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Masuda, Japan climate
Cfa Humid subtropical
Masuda has a 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 35°F at night. Around 62 inches of precipitation falls each year, peaking in July (9.4 inches) and easing off in February (3.2 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)Masuda climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 51 | 57 | 66 | 74 | 80 | 87 | 90 | 82 | 73 | 64 | 53 |
| Avg temp (°F) | 42 | 43 | 48 | 57 | 65 | 72 | 80 | 82 | 74 | 64 | 55 | 46 |
| Avg low (°F) | 35 | 35 | 39 | 47 | 56 | 65 | 73 | 75 | 67 | 56 | 47 | 39 |
| Precipitation (in) | 3.8 | 3.2 | 4.8 | 4.3 | 4.9 | 7.1 | 9.4 | 5.4 | 6.7 | 4.2 | 3.8 | 4.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 51 | 57 | 66 | 74 | 80 |
| Avg temp (°F) | 42 | 43 | 48 | 57 | 65 | 72 |
| Avg low (°F) | 35 | 35 | 39 | 47 | 56 | 65 |
| Precipitation (in) | 3.8 | 3.2 | 4.8 | 4.3 | 4.9 | 7.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 90 | 82 | 73 | 64 | 53 |
| Avg temp (°F) | 80 | 82 | 74 | 64 | 55 | 46 |
| Avg low (°F) | 73 | 75 | 67 | 56 | 47 | 39 |
| Precipitation (in) | 9.4 | 5.4 | 6.7 | 4.2 | 3.8 | 4.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 81 | 75 | 68 | 67 | 79 | 74 | 67 | 72 | 67 | 74 | 81 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 | 85 | 84 | 84 | 83 | 83 | 83 |
| Wind speed (mph) | 2.9 | 2.9 | 2.6 | 2.1 | 1.6 | 1.3 | 1.4 | 1.5 | 1.8 | 2.0 | 2.1 | 2.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 85 | 81 | 75 | 68 | 67 | 79 |
| Relative humidity (%) | 83 | 81 | 79 | 78 | 79 | 83 |
| Wind speed (mph) | 2.9 | 2.9 | 2.6 | 2.1 | 1.6 | 1.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 67 | 72 | 67 | 74 | 81 |
| Relative humidity (%) | 85 | 84 | 84 | 83 | 83 | 83 |
| Wind speed (mph) | 1.4 | 1.5 | 1.8 | 2.0 | 2.1 | 2.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Masuda, 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.