Climate Insights for Terrace Bay

The climate in Terrace Bay is warm and mild. The average annual temperature is 19°C and approximately 35mm of precipitation falls per year. March is the wettest month, receiving around 11mm of rainfall. Terrace 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: May, March, June. The coldest months are September, August, October, when temperatures can drop to 12°C.

Terrace Bay sees moderate temperature variation throughout the year, ranging from 12°C to 25°C. The warmest month is May, when average highs reach 25°C and the mean temperature sits around 20°C. September is the coolest month, with minimum temperatures around 12°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between July and August, with a 3°C shift in average temperatures.

Terrace Bay is a quite dry location, receiving approximately 35mm of precipitation annually, which averages out to around 3mm per month. The wettest month is March, averaging 11mm of rainfall. February and April also tend to see above-average precipitation. The driest month is June, with just 1mm. 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.

Terrace Bay 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 August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 4km/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.

It is currently winter in Terrace Bay, which began on June 21, 2026. Terrace 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 May at around 25°C, while the coldest stretch bottoms out in September near 12°C. Spring is next, beginning on September 23, 2026 — 85 days from now.

The best time to visit Terrace Bay is during January, February, March, April, May, June, July, August, September, 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 3mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Terrace 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.