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Kisarazu, Japan climate
Cfa Humid subtropical
Kisarazu has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 31°C, while the coldest is January averaging around 2°C at night. Around 1670 mm of precipitation falls each year, peaking in October (262 mm) and easing off in January (66 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)Kisarazu climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 26 | 30 | 31 | 28 | 22 | 17 | 12 |
| Avg temp (°C) | 6 | 6 | 10 | 14 | 19 | 21 | 25 | 27 | 23 | 18 | 13 | 8 |
| Avg low (°C) | 2 | 2 | 5 | 10 | 15 | 18 | 22 | 24 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 66 | 82 | 134 | 134 | 141 | 182 | 138 | 97 | 229 | 262 | 112 | 94 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 26 |
| Avg temp (°C) | 6 | 6 | 10 | 14 | 19 | 21 |
| Avg low (°C) | 2 | 2 | 5 | 10 | 15 | 18 |
| Precipitation (mm) | 66 | 82 | 134 | 134 | 141 | 182 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 31 | 28 | 22 | 17 | 12 |
| Avg temp (°C) | 25 | 27 | 23 | 18 | 13 | 8 |
| Avg low (°C) | 22 | 24 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 138 | 97 | 229 | 262 | 112 | 94 |
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 (%) | 75 | 74 | 75 | 77 | 79 | 82 | 83 | 81 | 82 | 82 | 80 | 77 |
| Wind speed (km/h) | 9.6 | 10.4 | 10.8 | 10.5 | 9.5 | 8.4 | 8.7 | 8.3 | 8.9 | 9.0 | 8.4 | 8.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 52 | 60 | 64 | 70 | 82 |
| Relative humidity (%) | 75 | 74 | 75 | 77 | 79 | 82 |
| Wind speed (km/h) | 9.6 | 10.4 | 10.8 | 10.5 | 9.5 | 8.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 64 | 71 | 67 | 56 | 45 |
| Relative humidity (%) | 83 | 81 | 82 | 82 | 80 | 77 |
| Wind speed (km/h) | 8.7 | 8.3 | 8.9 | 9.0 | 8.4 | 8.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kisarazu, about 3 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.