Zushi, Japan climate
Cfa Humid subtropical
Zushi 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 2°C at night. Around 1539 mm of precipitation falls each year, peaking in September (197 mm) and easing off in January (61 mm).
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Summers
Warm
Highs near 30°C in August.
❄️
Winters
Chilly
Lows near 2°C in January.
🌧️
Rain
Very wet
About 1539 mm of rain a year.
Wettest in September
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Sky & trend
Often cloudy
Cloudy skies much of the year.
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)Zushi climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 11 | 14 | 19 | 22 | 25 | 28 | 30 | 28 | 23 | 18 | 13 |
| Avg temp (°C) | 6 | 7 | 10 | 14 | 19 | 22 | 25 | 27 | 24 | 19 | 13 | 9 |
| Avg low (°C) | 2 | 2 | 5 | 10 | 15 | 19 | 23 | 24 | 21 | 15 | 10 | 4 |
| Precipitation (mm) | 61 | 61 | 133 | 134 | 148 | 172 | 160 | 121 | 197 | 191 | 98 | 64 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 11 | 14 | 19 | 22 | 25 |
| Avg temp (°C) | 6 | 7 | 10 | 14 | 19 | 22 |
| Avg low (°C) | 2 | 2 | 5 | 10 | 15 | 19 |
| Precipitation (mm) | 61 | 61 | 133 | 134 | 148 | 172 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 30 | 28 | 23 | 18 | 13 |
| Avg temp (°C) | 25 | 27 | 24 | 19 | 13 | 9 |
| Avg low (°C) | 23 | 24 | 21 | 15 | 10 | 4 |
| Precipitation (mm) | 160 | 121 | 197 | 191 | 98 | 64 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 52 | 60 | 64 | 70 | 82 | 75 | 64 | 71 | 67 | 56 | 45 |
| Relative humidity (%) | 77 | 76 | 77 | 77 | 79 | 83 | 84 | 82 | 84 | 84 | 82 | 79 |
| Wind speed (m/s) | 2.4 | 2.7 | 2.9 | 2.9 | 2.6 | 2.3 | 2.5 | 2.3 | 2.4 | 2.4 | 2.2 | 2.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 52 | 60 | 64 | 70 | 82 |
| Relative humidity (%) | 77 | 76 | 77 | 77 | 79 | 83 |
| Wind speed (m/s) | 2.4 | 2.7 | 2.9 | 2.9 | 2.6 | 2.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 64 | 71 | 67 | 56 | 45 |
| Relative humidity (%) | 84 | 82 | 84 | 84 | 82 | 79 |
| Wind speed (m/s) | 2.5 | 2.3 | 2.4 | 2.4 | 2.2 | 2.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tsujido, about 12 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.