Full Climatology For Rolleston
Long Term Averages
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANNUAL | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Max (°C) | 34.8 | 33.9 | 32.4 | 29.5 | 25.8 | 22.6 | 22.8 | 25.4 | 28.5 | 31.7 | 33.0 | 34.3 | 29.6 |
| Mean Min (°C) | 21.6 | 20.9 | 19.7 | 14.8 | 10.5 | 7.5 | 6.5 | 7.3 | 11.1 | 15.3 | 18.2 | 20.3 | 14.4 |
| Mean Rain (mm) | 103.0 | 89.9 | 69.7 | 26.3 | 21.7 | 31.1 | 26.6 | 19.5 | 30.9 | 44.4 | 55.9 | 80.5 | 557.3 |
| Rain Days | 9.0 | 7.0 | 8.0 | 4.0 | 4.0 | 4.0 | 5.0 | 2.0 | 4.0 | 6.0 | 7.0 | 8.0 | 68.0 |
Daily Records
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANNUAL | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Max (°C) | 43.7 | 43.2 | 40.7 | 35.8 | 34.5 | 31.7 | 30.8 | 33.9 | 40.7 | 40.0 | 41.9 | 43.2 | 43.7 |
| Low Max (°C) | 21.2 | 20.7 | 21.7 | 16.2 | 14.4 | 10.4 | 11.7 | 15.2 | 15.6 | 18.5 | 21.8 | 21.5 | 10.4 |
| High Min (°C) | 27.4 | 27.1 | 25.3 | 23.6 | 22.1 | 18.5 | 17.7 | 18.1 | 21.0 | 22.6 | 25.1 | 26.1 | 27.4 |
| Low Min (°C) | 16.2 | 11.9 | 12.0 | 4.9 | 0.8 | -1.2 | -2.5 | -2.7 | 0.8 | 5.5 | 9.3 | 12.6 | -2.7 |
| High Rain (mm) | 131.4 | 149.6 | 76.8 | 49.2 | 45.2 | 46.0 | 63.8 | 56.0 | 70.6 | 40.0 | 66.8 | 78.6 | 149.6 |
Monthly Records
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANNUAL | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High Mean Max (°C) | 36.3 | 37.1 | 34.7 | 32.2 | 29.2 | 24.3 | 24.9 | 27.5 | 32.9 | 35.4 | 36.1 | 38.4 | 30.2 |
| Low Mean Max (°C) | 32.4 | 31.4 | 29.3 | 27.1 | 23.2 | 20.6 | 20.1 | 23.1 | 25.3 | 27.9 | 27.8 | 29.4 | 28.1 |
| High Mean Min (°C) | 23.2 | 22.6 | 21.0 | 16.8 | 15.6 | 9.8 | 9.1 | 9.8 | 14.1 | 17.9 | 20.2 | 21.7 | 15.5 |
| Low Mean Min (°C) | 20.4 | 18.5 | 17.8 | 12.7 | 6.0 | 6.0 | 3.6 | 5.0 | 8.4 | 11.9 | 15.8 | 18.1 | 13.1 |
| High Rain (mm) | 192.6 | 290.6 | 206.6 | 99.2 | 129.0 | 105.0 | 87.6 | 88.2 | 250.6 | 150.2 | 197.2 | 399.8 | 840.2 |
| Low Rain (mm) | 13.0 | 0.0 | 21.0 | 0.0 | 0.0 | 0.8 | 1.2 | 0.0 | 0.0 | 2.0 | 8.2 | 5.4 | 240.0 |
Average Number of Days with Temperatures
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANNUAL | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥ 40.0°C | 1.3 | 1.2 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.3 | 1.7 | 4.9 |
| ≥ 35.0°C | 15.2 | 9.4 | 5.9 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 1.3 | 5.1 | 9.3 | 13.2 | 59.4 |
| ≥ 30.0°C | 28.6 | 25.3 | 24.1 | 13.5 | 1.6 | 0.1 | 0.1 | 2.1 | 9.2 | 22.2 | 23.6 | 27.7 | 179.4 |
| ≤ 2.0°C | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 3.9 | 5.2 | 2.9 | 0.2 | 0.0 | 0.0 | 0.0 | 11.6 |
| ≤ 0.0°C | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 1.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 2.1 |