Climate Overview
The climate in Gawler is cold. The average annual temperature is -4°C and approximately 177mm of precipitation falls per year. June is the wettest month, receiving around 33mm of rainfall. Gawler 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: May, June, January. The coldest months are December, November, October, when temperatures can drop to -20°C. Snowfall occurs from January to December, with around 147cm accumulating over the season.
Temperature
Temperatures in Gawler vary considerably across the year, with a 22°C difference between the coldest and warmest months. May is the warmest month, though highs remain moderate at 2°C with a mean of 1°C. December brings the harshest conditions, with lows dropping to -20°C and an average temperature of -15°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Gawler is a quite dry location, receiving approximately 177mm of precipitation annually, which averages out to around 15mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 33mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 147cm accumulating over the season. March typically sees the most snow at around 33cm.
Wind
Gawler is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 6km/h in winter, 3km/h in spring, 4km/h in summer, 9km/h in autumn.
Seasons
18 days until Spring
It is currently winter in Gawler, which began on June 21, 2026. Gawler 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 May at around 2°C, while the coldest stretch bottoms out in December near -20°C. Spring is next, beginning on September 23, 2026 — 18 days from now.
Spring
Temperatures range from -18 to 0°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from -20 to 2°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 2°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Expect around 98cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -9 to 2°C. Precipitation is minimal, with only around 35mm for the entire season. Expect around 18cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Gawler 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.