Climate Insights for Herolds Bay

The climate in Herolds Bay is temperate. The average annual temperature is 17°C and approximately 437mm of precipitation falls per year. September is the wettest month, receiving around 57mm of rainfall. Herolds Bay 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: February, January, December. The coldest months are August, July, June, when temperatures can drop to 7°C.

Herolds Bay sees moderate temperature variation throughout the year, ranging from 7°C to 27°C. The warmest month is February, when average highs reach 27°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 2°C shift in average temperatures.

Herolds Bay is a relatively dry area, receiving approximately 437mm of precipitation annually, which averages out to around 36mm per month. The wettest month is September, averaging 57mm of rainfall. January and November also tend to see above-average precipitation. The driest month is May, with just 24mm. That's 34mm less than September, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Herolds Bay is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently autumn in Herolds Bay, which began on March 20, 2026. Herolds Bay 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 February at around 27°C, while the coldest stretch bottoms out in August near 7°C. Winter is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Herolds Bay is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 36mm per month. By contrast, August can be quite cold with temperatures 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 Herolds Bay 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.