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Imabari, Japan climate
Cfa Humid subtropical
Imabari 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. Around 1313 mm of precipitation falls each year, peaking in June (196 mm) and easing off in January (50 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)Imabari climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 26 | 31 | 32 | 28 | 23 | 17 | 12 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 18 | 22 | 26 | 27 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 2 | 2 | 4 | 9 | 14 | 18 | 23 | 24 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 50 | 60 | 97 | 97 | 112 | 196 | 192 | 94 | 165 | 122 | 70 | 59 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 10 | 14 | 19 | 24 | 26 |
| Avg temp (°C) | 6 | 6 | 9 | 14 | 18 | 22 |
| Avg low (°C) | 2 | 2 | 4 | 9 | 14 | 18 |
| Precipitation (mm) | 50 | 60 | 97 | 97 | 112 | 196 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 32 | 28 | 23 | 17 | 12 |
| Avg temp (°C) | 26 | 27 | 24 | 19 | 13 | 8 |
| Avg low (°C) | 23 | 24 | 20 | 15 | 9 | 4 |
| Precipitation (mm) | 192 | 94 | 165 | 122 | 70 | 59 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 73 | 68 | 68 | 79 | 75 | 67 | 72 | 68 | 72 | 78 |
| Relative humidity (%) | 81 | 79 | 77 | 76 | 78 | 82 | 83 | 81 | 81 | 81 | 80 | 81 |
| Wind speed (m/s) | 2.1 | 2.1 | 2.0 | 1.7 | 1.4 | 1.2 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 81 | 79 | 73 | 68 | 68 | 79 |
| Relative humidity (%) | 81 | 79 | 77 | 76 | 78 | 82 |
| Wind speed (m/s) | 2.1 | 2.1 | 2.0 | 1.7 | 1.4 | 1.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 67 | 72 | 68 | 72 | 78 |
| Relative humidity (%) | 83 | 81 | 81 | 81 | 80 | 81 |
| Wind speed (m/s) | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Imabari, 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.