Sakai, Japan climate
Cfa Humid subtropical
Sakai 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 0°C at night. Around 2042 mm of precipitation falls each year, peaking in December (279 mm) and easing off in February (112 mm).
☀️
Summers
Hot
Highs near 32°C in August.
❄️
Winters
Chilly
Lows near 0°C in January.
🌧️
Rain
Very wet
About 2042 mm of rain a year.
Wettest in December
⛅
Sky & trend
Often grey
Overcast skies dominate much of the year.
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)Sakai climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 3 | 4 | 7 | 12 | 18 | 22 | 26 | 27 | 23 | 17 | 12 | 6 |
| Avg low (°C) | 0 | 0 | 3 | 7 | 13 | 18 | 23 | 24 | 19 | 13 | 8 | 3 |
| Precipitation (mm) | 181 | 112 | 129 | 126 | 136 | 140 | 241 | 149 | 225 | 157 | 167 | 279 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 12 | 18 | 23 | 26 |
| Avg temp (°C) | 3 | 4 | 7 | 12 | 18 | 22 |
| Avg low (°C) | 0 | 0 | 3 | 7 | 13 | 18 |
| Precipitation (mm) | 181 | 112 | 129 | 126 | 136 | 140 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 32 | 28 | 22 | 16 | 10 |
| Avg temp (°C) | 26 | 27 | 23 | 17 | 12 | 6 |
| Avg low (°C) | 23 | 24 | 19 | 13 | 8 | 3 |
| Precipitation (mm) | 241 | 149 | 225 | 157 | 167 | 279 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 90 | 86 | 78 | 72 | 73 | 81 | 79 | 69 | 76 | 72 | 77 | 86 |
| Relative humidity (%) | 86 | 83 | 80 | 78 | 79 | 82 | 85 | 83 | 83 | 82 | 82 | 85 |
| Wind speed (km/h) | 12.4 | 12.5 | 12.0 | 10.7 | 9.4 | 7.8 | 7.8 | 7.9 | 9.3 | 9.8 | 10.4 | 11.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 90 | 86 | 78 | 72 | 73 | 81 |
| Relative humidity (%) | 86 | 83 | 80 | 78 | 79 | 82 |
| Wind speed (km/h) | 12.4 | 12.5 | 12.0 | 10.7 | 9.4 | 7.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 69 | 76 | 72 | 77 | 86 |
| Relative humidity (%) | 85 | 83 | 83 | 82 | 82 | 85 |
| Wind speed (km/h) | 7.8 | 7.9 | 9.3 | 9.8 | 10.4 | 11.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Harue, 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.