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Minamishimabara, Japan climate
Cfa Humid subtropical
Minamishimabara 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 3°C at night. Precipitation totals about 1814 mm a year and is strongly seasonal — June alone averages 367 mm while January barely receives 61 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)Minamishimabara climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 12 | 16 | 20 | 24 | 27 | 31 | 32 | 29 | 25 | 19 | 13 |
| Avg temp (°C) | 7 | 8 | 11 | 15 | 20 | 23 | 27 | 28 | 25 | 20 | 14 | 9 |
| Avg low (°C) | 3 | 4 | 7 | 11 | 15 | 20 | 24 | 25 | 21 | 16 | 10 | 5 |
| Precipitation (mm) | 61 | 79 | 115 | 133 | 152 | 367 | 305 | 181 | 175 | 89 | 90 | 69 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 12 | 16 | 20 | 24 | 27 |
| Avg temp (°C) | 7 | 8 | 11 | 15 | 20 | 23 |
| Avg low (°C) | 3 | 4 | 7 | 11 | 15 | 20 |
| Precipitation (mm) | 61 | 79 | 115 | 133 | 152 | 367 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 29 | 25 | 19 | 13 |
| Avg temp (°C) | 27 | 28 | 25 | 20 | 14 | 9 |
| Avg low (°C) | 24 | 25 | 21 | 16 | 10 | 5 |
| Precipitation (mm) | 305 | 181 | 175 | 89 | 90 | 69 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 67 | 66 | 64 | 68 | 81 | 70 | 62 | 63 | 55 | 60 | 66 |
| Relative humidity (%) | 76 | 74 | 74 | 76 | 80 | 86 | 87 | 83 | 81 | 77 | 75 | 75 |
| Wind speed (mph) | 8.4 | 8.1 | 7.6 | 6.3 | 5.0 | 4.6 | 4.7 | 5.1 | 6.0 | 6.9 | 7.2 | 8.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 67 | 66 | 64 | 68 | 81 |
| Relative humidity (%) | 76 | 74 | 74 | 76 | 80 | 86 |
| Wind speed (mph) | 8.4 | 8.1 | 7.6 | 6.3 | 5.0 | 4.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 62 | 63 | 55 | 60 | 66 |
| Relative humidity (%) | 87 | 83 | 81 | 77 | 75 | 75 |
| Wind speed (mph) | 4.7 | 5.1 | 6.0 | 6.9 | 7.2 | 8.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kuchinotsu, about 10 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.