Climate Insights for Rawson

The climate in Rawson is temperate. The average annual temperature is 14°C and approximately 242mm of precipitation falls per year. June is the wettest month, receiving around 51mm 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 5°C.

Rawson sees moderate temperature variation throughout the year, ranging from 5°C to 25°C. The warmest month is January, when average highs reach 25°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. 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 242mm of precipitation annually, which averages out to around 20mm per month. The wettest month is June, averaging 51mm of rainfall. March and July also tend to see above-average precipitation. The driest month is January, with just 5mm. That's 47mm less than June, the wettest month. 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.

Rawson is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, 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.

It is currently winter in Rawson, which began on June 21, 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 25°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Rawson is during January, February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 17mm 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 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.