Climate Insights for Puerto San Carlos

The climate in Puerto San Carlos is warm and mild. The average annual temperature is 21°C and approximately 100mm of precipitation falls per year. September is the wettest month, receiving around 35mm of rainfall. Puerto San Carlos is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, October. The coldest months are February, March, January, when temperatures can drop to 17°C.

Puerto San Carlos sees moderate temperature variation throughout the year, ranging from 17°C to 28°C. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 17°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between June and July, with a 4°C shift in average temperatures.

Puerto San Carlos is a quite dry location, receiving approximately 100mm of precipitation annually, which averages out to around 8mm per month. The wettest month is September, averaging 35mm of rainfall. October and August also tend to see above-average precipitation. The driest month is May, with just 0mm. That's 34mm less than September, 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.

Puerto San Carlos is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in December, with average winds dropping to 23km/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 24km/h in winter, 29km/h in spring, 26km/h in summer, 25km/h in autumn.

It is currently spring in Puerto San Carlos, which began on March 20, 2026. Puerto San Carlos is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 28°C, while the coldest stretch bottoms out in February near 17°C. Summer is next, beginning on June 21, 2026 — 83 days from now.

The best time to visit Puerto San Carlos is during January, February, March, April, May, June, July, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 5mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 28°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Puerto San Carlos 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.