Perth Weather
Perth weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec.
Perth current weather
Perth now (local time 16:00)
18°C
Clear
- Feels like
- 17°
- Humidity
- 66%
- Wind
- 14 km/h
Next 7 days · what to wear
11° – 23°C
Rain likely on 2 of 7 days
👕 Long sleeves with a light jacket or sweater.
Perth 14-day forecast
Today
10/4
☁️
19°
12°
💧0%
Mon
10/5
☁️
20°
12°
💧0%
Tue
10/6
☁️
23°
12°
💧0%
Wed
10/7
🌦️
20°
15°
💧8%
Thu
10/8
🌦️
18°
12°
💧75%
Fri
10/9
🌦️
16°
11°
💧41%
Sat
10/10
🌦️
18°
13°
💧39%
Sun
10/11
🌦️
16°
10°
💧17%
Mon
10/12
☁️
15°
8°
💧6%
Tue
10/13
☁️
16°
8°
💧4%
Wed
10/14
⛅
19°
10°
💧4%
Thu
10/15
☁️
23°
12°
💧20%
Fri
10/16
☁️
28°
16°
💧27%
Sat
10/17
🌦️
20°
17°
💧41%
Best time to visit Perth
On temperature and rainfall, the most comfortable months in Perth are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is February (average high 27°C) and the coldest is July (average low 14°C).
Perth climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 26°C | 19°C | 18 mm | 65% | +6°C |
| FebBest | 27°C | 20°C | 17 mm | 65% | +6°C |
| MarBest | 26°C | 19°C | 20 mm | 65% | +3°C |
| AprBest | 23°C | 18°C | 34 mm | 69% | -3°C |
| MayBest | 21°C | 16°C | 84 mm | 69% | -8°C |
| JunBest | 19°C | 15°C | 113 mm | 71% | -12°C |
| JulBest | 18°C | 14°C | 128 mm | 73% | -14°C |
| AugBest | 18°C | 13°C | 106 mm | 74% | -14°C |
| SepBest | 18°C | 13°C | 70 mm | 73% | -12°C |
| OctBest | 20°C | 15°C | 32 mm | 73% | -9°C |
| NovBest | 22°C | 16°C | 25 mm | 69% | -3°C |
| DecBest | 25°C | 18°C | 12 mm | 65% | +3°C |
Data: NASA POWER 2001–2020 climatology (MERRA-2, elevation-corrected); Hong Kong comparison uses HKO 1991–2020 normals.
Perth weather month by month: what to wear
Perth in OctoberBest monthThis month
October in Perth is mild and cool: average highs of 20°C and lows of 15°C, around 32 mm of rain (mostly dry) and 73% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Perth in NovemberBest month
November in Perth is pleasantly warm: average highs of 22°C and lows of 16°C, around 25 mm of rain (dry) and 69% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Perth in DecemberBest month
December in Perth is pleasantly warm: average highs of 25°C and lows of 18°C, around 12 mm of rain (dry) and 65% humidity — about 3°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Perth in JanuaryBest month
January in Perth is warm to hot: average highs of 26°C and lows of 19°C, around 18 mm of rain (dry) and 65% humidity — about 6°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Perth in FebruaryBest month
February in Perth is warm to hot: average highs of 27°C and lows of 20°C, around 17 mm of rain (dry) and 65% humidity — about 6°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Perth in MarchBest month
March in Perth is pleasantly warm: average highs of 26°C and lows of 19°C, around 20 mm of rain (dry) and 65% humidity — about 3°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Perth in AprilBest month
April in Perth is pleasantly warm: average highs of 23°C and lows of 18°C, around 34 mm of rain (mostly dry) and 69% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Perth in MayBest month
May in Perth is mild and cool: average highs of 21°C and lows of 16°C, around 84 mm of rain (some rain) and 69% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Perth in JuneBest month
June in Perth is mild and cool: average highs of 19°C and lows of 15°C, around 113 mm of rain (some rain) and 71% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Perth in JulyBest month
July in Perth is mild and cool: average highs of 18°C and lows of 14°C, around 128 mm of rain (some rain) and 73% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Perth in AugustBest month
August in Perth is mild and cool: average highs of 18°C and lows of 13°C, around 106 mm of rain (some rain) and 74% humidity — about 14°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Perth in SeptemberBest month
September in Perth is mild and cool: average highs of 18°C and lows of 13°C, around 70 mm of rain (mostly dry) and 73% humidity — about 12°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
FAQ
›What is the best time to visit Perth?
On temperature and rainfall, the most comfortable months in Perth are Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov and Dec. The hottest month is February (average high 27°C) and the coldest is July (average low 14°C).
›What's the weather like in Perth in October, and what should I wear?
October in Perth is mild and cool: average highs of 20°C and lows of 15°C, around 32 mm of rain (mostly dry) and 73% humidity — about 9°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
›What's the weather like in Perth in November, and what should I wear?
November in Perth is pleasantly warm: average highs of 22°C and lows of 16°C, around 25 mm of rain (dry) and 69% humidity — about 3°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
›When is the rainy season in Perth?
Perth is wettest in July, with about 128 mm on average, and driest in December, with about 12 mm.
›How cold does Perth get? Does it snow?
The coldest month is July, averaging 18°C by day and 14°C at night. Snow is very unlikely.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: February; coldest: July.