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Nagahama, Japan climate
Cfa Humid subtropical
Nagahama 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 0°C at night. Around 1632 mm of precipitation falls each year, peaking in July (218 mm) and easing off in November (95 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)Nagahama climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 3 | 3 | 7 | 12 | 17 | 21 | 26 | 27 | 23 | 17 | 11 | 6 |
| Avg low (°C) | 0 | −1 | 2 | 7 | 12 | 17 | 22 | 23 | 19 | 12 | 6 | 2 |
| Precipitation (mm) | 137 | 104 | 111 | 108 | 138 | 165 | 218 | 125 | 160 | 131 | 95 | 138 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 |
| Avg temp (°C) | 3 | 3 | 7 | 12 | 17 | 21 |
| Avg low (°C) | 0 | −1 | 2 | 7 | 12 | 17 |
| Precipitation (mm) | 137 | 104 | 111 | 108 | 138 | 165 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 26 | 27 | 23 | 17 | 11 | 6 |
| Avg low (°C) | 22 | 23 | 19 | 12 | 6 | 2 |
| Precipitation (mm) | 218 | 125 | 160 | 131 | 95 | 138 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 72 | 69 | 66 | 69 | 80 | 77 | 66 | 71 | 66 | 67 | 72 |
| Relative humidity (%) | 88 | 85 | 82 | 80 | 80 | 83 | 85 | 84 | 85 | 85 | 85 | 88 |
| Wind speed (mph) | 8.1 | 8.4 | 8.4 | 7.6 | 6.8 | 6.0 | 5.8 | 5.6 | 6.2 | 6.2 | 6.4 | 7.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 72 | 69 | 66 | 69 | 80 |
| Relative humidity (%) | 88 | 85 | 82 | 80 | 80 | 83 |
| Wind speed (mph) | 8.1 | 8.4 | 8.4 | 7.6 | 6.8 | 6.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 66 | 71 | 66 | 67 | 72 |
| Relative humidity (%) | 85 | 84 | 85 | 85 | 85 | 88 |
| Wind speed (mph) | 5.8 | 5.6 | 6.2 | 6.2 | 6.4 | 7.4 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Nagahama, about 5 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.