CLIMATE
Climate of Osaka, Japan
Seasonal climate characteristics and practical weather context.
Climate of Osaka, Japan
NASA POWER’s 1991–2020 climatology for Osaka, Japan (34.694, 135.501) gives an annual mean temperature of 14.0 °C and estimated annual precipitation of about 1,714 mm.
Temperature
August has the highest monthly mean temperature at 25.6 °C. January is coolest at 2.7 °C, a yearly monthly-mean range of 22.9 °C.
Precipitation
September has the highest estimated monthly total (about 226 mm); January has the lowest (about 64 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 2.7 °C | 64 mm |
| February | 3.5 °C | 74 mm |
| March | 6.7 °C | 117 mm |
| April | 12.1 °C | 135 mm |
| May | 17.0 °C | 169 mm |
| June | 21.0 °C | 219 mm |
| July | 24.9 °C | 210 mm |
| August | 25.6 °C | 162 mm |
| September | 22.1 °C | 226 mm |
| October | 16.2 °C | 177 mm |
| November | 10.5 °C | 92 mm |
| December | 5.1 °C | 69 mm |