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Gushikawa, Japan climate
Cfa Humid subtropical
Gushikawa has a mildly seasonal warm-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 15°C at night. Around 1957 mm of precipitation falls each year, peaking in May (295 mm) and easing off in January (83 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)Gushikawa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 20 | 21 | 23 | 26 | 29 | 31 | 31 | 30 | 28 | 24 | 21 |
| Avg temp (°C) | 17 | 17 | 19 | 21 | 23 | 26 | 28 | 28 | 28 | 25 | 22 | 18 |
| Avg low (°C) | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 27 | 26 | 23 | 20 | 16 |
| Precipitation (mm) | 83 | 107 | 118 | 141 | 295 | 293 | 124 | 185 | 172 | 203 | 135 | 99 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 20 | 21 | 23 | 26 | 29 |
| Avg temp (°C) | 17 | 17 | 19 | 21 | 23 | 26 |
| Avg low (°C) | 15 | 15 | 16 | 19 | 22 | 25 |
| Precipitation (mm) | 83 | 107 | 118 | 141 | 295 | 293 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 30 | 28 | 24 | 21 |
| Avg temp (°C) | 28 | 28 | 28 | 25 | 22 | 18 |
| Avg low (°C) | 26 | 27 | 26 | 23 | 20 | 16 |
| Precipitation (mm) | 124 | 185 | 172 | 203 | 135 | 99 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 84 | 82 | 81 | 81 | 78 | 75 | 57 | 56 | 60 | 65 | 75 | 81 |
| Relative humidity (%) | 75 | 76 | 77 | 80 | 83 | 88 | 83 | 82 | 80 | 77 | 76 | 74 |
| Wind speed (m/s) | 6.1 | 5.9 | 5.6 | 5.1 | 4.6 | 5.0 | 4.9 | 5.1 | 5.3 | 5.9 | 6.0 | 6.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 84 | 82 | 81 | 81 | 78 | 75 |
| Relative humidity (%) | 75 | 76 | 77 | 80 | 83 | 88 |
| Wind speed (m/s) | 6.1 | 5.9 | 5.6 | 5.1 | 4.6 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 56 | 60 | 65 | 75 | 81 |
| Relative humidity (%) | 83 | 82 | 80 | 77 | 76 | 74 |
| Wind speed (m/s) | 4.9 | 5.1 | 5.3 | 5.9 | 6.0 | 6.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Miyagijima, 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.