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Marugame, Japan climate
Cfa Humid subtropical
Marugame has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 33°C, while the coldest is January averaging around 3°C at night. Precipitation totals about 1117 mm a year and is strongly seasonal — July alone averages 161 mm while January barely receives 38 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)Marugame climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 27 | 31 | 33 | 29 | 23 | 17 | 12 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 19 | 23 | 27 | 28 | 25 | 19 | 13 | 9 |
| Avg low (°C) | 3 | 3 | 5 | 10 | 15 | 20 | 24 | 25 | 21 | 15 | 9 | 5 |
| Precipitation (mm) | 38 | 46 | 81 | 80 | 106 | 161 | 161 | 89 | 149 | 106 | 54 | 46 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 27 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 19 | 23 |
| Avg low (°C) | 3 | 3 | 5 | 10 | 15 | 20 |
| Precipitation (mm) | 38 | 46 | 81 | 80 | 106 | 161 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 33 | 29 | 23 | 17 | 12 |
| Avg temp (°C) | 27 | 28 | 25 | 19 | 13 | 9 |
| Avg low (°C) | 24 | 25 | 21 | 15 | 9 | 5 |
| Precipitation (mm) | 161 | 89 | 149 | 106 | 54 | 46 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 74 | 70 | 66 | 69 | 79 | 73 | 66 | 72 | 67 | 69 | 74 |
| Relative humidity (%) | 78 | 77 | 76 | 76 | 77 | 81 | 83 | 80 | 80 | 79 | 79 | 79 |
| Wind speed (km/h) | 11.8 | 11.6 | 11.2 | 9.7 | 8.2 | 7.2 | 7.4 | 7.7 | 8.9 | 9.4 | 9.4 | 11.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 74 | 70 | 66 | 69 | 79 |
| Relative humidity (%) | 78 | 77 | 76 | 76 | 77 | 81 |
| Wind speed (km/h) | 11.8 | 11.6 | 11.2 | 9.7 | 8.2 | 7.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 66 | 72 | 67 | 69 | 74 |
| Relative humidity (%) | 83 | 80 | 80 | 79 | 79 | 79 |
| Wind speed (km/h) | 7.4 | 7.7 | 8.9 | 9.4 | 9.4 | 11.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tadotsu, about 3 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.