Climate Overview
The climate in San Rafael Airport is cool. The average annual temperature is 6°C and approximately 504mm of precipitation falls per year. June is the wettest month, receiving around 106mm 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: February, January, March. The coldest months are June, July, August, when temperatures can drop to -6°C. San Rafael Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in San Rafael Airport vary considerably across the year, with a 24°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 18°C with a mean of 13°C. The coldest month is June, when overnight lows fall to -6°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
San Rafael Airport is a relatively dry area, receiving approximately 504mm of precipitation annually, which averages out to around 42mm per month. The wettest month is June, averaging 106mm of rainfall. July and May also tend to see above-average precipitation. The driest month is March, with just 8mm. That's 98mm 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 Rafael Airport receives heavy snowfall, accumulating around 302cm annually from January through December. The snowiest month is June, with approximately 88cm. Winter travel should account for significant snow cover.
Wind
San Rafael Airport is relatively calm, with an average annual wind speed of 1km/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 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in San Rafael Airport, which began on June 21, 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 February at around 18°C, while the coldest stretch bottoms out in June near -6°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from -3 to 13°C. Rainfall is relatively light, with around 113mm over the season and a monthly average of 38mm. Winds are generally light, averaging 1km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 4 to 18°C. Rainfall is relatively light, with around 63mm over the season and a monthly average of 21mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -2 to 16°C. Rainfall is relatively light, with around 127mm over the season and a monthly average of 42mm. Expect around 69cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -6 to 4°C. Precipitation is moderate at around 201mm for the season, averaging 67mm per month. Expect around 164cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
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.
