Australia · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Perth are April, October and November, when daytime temperatures are agreeable and rainfall is relatively low.
Perth sees its warmest weather in February, when daytime highs average around 32°C, and its coolest in July (around 19°C).
Annual precipitation totals roughly 724mm — July is typically the wettest month (~142mm) and December the driest (~10mm).
A distinctly wetter period runs from June to August — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 31° / 18°C | 19mm | 👍 Good |
| February | 32° / 18°C | 13mm | 👍 Good |
| March | 30° / 17°C | 20mm | 👍 Good |
| April | 26° / 14°C | 35mm | 🌟 Great |
| May | 22° / 10°C | 88mm | 🌟 Great |
| June | 20° / 9°C | 127mm | 👍 Good |
| July | 19° / 8°C | 142mm | 👍 Good |
| August | 19° / 8°C | 124mm | 👍 Good |
| September | 21° / 10°C | 83mm | 🌟 Great |
| October | 24° / 12°C | 37mm | 🌟 Great |
| November | 27° / 14°C | 24mm | 🌟 Great |
| December | 29° / 16°C | 10mm | 🌟 Great |
January in Perth is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 18°C (65°F). Expect roughly 19mm of precipitation spread over about 2 rainy days, and rain is rare.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
February in Perth is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 18°C (65°F). Expect roughly 13mm of precipitation spread over about 1 rainy days, and rain is rare.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
March in Perth is warm, with average daytime highs around 30°C (85°F) and nighttime lows near 17°C (62°F). Expect roughly 20mm of precipitation spread over about 3 rainy days, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
April in Perth is warm, with average daytime highs around 26°C (79°F) and nighttime lows near 14°C (57°F). Expect roughly 35mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
May in Perth is pleasantly warm, with average daytime highs around 22°C (72°F) and nighttime lows near 10°C (51°F). Expect roughly 88mm of precipitation spread over about 9 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
June in Perth is pleasantly warm, with average daytime highs around 20°C (67°F) and nighttime lows near 9°C (47°F). Expect roughly 127mm of precipitation spread over about 12 rainy days, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
July in Perth is mild, with average daytime highs around 19°C (65°F) and nighttime lows near 8°C (46°F). Expect roughly 142mm of precipitation spread over about 14 rainy days, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
August in Perth is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 8°C (47°F). Expect roughly 124mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
🎒 What to pack — light layers · comfortable walking shoes · compact umbrella or rain jacket
September in Perth is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 10°C (49°F). Expect roughly 83mm of precipitation spread over about 11 rainy days, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
October in Perth is pleasantly warm, with average daytime highs around 24°C (74°F) and nighttime lows near 12°C (53°F). Expect roughly 37mm of precipitation spread over about 6 rainy days, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
November in Perth is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 14°C (58°F). Expect roughly 24mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
December in Perth is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 16°C (62°F). Expect roughly 10mm of precipitation spread over about 2 rainy days, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses