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Kaseda-shirakame, Japan climate
Cfa Humid subtropical
Kaseda-shirakame has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 32°C, while the coldest is January averaging around 4°C at night. Precipitation totals about 2454 mm a year and is strongly seasonal — June alone averages 514 mm while January barely receives 93 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)Kaseda-shirakame climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 14 | 17 | 21 | 25 | 27 | 31 | 32 | 30 | 26 | 20 | 15 |
| Avg temp (°C) | 8 | 9 | 12 | 16 | 20 | 24 | 27 | 28 | 25 | 20 | 15 | 10 |
| Avg low (°C) | 4 | 4 | 7 | 11 | 16 | 20 | 24 | 24 | 21 | 16 | 10 | 5 |
| Precipitation (mm) | 93 | 119 | 167 | 195 | 190 | 514 | 337 | 220 | 276 | 105 | 127 | 110 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 13 | 14 | 17 | 21 | 25 | 27 |
| Avg temp (°C) | 8 | 9 | 12 | 16 | 20 | 24 |
| Avg low (°C) | 4 | 4 | 7 | 11 | 16 | 20 |
| Precipitation (mm) | 93 | 119 | 167 | 195 | 190 | 514 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 30 | 26 | 20 | 15 |
| Avg temp (°C) | 27 | 28 | 25 | 20 | 15 | 10 |
| Avg low (°C) | 24 | 24 | 21 | 16 | 10 | 5 |
| Precipitation (mm) | 337 | 220 | 276 | 105 | 127 | 110 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 67 | 71 | 83 | 66 | 60 | 62 | 56 | 61 | 68 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 79 | 85 | 86 | 83 | 80 | 77 | 76 | 77 |
| Wind speed (m/s) | 4.3 | 4.3 | 4.2 | 3.9 | 3.6 | 3.7 | 3.6 | 3.7 | 3.5 | 3.5 | 3.6 | 4.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 67 | 71 | 83 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 79 | 85 |
| Wind speed (m/s) | 4.3 | 4.3 | 4.2 | 3.9 | 3.6 | 3.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 60 | 62 | 56 | 61 | 68 |
| Relative humidity (%) | 86 | 83 | 80 | 77 | 76 | 77 |
| Wind speed (m/s) | 3.6 | 3.7 | 3.5 | 3.5 | 3.6 | 4.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kaseda, inside the city.
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.