Climate Overview
The climate in Strathalbyn is temperate. The average annual temperature is 15°C and approximately 334mm of precipitation falls per year. September is the wettest month, receiving around 37mm of rainfall. Strathalbyn 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, August, June, when temperatures can drop to 7°C.
Temperature
Strathalbyn sees moderate temperature variation throughout the year, ranging from 7°C to 27°C. The warmest month is January, when average highs reach 27°C and the mean temperature sits around 20°C. July is the coolest month, with minimum temperatures around 7°C and an average of 10°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Strathalbyn is a quite dry location, receiving approximately 334mm of precipitation annually, which averages out to around 28mm per month. The wettest month is September, averaging 37mm of rainfall. August and July also tend to see above-average precipitation. The driest month is March, with just 13mm. That's 25mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Strathalbyn is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.
Seasons
88 days until Winter
It is currently autumn in Strathalbyn, which began on March 20, 2026. Strathalbyn 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 27°C, while the coldest stretch bottoms out in July near 7°C. Winter is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 8 to 23°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. Winds are moderate at around 22km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 14 to 27°C. Rainfall is relatively light, with around 66mm over the season and a monthly average of 22mm. Winds are moderate at around 22km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 9 to 24°C. Rainfall is relatively light, with around 66mm over the season and a monthly average of 22mm. Winds are moderate at around 19km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 7 to 15°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Winds are moderate at around 21km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Strathalbyn is during January, February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 24mm per month. By contrast, July can be quite cold with temperatures dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Strathalbyn 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.
