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Weather
What to expect, season by season — plan when to visit, what to pack, and how to make the most of each season.
Four seasons
UV & sun safety
Australia has the highest UV radiation in the world. Even on cloudy days, UV can be extreme. Slip, slop, slap:
Slip on a shirt
Slop on sunscreen (SPF 50+)
Slap on a hat
Aussie weather quirks
Sydney and Melbourne especially can shift from sunny to rain to wind in hours. Always bring a light jacket.
Afternoon thunderstorms are common in summer — especially in the east. They pass quickly.
Summer (Dec–Feb) brings high fire danger, especially in regional NSW. Check the RFS website before regional travel.
Drought conditions are more common in El Niño years. Water restrictions can apply. Check your local council website.
Sydney climate
Avg Summer
24°C / 19°C
Avg Winter
17°C / 9°C
Sea temp (summer)
23–26°C
Rainiest month
June (130mm)
Source: Bureau of Meteorology (bom.gov.au) — download the app for real-time forecasts.