Shima, Japan climate
Cfa Humid subtropical
Shima 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. Precipitation totals about 2274 mm a year and is strongly seasonal — September alone averages 379 mm while December barely receives 75 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)Shima climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 14 | 19 | 23 | 26 | 29 | 31 | 28 | 23 | 18 | 13 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 18 | 22 | 26 | 27 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 2 | 2 | 5 | 9 | 14 | 18 | 22 | 23 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 77 | 87 | 161 | 193 | 223 | 257 | 229 | 186 | 379 | 286 | 122 | 75 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 11 | 14 | 19 | 23 | 26 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 18 | 22 |
| Avg low (°C) | 2 | 2 | 5 | 9 | 14 | 18 |
| Precipitation (mm) | 77 | 87 | 161 | 193 | 223 | 257 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 31 | 28 | 23 | 18 | 13 |
| Avg temp (°C) | 26 | 27 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 22 | 23 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 229 | 186 | 379 | 286 | 122 | 75 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 67 | 65 | 70 | 81 | 75 | 63 | 70 | 66 | 63 | 63 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 80 | 84 | 86 | 84 | 82 | 79 | 77 | 77 |
| Wind speed (m/s) | 4.8 | 4.8 | 4.4 | 3.8 | 3.2 | 2.7 | 2.5 | 2.7 | 3.2 | 3.6 | 3.9 | 4.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 67 | 67 | 65 | 70 | 81 |
| Relative humidity (%) | 77 | 76 | 75 | 76 | 80 | 84 |
| Wind speed (m/s) | 4.8 | 4.8 | 4.4 | 3.8 | 3.2 | 2.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 63 | 70 | 66 | 63 | 63 |
| Relative humidity (%) | 86 | 84 | 82 | 79 | 77 | 77 |
| Wind speed (m/s) | 2.5 | 2.7 | 3.2 | 3.6 | 3.9 | 4.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Minami-ise, about 14 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.