Climate Insights for Rawson

The climate in Rawson is temperate. The average annual temperature is 14°C and approximately 230mm of precipitation falls per year. June is the wettest month, receiving around 27mm of rainfall. Rawson 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, June, August, when temperatures can drop to 3°C.

Temperatures in Rawson vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 22°C. July is the coolest month, with minimum temperatures around 3°C and an average of 7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.

Rawson is a quite dry location, receiving approximately 230mm of precipitation annually, which averages out to around 19mm per month. The wettest month is June, averaging 27mm of rainfall. November and March also tend to see above-average precipitation. The driest month is February, with just 12mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Rawson is moderately windy, with an average annual wind speed of 27km/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 30km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 25km/h in winter, 29km/h in spring, 30km/h in summer, 26km/h in autumn.

It is currently autumn in Rawson, which began on March 20, 2026. Rawson 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 28°C, while the coldest stretch bottoms out in July near 3°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Rawson is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 20mm per month. By contrast, July can be quite cold with temperatures dropping to 3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Rawson 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.