Climate Insights for Robertson

The climate in Robertson is temperate. The average annual temperature is 16°C and approximately 389mm of precipitation falls per year. June is the wettest month, receiving around 48mm of rainfall. Robertson 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, February, December. The coldest months are July, August, June, when temperatures can drop to 5°C.

Temperatures in Robertson vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 29°C and the mean temperature sits around 22°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.

Robertson is a quite dry location, receiving approximately 389mm of precipitation annually, which averages out to around 32mm per month. The wettest month is June, averaging 48mm of rainfall. July and March also tend to see above-average precipitation. The driest month is February, with just 18mm. That's 30mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Robertson is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 16km/h in spring, 18km/h in summer, 13km/h in autumn.

It is currently winter in Robertson, which began on June 21, 2026. Robertson 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 29°C, while the coldest stretch bottoms out in July near 5°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.

The best time to visit Robertson is during January, February, March, April, 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 28mm per month. By contrast, July can be quite cold with temperatures dropping to 5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Robertson 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.