The Sydney historical weather page is built for travel planning and destination comparison, covering monthly temperature, rainfall, rainy days, and sunshine trends from 2015 through the latest complete month. Best time to visit Sydney. Searches for the best time to visit Sydney usually need monthly temperature, rainfall, and rainy-day context. Use the month-by-month view to find comfortable travel windows instead of relying only on annual averages. Sydney average temperature by month. For queries such as Sydney weather in April, Sydney temperature in August, or Sydney historical rainfall, start with the monthly pattern and then compare specific years when timing matters. How to read Sydney weather patterns. Sydney, Australia sits in a subtropical climate band. Check the full monthly range because the warmer season (December to February) and cooler season (June to August) can feel very different for travel planning. Sydney rainfall and seasonality. For outdoor plans in Sydney, compare both total rainfall and rainy days by month. Shoulder periods (March-May and September-November) are useful for balancing temperature comfort, rainfall risk, and travel demand. When to compare Sydney with other destinations. If you are choosing between several cities, compare Sydney with nearby destinations in the same month. This avoids relying only on annual averages and makes temperature and precipitation differences clearer.
Sydney Historical Weather Since 2015 | Latest Complete Month Data
Sydney historical weather from 2015 through the latest complete month: monthly temperature, rainfall, sunshine, yearly comparisons, and travel timing references. The Sydney historical weather page is built for travel planning and destination comparison, covering monthly temperature, rainfall, rainy days, and sunshine trends from 2015 through the latest complete month. Best time to visit Sydney. Searches for the best time to visit Sydney usually need monthly temperature, rainfall, and rainy-day context. Use the month-by-month view to find comfortable travel windows instead of relying only on annual averages. Sydney average temperature by month. For queries such as Sydney weather in April, Sydney temperature in August, or Sydney historical rainfall, start with the monthly pattern and then compare specific years when timing matters. How to read Sydney weather patterns. Sydney, Australia sits in a subtropical climate band. Check the full monthly range because the warmer season (December to February) and cooler season (June to August) can feel very different for travel planning. Sydney rainfall and seasonality. For outdoor plans in Sydney, compare both total rainfall and rainy days by month. Shoulder periods (March-May and September-November) are useful for balancing temperature comfort, rainfall risk, and travel demand. When to compare Sydney with other destinations. If you are choosing between several cities, compare Sydney with nearby destinations in the same month. This avoids relying only on annual averages and makes temperature and precipitation differences clearer. Sydney historical weather from 2015 through the latest complete month: monthly temperature, rainfall, sunshine, yearly comparisons, and travel timing references.
Sydney monthly fact table
These facts are generated from historical monthly averages for 2015-01-01/2026-05-31, ready for best-month, rainy-season, hottest-month, and coldest-month answers.
- Recommended month: September
- Hottest month: January
- Coldest month: July
- Rainiest month: March
| Month | Avg Temp | Precip | Rainy Days | Sunshine |
|---|
| January | 22.7°C | 111 mm | 18.7 | 10.8 h |
| February | 22.5°C | 100 mm | 19.4 | 10.4 h |
| March | 21.3°C | 148 mm | 20.8 | 9.5 h |
| April | 18.3°C | 90 mm | 16.4 | 9.5 h |
| May | 15.2°C | 79 mm | 13.6 | 8.5 h |
| June | 12.4°C | 71 mm | 13.1 | 8.3 h |
| July | 12.1°C | 71 mm | 10.4 | 8.8 h |
| August | 13°C | 66 mm | 12.5 | 9 h |
| September | 15.5°C | 51 mm | 11.6 | 10.4 h |
| October | 17.9°C | 71 mm | 16.4 | 10.3 h |
| November | 19.6°C | 79 mm | 16.9 | 11 h |
| December | 21.5°C | 66 mm | 18 | 11.5 h |
Source: Open-Meteo Archive; generated: 2026-06-07.
Sydney historical weather travel guide
When is the best time to visit Sydney?
Based on historical monthly averages for 2015-01-01/2026-05-31, the recommended month for Sydney is September, with an average temperature around 15.5°C, average precipitation around 51 mm, and a travel comfort score of 88.
Is it hot in Sydney in summer?
The hottest month in Sydney historical averages is January, with an average temperature around 22.7°C and an average high around 26.4°C. For summer trips, check rainfall and heat precautions together.
When is the rainy season in Sydney?
Rain is most concentrated in Sydney during January, February, March. The rainiest month is March, with average precipitation around 148 mm and about 20.8 rainy days.
What is the coldest month in Sydney?
The coldest month in Sydney historical averages is July, with an average temperature around 12.1°C and an average low around 8.1°C. Prepare warm clothing for winter travel.