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Mizunami, Japan climate
Cfa Humid subtropical
Mizunami has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 34°C, while the coldest is January averaging around −2°C at night. Precipitation totals about 1648 mm a year and is strongly seasonal — July alone averages 240 mm while January barely receives 57 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)Mizunami climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 15 | 21 | 26 | 29 | 32 | 34 | 30 | 24 | 18 | 12 |
| Avg temp (°C) | 3 | 4 | 8 | 14 | 19 | 23 | 26 | 28 | 24 | 18 | 11 | 6 |
| Avg low (°C) | −2 | −2 | 2 | 7 | 12 | 18 | 22 | 23 | 19 | 12 | 6 | 0 |
| Precipitation (mm) | 57 | 70 | 121 | 133 | 158 | 188 | 240 | 150 | 234 | 155 | 84 | 61 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 15 | 21 | 26 | 29 |
| Avg temp (°C) | 3 | 4 | 8 | 14 | 19 | 23 |
| Avg low (°C) | −2 | −2 | 2 | 7 | 12 | 18 |
| Precipitation (mm) | 57 | 70 | 121 | 133 | 158 | 188 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 34 | 30 | 24 | 18 | 12 |
| Avg temp (°C) | 26 | 28 | 24 | 18 | 11 | 6 |
| Avg low (°C) | 22 | 23 | 19 | 12 | 6 | 0 |
| Precipitation (mm) | 240 | 150 | 234 | 155 | 84 | 61 |
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 (%) | 86 | 83 | 80 | 78 | 79 | 82 | 85 | 84 | 84 | 83 | 84 | 86 |
| Wind speed (mph) | 4.3 | 4.9 | 5.0 | 4.6 | 4.0 | 3.4 | 3.4 | 3.2 | 3.4 | 3.4 | 3.6 | 3.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 62 | 64 | 69 | 81 |
| Relative humidity (%) | 86 | 83 | 80 | 78 | 79 | 82 |
| Wind speed (mph) | 4.3 | 4.9 | 5.0 | 4.6 | 4.0 | 3.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 68 | 71 | 63 | 57 | 57 |
| Relative humidity (%) | 85 | 84 | 84 | 83 | 84 | 86 |
| Wind speed (mph) | 3.4 | 3.2 | 3.4 | 3.4 | 3.6 | 3.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tajimi, about 13 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.