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Tamura, Japan climate
Cfa Humid subtropical
Tamura has a seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 28°C, while the coldest is January averaging around −4°C at night. Precipitation totals about 1181 mm a year and is strongly seasonal — July alone averages 182 mm while February barely receives 34 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)Tamura climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 5 | 9 | 15 | 21 | 24 | 27 | 28 | 24 | 18 | 12 | 6 |
| Avg temp (°C) | −1 | 0 | 3 | 9 | 15 | 18 | 22 | 23 | 19 | 13 | 7 | 2 |
| Avg low (°C) | −4 | −4 | −2 | 3 | 9 | 14 | 18 | 19 | 15 | 9 | 2 | −2 |
| Precipitation (mm) | 42 | 34 | 72 | 84 | 91 | 118 | 182 | 149 | 167 | 141 | 61 | 40 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 5 | 9 | 15 | 21 | 24 |
| Avg temp (°C) | −1 | 0 | 3 | 9 | 15 | 18 |
| Avg low (°C) | −4 | −4 | −2 | 3 | 9 | 14 |
| Precipitation (mm) | 42 | 34 | 72 | 84 | 91 | 118 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 28 | 24 | 18 | 12 | 6 |
| Avg temp (°C) | 22 | 23 | 19 | 13 | 7 | 2 |
| Avg low (°C) | 18 | 19 | 15 | 9 | 2 | −2 |
| Precipitation (mm) | 182 | 149 | 167 | 141 | 61 | 40 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 63 | 65 | 66 | 69 | 77 | 78 | 69 | 74 | 68 | 63 | 63 |
| Relative humidity (%) | 88 | 85 | 82 | 80 | 80 | 83 | 85 | 84 | 86 | 86 | 87 | 88 |
| Wind speed (km/h) | 9.6 | 10.3 | 10.2 | 9.6 | 8.2 | 6.6 | 6.1 | 6.1 | 6.8 | 7.1 | 7.5 | 8.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 63 | 65 | 66 | 69 | 77 |
| Relative humidity (%) | 88 | 85 | 82 | 80 | 80 | 83 |
| Wind speed (km/h) | 9.6 | 10.3 | 10.2 | 9.6 | 8.2 | 6.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 69 | 74 | 68 | 63 | 63 |
| Relative humidity (%) | 85 | 84 | 86 | 86 | 87 | 88 |
| Wind speed (km/h) | 6.1 | 6.1 | 6.8 | 7.1 | 7.5 | 8.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Funehiki, about 2 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.