Climate Insights for San Carlos de Bariloche

The climate in San Carlos de Bariloche is cool. The average annual temperature is 7°C and approximately 1160mm of precipitation falls per year. San Carlos de Bariloche receives a notable amount of rainfall throughout the year, including during its driest month. San Carlos de Bariloche 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, March. The coldest months are July, August, June, when temperatures can drop to -2°C. San Carlos de Bariloche experiences heavy snowfall, typically from January through December.

Temperatures in San Carlos de Bariloche 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 20°C with a mean of 14°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 0°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.

San Carlos de Bariloche is a moderately rainy area, receiving approximately 1160mm of precipitation annually, which averages out to around 97mm per month. The wettest month is June, averaging 184mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 34mm. That's 150mm 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. San Carlos de Bariloche receives heavy snowfall, accumulating around 511cm annually from January through December. The snowiest month is July, with approximately 135cm. Winter travel should account for significant snow cover.

San Carlos de Bariloche is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/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 San Carlos de Bariloche, which began on June 21, 2026. San Carlos de Bariloche 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 20°C, while the coldest stretch bottoms out in July near -2°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

The table below shows monthly climate averages for San Carlos de Bariloche 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.