Climate Overview
The climate in Cunnamulla is warm and mild. The average annual temperature is 23°C and approximately 291mm of precipitation falls per year. February is the wettest month, receiving around 39mm of rainfall. Cunnamulla 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, December, February. The coldest months are July, August, June, when temperatures can drop to 7°C.
Temperature
Temperatures in Cunnamulla vary considerably across the year, with a 31°C difference between the coldest and warmest months. January is the hottest month, with daytime highs reaching 38°C and an average of 32°C. July is the coolest month, with minimum temperatures around 7°C and an average of 13°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.
Precipitation
Cunnamulla is a quite dry location, receiving approximately 291mm of precipitation annually, which averages out to around 24mm per month. The wettest month is February, averaging 39mm of rainfall. March and January also tend to see above-average precipitation. The driest month is May, with just 10mm. That's 28mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Cunnamulla is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Spring
It is currently winter in Cunnamulla, which began on June 21, 2026. Cunnamulla 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 38°C, while the coldest stretch bottoms out in July near 7°C. Spring is next, beginning on September 23, 2026 — 89 days from now.
Spring
Temperatures range from 12 to 33°C. Rainfall is relatively light, with around 68mm over the season and a monthly average of 23mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 24 to 38°C. Rainfall is relatively light, with around 101mm over the season and a monthly average of 34mm. Winds are generally light, averaging 4km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.
Autumn
Temperatures range from 11 to 33°C. Rainfall is relatively light, with around 70mm over the season and a monthly average of 23mm. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 7 to 21°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Winds are generally light, averaging 4km/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 Cunnamulla is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 21mm per month. By contrast, January can be uncomfortably hot with highs reaching 38°C, while July is the coldest period with lows 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 Cunnamulla 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.
