Kochi, Japan climate
Cfa Humid subtropical
Kochi 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 2°C at night. Precipitation totals about 2667 mm a year and is strongly seasonal — September alone averages 398 mm while January barely receives 59 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)Kochi climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 16 | 21 | 25 | 27 | 31 | 32 | 30 | 25 | 20 | 14 |
| Avg temp (°C) | 7 | 8 | 11 | 16 | 20 | 23 | 27 | 28 | 25 | 20 | 14 | 9 |
| Avg low (°C) | 2 | 3 | 6 | 11 | 16 | 20 | 24 | 25 | 21 | 16 | 10 | 4 |
| Precipitation (mm) | 59 | 108 | 175 | 225 | 280 | 360 | 357 | 284 | 398 | 207 | 130 | 83 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 16 | 21 | 25 | 27 |
| Avg temp (°C) | 7 | 8 | 11 | 16 | 20 | 23 |
| Avg low (°C) | 2 | 3 | 6 | 11 | 16 | 20 |
| Precipitation (mm) | 59 | 108 | 175 | 225 | 280 | 360 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 30 | 25 | 20 | 14 |
| Avg temp (°C) | 27 | 28 | 25 | 20 | 14 | 9 |
| Avg low (°C) | 24 | 25 | 21 | 16 | 10 | 4 |
| Precipitation (mm) | 357 | 284 | 398 | 207 | 130 | 83 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 68 | 66 | 72 | 83 | 75 | 66 | 72 | 65 | 65 | 65 |
| Relative humidity (%) | 80 | 77 | 75 | 75 | 78 | 83 | 86 | 83 | 80 | 77 | 78 | 80 |
| Wind speed (mph) | 9.6 | 9.6 | 9.4 | 8.6 | 7.7 | 7.0 | 6.9 | 7.2 | 7.8 | 8.3 | 8.1 | 9.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 69 | 68 | 66 | 72 | 83 |
| Relative humidity (%) | 80 | 77 | 75 | 75 | 78 | 83 |
| Wind speed (mph) | 9.6 | 9.6 | 9.4 | 8.6 | 7.7 | 7.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 66 | 72 | 65 | 65 | 65 |
| Relative humidity (%) | 86 | 83 | 80 | 77 | 78 | 80 |
| Wind speed (mph) | 6.9 | 7.2 | 7.8 | 8.3 | 8.1 | 9.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Kochi, 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.