Climate Overview
The climate in Byron Bay Airport is cold. The average annual temperature is -11°C and approximately 249mm of precipitation falls per year. August is the wettest month, receiving around 34mm of rainfall. Byron Bay Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -31°C. Snowfall occurs from January to December, with around 140cm accumulating over the season.
Temperature
Byron Bay Airport has a wide annual temperature range, spanning 42°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 11°C with a mean of 8°C. February brings the harshest conditions, with lows dropping to -31°C and an average temperature of -29°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 13°C shift in average temperatures.
Precipitation
Byron Bay Airport is a quite dry location, receiving approximately 249mm of precipitation annually, which averages out to around 21mm per month. The wettest month is August, averaging 34mm of rainfall. September and July also tend to see above-average precipitation. The driest month is April, with just 9mm. That's 25mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 140cm accumulating over the season. October typically sees the most snow at around 26cm.
Wind
Byron Bay Airport is relatively calm, with an average annual wind speed of 5km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
85 days until Autumn
It is currently summer in Byron Bay Airport, which began on June 21, 2026. Byron Bay Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 11°C, while the coldest stretch bottoms out in February near -31°C. Autumn is next, beginning on September 23, 2026 — 85 days from now.
Spring
Temperatures range from -27 to -3°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 11°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -22 to 3°C. Rainfall is relatively light, with around 72mm over the season and a monthly average of 24mm. Expect around 56cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -31 to -23°C. Precipitation is minimal, with only around 37mm for the entire season. Expect around 37cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Byron Bay Airport 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.
