Climate Insights for Sydney

The climate in Sydney is warm and mild. The average annual temperature is 18°C and approximately 1,061 mm of precipitation falls per year. Sydney receives a notable amount of rainfall throughout the year, including during its driest month. Sydney is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are July, August, June, when temperatures can drop to 11°C.The climate in Sydney is warm and mild. The average annual temperature is 65°F and approximately 41.8 in of precipitation falls per year. Sydney receives a notable amount of rainfall throughout the year, including during its driest month. Sydney is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are July, August, June, when temperatures can drop to 52°F.

Sydney sees moderate temperature variation throughout the year, ranging from 11°C to 25°C. January is the warmest month, though highs remain moderate at 25°C with a mean of 23°C. July is the coolest month, with minimum temperatures around 11°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.Sydney sees moderate temperature variation throughout the year, ranging from 52°F to 77°F. January is the warmest month, though highs remain moderate at 77°F with a mean of 73°F. July is the coolest month, with minimum temperatures around 52°F and an average of 57°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows. The sharpest temperature change occurs between April and May, with a 5°F shift in average temperatures.

Sydney is a moderately rainy area, receiving approximately 1,061 mm of precipitation annually, which averages out to around 88 mm per month. The wettest month is March, averaging 164 mm of rainfall. February and June also tend to see above-average precipitation. The driest month is September, with just 55 mm. That's 108 mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Sydney is a moderately rainy area, receiving approximately 41.8 in of precipitation annually, which averages out to around 3.5 in per month. The wettest month is March, averaging 6.5 in of rainfall. February and June also tend to see above-average precipitation. The driest month is September, with just 2.2 in. That's 4.3 in less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Sydney is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Sydney is moderately windy, with an average annual wind speed of 11mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 10mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The best time to visit Sydney is during January, April, May, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 75 mm per month. By contrast, July can be quite cold with temperatures dropping to 11°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Sydney is during January, April, May, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 3 in per month. By contrast, July can be quite cold with temperatures dropping to 52°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Sydney based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Sydney based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.