WeatherWX.comPerth Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 16°F | Hi 31°F Lo 17°F | Hi 41°F Lo 25°F | Hi 54°F Lo 35°F | Hi 68°F Lo 45°F | Hi 76°F Lo 52°F | Hi 82°F Lo 58°F | Hi 80°F Lo 57°F | Hi 73°F Lo 50°F | Hi 59°F Lo 42°F | Hi 46°F Lo 31°F | Hi 35°F Lo 25°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 7 mph | 7 mph | 8 mph |
| 2.6 in | 3 in | 3 in | 3.9 in | 4.4 in | 4.1 in | 3.8 in | 4.5 in | 3.2 in | 3.8 in | 2.6 in | 3.1 in |
| 83% | 85% | 80% | 75% | 76% | 76% | 76% | 77% | 78% | 80% | 78% | 82% |
| 57% | 60% | 53% | 50% | 44% | 39% | 33% | 32% | 34% | 47% | 44% | 56% |
| 30.0 in | 30.0 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 8 | 7 | 13 | 19 | 24 | 25 | 25 | 26 | 26 | 25 | 19 | 11 |
| 6 | 6 | 8 | 8 | 7 | 6 | 6 | 5 | 4 | 6 | 6 | 8 |
| 17 | 16 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 12 |
| 5 | 7 | 6 | 4 | 8 | 9 | 8 | 9 | 8 | 6 | 5 | 5 |
| 1 | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 3 | 2 | 1 | 1 |
| 226 | 190 | 243 | 244 | 283 | 299 | 331 | 336 | 308 | 276 | 271 | 228 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -9°C | Hi -1°C Lo -8°C | Hi 5°C Lo -4°C | Hi 12°C Lo 2°C | Hi 20°C Lo 7°C | Hi 24°C Lo 11°C | Hi 28°C Lo 14°C | Hi 27°C Lo 14°C | Hi 23°C Lo 10°C | Hi 15°C Lo 6°C | Hi 8°C Lo -1°C | Hi 1°C Lo -4°C |
| 13 km/h | 13 km/h | 13 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 11 km/h | 11 km/h | 12 km/h |
| 66 mm | 76 mm | 77 mm | 99 mm | 111 mm | 104 mm | 96 mm | 114 mm | 82 mm | 97 mm | 67 mm | 77 mm |
| 83% | 85% | 80% | 75% | 76% | 76% | 76% | 77% | 78% | 80% | 78% | 82% |
| 57% | 60% | 53% | 50% | 44% | 39% | 33% | 32% | 34% | 47% | 44% | 56% |
| 1017 mb | 1017 mb | 1018 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1018 mb | 1016 mb | 1019 mb | 1018 mb |
| 8 | 7 | 13 | 19 | 24 | 25 | 25 | 26 | 26 | 25 | 19 | 11 |
| 6 | 6 | 8 | 8 | 7 | 6 | 6 | 5 | 4 | 6 | 6 | 8 |
| 17 | 16 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 12 |
| 5 | 7 | 6 | 4 | 8 | 9 | 8 | 9 | 8 | 6 | 5 | 5 |
| 1 | 1 | 2 | 3 | 5 | 6 | 5 | 5 | 3 | 2 | 1 | 1 |
| 226 | 190 | 243 | 244 | 283 | 299 | 331 | 336 | 308 | 276 | 271 | 228 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
