Climate Chart of Perth, Australia
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Perth, Australia, the climate data describe 2013–2023. The monthly mean temperature reaches 24.4 °C in February, while its lowest point is 13.4 °C in July; these are monthly averages, not daytime highs or lows. Rainfall and sunshine also have distinct monthly peaks, giving visitors useful context for planning around the calendar. The figures describe averages rather than guarantees about conditions on any particular day.
Climate overview
Temperature
Monthly mean temperatures are highest at 24.4 °C in February and lowest at 13.4 °C in July. This marks the range in the monthly averages, not the full range visitors might encounter during individual days, and neither figure represents a daytime maximum. The unweighted mean across the monthly means is 18.5 °C; it summarizes the calendar-month averages without weighting them by the number of days in each month.
Rain
Mean daily rainfall is highest at 3.54 mm/day in July and lowest at 0.24 mm/day in December. The lowest monthly mean may help visitors prioritising lower average rainfall choose when to travel, but it does not promise dry days or indicate how often rain occurs. These are daily means, not monthly rainfall totals. Across the calendar-month means, the unweighted mean is 1.68 mm/day.
Sunshine
Mean daily sunshine duration peaks at 12.96 hours/day in December, while its lowest monthly mean is 8.07 hours/day in July. These averages can help with planning outdoor time, though sunshine duration is not the same as day length and does not guarantee clear conditions. The unweighted mean across monthly sunshine means is 10.41 hours/day.
Best Travel Time Guide for Perth, Australia: Ideal Seasons and Weather Insights
For visitors prioritising cooler monthly-average conditions, July is the relevant option, with a monthly mean temperature of 13.4 °C; this does not describe daytime highs or predict the weather on a particular visit. Those planning outdoor sightseeing around sunshine may also consider December, when mean daily sunshine reaches 12.96 hours/day, while keeping in mind that this is an average rather than a guarantee of clear skies. If lower average rainfall is the priority, December has the lowest mean daily rainfall at 0.24 mm/day. Visitors should still prepare for variable day-to-day weather: a low average does not guarantee rain-free days or measure rain frequency. For rain preparation, note that the highest mean daily rainfall occurs in July, at 3.54 mm/day; neither figure is a monthly total.
Climate Data Overview for Perth, Australia
Explore the comprehensive climate data for Perth, Australia. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 24.3 | 0.70 | 0.00 | 12.55 |
| Feb | 24.4 | 0.66 | 0.00 | 11.91 |
| Mar | 22.7 | 1.30 | 0.00 | 10.33 |
| Apr | 19.4 | 1.30 | 0.00 | 9.50 |
| May | 15.8 | 2.55 | 0.00 | 8.63 |
| Jun | 13.9 | 3.07 | 0.00 | 8.14 |
| Jul | 13.4 | 3.54 | 0.00 | 8.07 |
| Aug | 13.5 | 3.13 | 0.00 | 9.08 |
| Sep | 14.8 | 1.82 | 0.00 | 10.20 |
| Oct | 17.0 | 1.16 | 0.00 | 11.18 |
| Nov | 20.1 | 0.64 | 0.00 | 12.34 |
| Dec | 22.7 | 0.24 | 0.00 | 12.96 |
| Average | 18.5 | 1.68 | 0.00 | 10.41 |
