Best time to visit Perth: month-by-month weather (2026)
The highest-scoring months in Perth are Jan, Feb, Mar and Apr.
Best months
Jan, Feb, Mar and Apr
Peak season
Jan, Feb, Mar, Apr and Aug
Off season
Jun, Jul and Aug
Monthly Temperatures (°C)
Monthly Rainfall (mm)
Month-by-Month Guide
Temperature, rainfall and sunshine are measured. The visit score below is derived from those three (design spec §5.3)estimate.
Jan
BestTemp: 19.7°C – 30.7°C
Rain: 1mm
Sunshine: 12.9h/day
Visit score: 10/10
Feb
BestTemp: 19.7°C – 31.1°C
Rain: 7mm
Sunshine: 12.4h/day
Visit score: 10/10
Mar
BestTemp: 18.2°C – 29.3°C
Rain: 29mm
Sunshine: 11.4h/day
Visit score: 10/10
Apr
BestTemp: 15.1°C – 25.2°C
Rain: 26mm
Sunshine: 10.4h/day
Visit score: 10/10
May
Temp: 13.3°C – 22.8°C
Rain: 87mm
Sunshine: 8.8h/day
Visit score: 8.2/10
Jun
Temp: 10.7°C – 17.9°C
Rain: 165mm
Sunshine: 8.2h/day
Visit score: 5.8/10
Jul
Temp: 10°C – 17.2°C
Rain: 148mm
Sunshine: 8.5h/day
Visit score: 4.7/10
Aug
Temp: 10.4°C – 18.1°C
Rain: 148mm
Sunshine: 9.6h/day
Visit score: 6.7/10
Sep
Temp: 11.5°C – 20.1°C
Rain: 61mm
Sunshine: 10.8h/day
Visit score: 7.6/10
Oct
Temp: 13°C – 22.6°C
Rain: 40mm
Sunshine: 11.3h/day
Visit score: 7.6/10
Nov
Temp: 15.8°C – 26.2°C
Rain: 15mm
Sunshine: 12.9h/day
Visit score: 10/10
Dec
Temp: 18.4°C – 29.5°C
Rain: 3mm
Sunshine: 13.4h/day
Visit score: 10/10
When to go, and when not to
The strongest months to visit are January through April, when the visit score peaks. January and February bring highs around 30.7 and 31.1 degrees Celsius with very little rain, just 1mm and 7mm respectively, alongside strong sunshine of over 12 hours a day. March and April stay warm, with highs of 29.3 and 25.2 degrees Celsius and sunshine still above 10 hours a day, making this stretch the most reliable for outdoor plans.
The trade-off is that January through April overlaps with peak season, alongside August, so travelers may find higher demand during these months. Midyear brings the wettest weather, with June and July each seeing well over 100mm of rain and July marking the coolest month at highs of 17.2 degrees Celsius and lows of 10.0 degrees Celsius, paired with the least sunshine of the year at 8.5 hours a day.
Season Guide
Spring
September – November
Warming temperatures as the southern hemisphere heads into spring.
Packing tips
- · Light layers
- · Rain jacket
- · Comfortable walking shoes
Summer
December – February
Warmest months with long days. Peak holiday season.
Packing tips
- · Sunscreen
- · Hat
- · Light clothing
- · Refillable water bottle
Autumn
March – May
Cooling temperatures and shoulder season. Fewer crowds and better prices.
Packing tips
- · Medium layers
- · Sweater
- · Waterproof jacket
Winter
June – August
Coolest months. Some destinations offer unique winter experiences.
Packing tips
- · Warm coat
- · Scarf and gloves
- · Thermal layers
Keep reading
Sources
- GeoNames city database — CC BY 4.0, fetched September 14, 2026
- Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026
AI-written interpretation reviewed against the data above — claude-sonnet-5, generated September 21, 2026. Every number on this page comes from a dataset named here; the formulas are public.