Climate Insights for San Rafael Airport

The climate in San Rafael Airport is cool. The average annual temperature is 10°C and approximately 433mm of precipitation falls per year. June is the wettest month, receiving around 90mm of rainfall. San Rafael Airport 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 -3°C. Snowfall occurs from April to November, with around 127cm accumulating over the season.

Temperatures in San Rafael Airport vary considerably across the year, with a 25°C difference between the coldest and warmest months. January is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. The coldest month is July, when overnight lows fall to -3°C and the daily average is 2°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

San Rafael Airport is a relatively dry area, receiving approximately 433mm of precipitation annually, which averages out to around 36mm per month. The wettest month is June, averaging 90mm of rainfall. August and July also tend to see above-average precipitation. The driest month is March, with just 8mm. That's 83mm 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. Snowfall is a regular feature from April to November, with around 127cm accumulating over the season. June typically sees the most snow at around 38cm.

San Rafael Airport is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 8km/h in winter, 9km/h in spring, 10km/h in summer, 8km/h in autumn.

It is currently autumn in San Rafael Airport, which began on March 20, 2026. San Rafael Airport 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 22°C, while the coldest stretch bottoms out in July near -3°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit San Rafael Airport is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 13mm per month. By contrast, July can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for San Rafael Airport 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.