CLIMATE
Climate of Mountwilliam, Australia
Seasonal climate characteristics and practical weather context.
Climate of Mountwilliam, Australia
NASA POWER’s 1991–2020 climatology for Mountwilliam, Australia (-37.400, 142.600) gives an annual mean temperature of 13.2 °C and estimated annual precipitation of about 608 mm.
Temperature
January has the highest monthly mean temperature at 19.8 °C. July is coolest at 7.3 °C, a yearly monthly-mean range of 12.4 °C.
Precipitation
August has the highest estimated monthly total (about 73 mm); February has the lowest (about 28 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 19.8 °C | 37 mm |
| February | 19.6 °C | 28 mm |
| March | 17.3 °C | 30 mm |
| April | 13.6 °C | 43 mm |
| May | 10.4 °C | 52 mm |
| June | 8.1 °C | 68 mm |
| July | 7.3 °C | 69 mm |
| August | 7.9 °C | 73 mm |
| September | 9.7 °C | 68 mm |
| October | 12.2 °C | 52 mm |
| November | 15.1 °C | 46 mm |
| December | 17.5 °C | 43 mm |