Climate Insights for Swan Hill

The climate in Swan Hill is temperate. The average annual temperature is 17°C and approximately 375mm of precipitation falls per year. October is the wettest month, receiving around 50mm of rainfall. Swan Hill 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, December. The coldest months are July, June, August, when temperatures can drop to 5°C.

Temperatures in Swan Hill vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 33°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 5°C and an average of 9°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 5°C shift in average temperatures.

Swan Hill is a quite dry location, receiving approximately 375mm of precipitation annually, which averages out to around 31mm per month. The wettest month is October, averaging 50mm of rainfall. November and September also tend to see above-average precipitation. The driest month is February, with just 10mm. That's 40mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Swan Hill is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/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.

It is currently winter in Swan Hill, which began on June 21, 2026. Swan Hill is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 33°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Swan Hill is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 32mm per month. By contrast, January can be uncomfortably hot with highs reaching 33°C, while July is the coldest period with lows dropping to 5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Swan Hill 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.