Climate Insights for Puerto Santa Cruz

The climate in Puerto Santa Cruz is temperate. The average annual temperature is 10°C and approximately 240mm of precipitation falls per year. December is the wettest month, receiving around 28mm of rainfall. Puerto Santa Cruz 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: February, January, December. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between June and August.

Temperatures in Puerto Santa Cruz vary considerably across the year, with a 22°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 22°C with a mean of 16°C. The coldest month is July, when overnight lows fall to 0°C and the daily average is 3°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 4°C shift in average temperatures.

Puerto Santa Cruz is a quite dry location, receiving approximately 240mm of precipitation annually, which averages out to around 20mm per month. The wettest month is December, averaging 28mm of rainfall. April and January also tend to see above-average precipitation. The driest month is October, with just 11mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between June and August, totalling around 10cm annually. July is the snowiest month with approximately 3cm.

Puerto Santa Cruz 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 November, averaging 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 25km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 26km/h in winter, 32km/h in spring, 33km/h in summer, 28km/h in autumn.

It is currently autumn in Puerto Santa Cruz, which began on March 20, 2026. Puerto Santa Cruz 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 February at around 22°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Puerto Santa Cruz is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 25mm per month. By contrast, July can be quite cold with temperatures dropping to 0°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Puerto Santa Cruz 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.