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Urayasu, Japan climate
Cfa Humid subtropical
Urayasu has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 87°F, while the coldest is January averaging around 36°F at night. Precipitation totals about 54 inches a year and is strongly seasonal — October alone averages 8.1 inches while January barely receives 1.97 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)Urayasu climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 51 | 56 | 64 | 72 | 77 | 83 | 87 | 81 | 71 | 63 | 54 |
| Avg temp (°F) | 43 | 44 | 49 | 57 | 65 | 71 | 77 | 80 | 74 | 65 | 56 | 47 |
| Avg low (°F) | 36 | 37 | 42 | 51 | 59 | 66 | 73 | 76 | 70 | 60 | 50 | 41 |
| Precipitation (in) | 2.0 | 2.0 | 4.1 | 4.4 | 4.8 | 5.9 | 5.1 | 4.3 | 7.7 | 8.1 | 3.6 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 51 | 56 | 64 | 72 | 77 |
| Avg temp (°F) | 43 | 44 | 49 | 57 | 65 | 71 |
| Avg low (°F) | 36 | 37 | 42 | 51 | 59 | 66 |
| Precipitation (in) | 2.0 | 2.0 | 4.1 | 4.4 | 4.8 | 5.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 87 | 81 | 71 | 63 | 54 |
| Avg temp (°F) | 77 | 80 | 74 | 65 | 56 | 47 |
| Avg low (°F) | 73 | 76 | 70 | 60 | 50 | 41 |
| Precipitation (in) | 5.1 | 4.3 | 7.7 | 8.1 | 3.6 | 2.1 |
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 (mph) | 6.0 | 6.4 | 6.7 | 6.6 | 5.9 | 5.2 | 5.4 | 5.1 | 5.5 | 5.6 | 5.2 | 5.5 |
| 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 (mph) | 6.0 | 6.4 | 6.7 | 6.6 | 5.9 | 5.2 |
| 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 (mph) | 5.4 | 5.1 | 5.5 | 5.6 | 5.2 | 5.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Edogawa-rinkai, about 4 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.