CLIMATE
Climate of Onslow, Australia
Seasonal climate characteristics and practical weather context.
Climate of Onslow, Australia
NASA POWER’s 1991–2020 climatology for Onslow, Australia (-21.638, 115.112) gives an annual mean temperature of 25.5 °C and estimated annual precipitation of about 301 mm.
Temperature
March has the highest monthly mean temperature at 29.4 °C. July is coolest at 21.1 °C, a yearly monthly-mean range of 8.3 °C.
Precipitation
February has the highest estimated monthly total (about 71 mm); October has the lowest (about 1 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 28.8 °C | 38 mm |
| February | 29.2 °C | 71 mm |
| March | 29.4 °C | 56 mm |
| April | 28.0 °C | 21 mm |
| May | 25.0 °C | 36 mm |
| June | 22.3 °C | 42 mm |
| July | 21.1 °C | 19 mm |
| August | 21.5 °C | 4 mm |
| September | 22.5 °C | 1 mm |
| October | 24.6 °C | 1 mm |
| November | 25.8 °C | 2 mm |
| December | 27.5 °C | 11 mm |