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Hikone, Japan climate
Cfa Humid subtropical
Hikone 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 1°C at night. Around 1610 mm of precipitation falls each year, peaking in July (219 mm) and easing off in November (86 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)Hikone climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 17 | 23 | 26 | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 4 | 4 | 7 | 12 | 18 | 22 | 26 | 28 | 24 | 18 | 12 | 7 |
| Avg low (°C) | 1 | 1 | 4 | 8 | 14 | 18 | 23 | 24 | 20 | 14 | 8 | 3 |
| Precipitation (mm) | 112 | 100 | 115 | 117 | 147 | 176 | 219 | 125 | 168 | 141 | 86 | 106 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 17 | 23 | 26 |
| Avg temp (°C) | 4 | 4 | 7 | 12 | 18 | 22 |
| Avg low (°C) | 1 | 1 | 4 | 8 | 14 | 18 |
| Precipitation (mm) | 112 | 100 | 115 | 117 | 147 | 176 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 26 | 28 | 24 | 18 | 12 | 7 |
| Avg low (°C) | 23 | 24 | 20 | 14 | 8 | 3 |
| Precipitation (mm) | 219 | 125 | 168 | 141 | 86 | 106 |
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 (m/s) | 3.6 | 3.8 | 3.8 | 3.4 | 3.1 | 2.7 | 2.6 | 2.5 | 2.8 | 2.8 | 2.8 | 3.3 |
| 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 (m/s) | 3.6 | 3.8 | 3.8 | 3.4 | 3.1 | 2.7 |
| 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 (m/s) | 2.6 | 2.5 | 2.8 | 2.8 | 2.8 | 3.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Hikone, 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.