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)Nakatsugawa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 47 | 56 | 65 | 76 | 81 | 87 | 90 | 82 | 72 | 60 | 49 |
| Avg temp (°F) | 34 | 36 | 44 | 53 | 64 | 70 | 77 | 79 | 72 | 61 | 49 | 38 |
| Avg low (°F) | 26 | 27 | 33 | 42 | 52 | 62 | 70 | 71 | 64 | 53 | 40 | 31 |
| Precipitation (in) | 2.3 | 3.6 | 5.6 | 6.5 | 6.1 | 8.6 | 11.4 | 9.5 | 9.5 | 7.0 | 3.6 | 3.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 47 | 56 | 65 | 76 | 81 |
| Avg temp (°F) | 34 | 36 | 44 | 53 | 64 | 70 |
| Avg low (°F) | 26 | 27 | 33 | 42 | 52 | 62 |
| Precipitation (in) | 2.3 | 3.6 | 5.6 | 6.5 | 6.1 | 8.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 90 | 82 | 72 | 60 | 49 |
| Avg temp (°F) | 77 | 79 | 72 | 61 | 49 | 38 |
| Avg low (°F) | 70 | 71 | 64 | 53 | 40 | 31 |
| Precipitation (in) | 11.4 | 9.5 | 9.5 | 7.0 | 3.6 | 3.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 62 | 64 | 69 | 81 | 77 | 68 | 71 | 63 | 57 | 57 |
| Relative humidity (%) | 88 | 85 | 81 | 79 | 79 | 83 | 86 | 84 | 85 | 85 | 86 | 88 |
| Wind speed (mph) | 2.0 | 2.3 | 2.3 | 2.2 | 1.8 | 1.5 | 1.5 | 1.4 | 1.5 | 1.5 | 1.6 | 1.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 62 | 64 | 69 | 81 |
| Relative humidity (%) | 88 | 85 | 81 | 79 | 79 | 83 |
| Wind speed (mph) | 2.0 | 2.3 | 2.3 | 2.2 | 1.8 | 1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 68 | 71 | 63 | 57 | 57 |
| Relative humidity (%) | 86 | 84 | 85 | 85 | 86 | 88 |
| Wind speed (mph) | 1.5 | 1.4 | 1.5 | 1.5 | 1.6 | 1.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Nakatsugawa, about 1 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.