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Toyohashi, Japan climate
Cfa Humid subtropical
Toyohashi has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 90°F, while the coldest is January averaging around 35°F at night. Precipitation totals about 64 inches a year and is strongly seasonal — September alone averages 9.1 inches while December barely receives 2.26 inches.
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)Toyohashi climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 52 | 58 | 67 | 75 | 80 | 87 | 90 | 84 | 74 | 64 | 54 |
| Avg temp (°F) | 42 | 43 | 49 | 58 | 66 | 72 | 79 | 81 | 76 | 66 | 56 | 47 |
| Avg low (°F) | 35 | 36 | 41 | 50 | 59 | 66 | 73 | 75 | 69 | 60 | 49 | 40 |
| Precipitation (in) | 2.3 | 2.6 | 5.0 | 5.5 | 6.3 | 7.6 | 7.6 | 4.9 | 9.1 | 7.4 | 3.5 | 2.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 50 | 52 | 58 | 67 | 75 | 80 |
| Avg temp (°F) | 42 | 43 | 49 | 58 | 66 | 72 |
| Avg low (°F) | 35 | 36 | 41 | 50 | 59 | 66 |
| Precipitation (in) | 2.3 | 2.6 | 5.0 | 5.5 | 6.3 | 7.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 90 | 84 | 74 | 64 | 54 |
| Avg temp (°F) | 79 | 81 | 76 | 66 | 56 | 47 |
| Avg low (°F) | 73 | 75 | 69 | 60 | 49 | 40 |
| Precipitation (in) | 7.6 | 4.9 | 9.1 | 7.4 | 3.5 | 2.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 59 | 60 | 62 | 67 | 79 | 70 | 56 | 65 | 62 | 56 | 54 |
| Relative humidity (%) | 82 | 80 | 78 | 78 | 79 | 83 | 85 | 83 | 83 | 83 | 83 | 83 |
| Wind speed (mph) | 3.7 | 3.9 | 3.8 | 3.4 | 2.9 | 2.4 | 2.3 | 2.3 | 2.5 | 2.6 | 2.8 | 3.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 59 | 60 | 62 | 67 | 79 |
| Relative humidity (%) | 82 | 80 | 78 | 78 | 79 | 83 |
| Wind speed (mph) | 3.7 | 3.9 | 3.8 | 3.4 | 2.9 | 2.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 56 | 65 | 62 | 56 | 54 |
| Relative humidity (%) | 85 | 83 | 83 | 83 | 83 | 83 |
| Wind speed (mph) | 2.3 | 2.3 | 2.5 | 2.6 | 2.8 | 3.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Gamagori, about 18 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.