Climate Overview
The climate in Puerto Deseado is temperate. The average annual temperature is 11°C and approximately 210mm of precipitation falls per year. June is the wettest month, receiving around 24mm of rainfall. Puerto Deseado 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 2°C.
Temperature
Temperatures in Puerto Deseado vary considerably across the year, with a 21°C difference between the coldest and warmest months. January is the warmest month, though highs remain moderate at 23°C with a mean of 17°C. July is the coolest month, with minimum temperatures around 2°C and an average of 5°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Puerto Deseado is a quite dry location, receiving approximately 210mm of precipitation annually, which averages out to around 18mm per month. The wettest month is June, averaging 24mm of rainfall. March and December also tend to see above-average precipitation. The driest month is October, with just 12mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Puerto Deseado is moderately windy, with an average annual wind speed of 30km/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 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 27km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 27km/h in winter, 31km/h in spring, 32km/h in summer, 29km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Puerto Deseado, which began on March 20, 2026. Puerto Deseado 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 23°C, while the coldest stretch bottoms out in July near 2°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 5 to 20°C. Rainfall is relatively light, with around 47mm over the season and a monthly average of 16mm. Winds are strong, averaging 31km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 11 to 23°C. Rainfall is relatively light, with around 51mm over the season and a monthly average of 17mm. Winds are strong, averaging 32km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 20°C. Rainfall is relatively light, with around 57mm over the season and a monthly average of 19mm. Winds are strong, averaging 29km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 2 to 11°C. Rainfall is relatively light, with around 56mm over the season and a monthly average of 19mm. Winds are strong, averaging 27km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Puerto Deseado is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 19mm per month. By contrast, July can be quite cold with temperatures dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Puerto Deseado 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.