Weather in Perth 🇦🇺
Monthly weather averages & travel planning
October
Avg Temp
22°C
Rain Days
5 days
Sun Hours
12 hrs
Humidity
70%
Oceania › 🇦🇺 Australia › Perth
Updated: March 2026
Is October a Good Time to Visit Perth?
7/10
Good
October is a good time to visit Perth (7/10). With 12 daily sunshine hours and only 5 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 5th sunniest of the year in Perth. Culture-focused travellers and those who prefer lighter crowds will find October a practical choice, with prices running lower than peak January without sacrificing all the good weather. September offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Perth's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
vs September:19°C avg high
The single most important thing to know about visiting Perth in October: conditions are genuinely cooperative, with 22°C highs and only 5 wet days making this one of the more straightforward months to plan around. Precipitation totals 29mm for the month, spread across roughly 5 days, and 12 sunshine hours per day give you a reliable window for outdoor plans.
22°C
72°F
Avg High
13°C
55°F
Avg Low
5 days
29 mm total
Rain Days
12h
per day avg
Sunshine
70%
Moderate
Humidity
Temperature in Perth in October
The 9°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 70%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Average wind speeds of 26 km/h add a meaningful windchill factor, making the 22°C temperature feel cooler than it reads. In Fahrenheit: 72°F average high, 55°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Perth in October
Morning13°CBefore the day warms up
Afternoon22°CPeak daytime temperature
Evening16°CAfter sunset cools down
Packing for Perth in October means dressing for 22°C days and 13°C evenings. A light cotton tee with a casual overshirt works well at 22°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 13°C, a modest 9°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues.
Local tip: Layers are more practical than a single heavy garment in Perth. The day-to-evening temperature shift rewards packing a versatile mid-layer you can add or remove as conditions change.
Events in Perth in October
October has no major festivals or public holidays in Perth, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.
What to Pack for Perth in October
Based on 22°C average highs and 5 rainy days
- Light jacket or cardigan for cooler evenings
- Mix of short and long-sleeve layers
- Comfortable walking shoes with good arch support
- Universal travel adapter
- Small day pack for city exploration
- Reusable water bottle
Best Activities in Perth in October
- Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 22°C, the temperature is ideal for extended walking without overheating
- Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
- Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
- Day trip to the surrounding countryside or coastFull day (depart by 8am)October is reliably dry enough for rural day trips without weather risk
- Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
- Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
- Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
- Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningOctober brings distinct seasonal changes to public green spaces worth exploring
- Try the seasonal farmer's market for local produce and street foodSaturday morning markets typically 8am-1pmOctober seasonal produce is at peak availability, offering dishes not found at other times of year
Why is Perth mild in October?
October marks the transition into warmer conditions in Perth, as the sun angle climbs and day length extends. Temperatures averaging 22°C by day and 13°C overnight reflect a city shaking off winter: the morning air still carries a cool edge, but afternoons are noticeably warmer than even four weeks prior. At 32 degrees south latitude, spring is one of the most dynamic periods in the annual cycle, with weekly temperature changes that can be larger than the month-to-month shifts of summer. This volatility is part of the appeal: Perth in October has a freshness and energy that peak-summer heat tends to mute. The warmth is sufficient for outdoor dining and long walking days. Climate data: Open-Meteo ERA5 (1991–2020).
Sunshine Hours
The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.
UV Index
A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate, wear sunscreen. UV 6-7: High, hat and SPF 30+ essential. UV 8-10: Very High, limit midday exposure. UV 11+: Extreme, seek shade between 10am-4pm.
Rain Days
A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.
Humidity
Relative humidity as a percentage. Below 40%: Dry, skin and throat may feel parched. 40-60%: Comfortable, ideal for most people. 60-80%: Sticky, light breathable fabrics recommended. Above 80%: Muggy, heat feels more intense; quick-dry clothing is essential.
Frequently Asked Questions
Perth in October
In October, Perth experiences average highs of 22°C (72°F) and lows of 13°C (55°F). Expect around 5 rainy days and 12 hours of sunshine per day, with humidity averaging 70%. The 9°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 6, so sun protection is advisable on clear days.
Perth typically sees 5 rainy days in October, with total precipitation of around 29mm. This makes October one of the drier months of the year, and a reliable window for outdoor sightseeing and day trips. Rain showers tend to be brief when they do occur. For context, the driest month in Perth typically sees 4-6 fewer rain days than October.
Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Perth in October. Daytime temperatures of 22°C are pleasant, but the evening drop to 13°C means a jacket is essential if you plan to be out after dark. Rain is infrequent with only 5 wet days, so a light rain layer is optional. Comfortable walking shoes are a priority given the amount of ground most visitors cover.
Yes, October is an excellent time to visit Perth. With 12 daily sunshine hours and only 5 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 22°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Perth in October is 22°C (72°F), and the average low is 13°C (55°F). The mean daily temperature is approximately 18°C (64°F). The day-to-night range of 9°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Perth is generally January. January offers the most sunshine at 13 hours per day and only 2 rainy days. Average temperatures reach 31°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
October is shoulder or low season in Perth, meaning fewer tourists and generally lower prices than peak months. With 12 sunshine hours and 5 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In October, Perth suits a range of activities thanks to mild temperatures around 22°C. With few rainy days, outdoor activities are highly recommended. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 12 hours of sunshine, parks and waterfront walks are particularly enjoyable.
October ranks 5th sunniest of the year in Perth, with an average 12 daily sunshine hours. The driest months are January, February, and March. January is the hottest month (31°C avg high); July is the coolest (17°C). From here, temperatures rise 4°C into November. Compared to last month (September: 19°C high, 9 rain days), October is warmer and drier. October sits in the middle of the annual sunshine ranking for Perth, offering a reasonable balance of good weather and manageable crowds.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 31°C | 19°C | 2 | 13h | View |
| February | 31°C | 19°C | 2 | 12h | View |
| March | 29°C | 18°C | 2 | 11h | View |
| April | 25°C | 15°C | 4 | 10h | View |
| May | 21°C | 12°C | 9 | 9h | View |
| June | 18°C | 10°C | 11 | 9h | View |
| July | 17°C | 9°C | 13 | 9h | View |
| August | 17°C | 10°C | 11 | 10h | View |
| September | 19°C | 11°C | 9 | 11h | View |
| October | 22°C | 13°C | 5 | 12h | View |
| November | 26°C | 15°C | 4 | 13h | View |
| December | 29°C | 17°C | 2 | 13h | View |
January
2 rain days, 13h sun
31°19°
February
2 rain days, 12h sun
31°19°
March
2 rain days, 11h sun
29°18°
April
4 rain days, 10h sun
25°15°
May
9 rain days, 9h sun
21°12°
June
11 rain days, 9h sun
18°10°
July
13 rain days, 9h sun
17°9°
August
11 rain days, 10h sun
17°10°
September
9 rain days, 11h sun
19°11°
October
5 rain days, 12h sun
22°13°
November
4 rain days, 13h sun
26°15°
December
2 rain days, 13h sun
29°17°
Other Months in Perth
Plan Your Trip to Perth
Data Sources for Perth
Climate normals represent 30-year averages (1991-2020). Individual years may vary.