Climate Insights for Lismore

The climate in Lismore is warm and mild. The average annual temperature is 19°C and approximately 980mm of precipitation falls per year. Lismore receives a notable amount of rainfall throughout the year, including during its driest month. Lismore 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.

Temperatures in Lismore vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 24°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 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.

Lismore is a moderately rainy area, receiving approximately 980mm of precipitation annually, which averages out to around 82mm per month. The wettest month is February, averaging 153mm of rainfall. March and January also tend to see above-average precipitation. The driest month is August, with just 31mm. That's 122mm 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.

Lismore is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 11km/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 autumn in Lismore, which began on March 20, 2026. Lismore 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 30°C, while the coldest stretch bottoms out in July near 7°C. Winter is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Lismore is during April, May, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 63mm per month. By contrast, January can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows dropping to 7°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 Lismore 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.