Climate Overview
The climate in Cerro Castillo Airport is cool. The average annual temperature is 5°C and approximately 1099mm of precipitation falls per year. Cerro Castillo Airport receives a notable amount of rainfall throughout the year, including during its driest month. Cerro Castillo 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, December. The coldest months are July, June, August, when temperatures can drop to -5°C. Snowfall occurs from April to December, with around 141cm accumulating over the season.
Temperature
Cerro Castillo Airport sees moderate temperature variation throughout the year, ranging from -5°C to 15°C. February is the warmest month, though highs remain moderate at 15°C with a mean of 11°C. The coldest month is July, when overnight lows fall to -5°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between March and April, with a 4°C shift in average temperatures.
Precipitation
Cerro Castillo Airport is a moderately rainy area, receiving approximately 1099mm of precipitation annually, which averages out to around 92mm per month. The wettest month is December, averaging 116mm of rainfall. November and February also tend to see above-average precipitation. The driest month is July, with just 63mm. That's 53mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from April to December, with around 141cm accumulating over the season. August typically sees the most snow at around 37cm.
Wind
Cerro Castillo Airport 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 January, 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. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
93 days until Spring
It is currently winter in Cerro Castillo Airport, which began on June 21, 2026. Cerro Castillo 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 15°C, while the coldest stretch bottoms out in July near -5°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from -1 to 13°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 15°C. Rainfall is heavy, totalling around 333mm across the season with a monthly average of 111mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -1 to 14°C. Precipitation is moderate at around 270mm for the season, averaging 90mm per month. Expect around 19cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -5 to 4°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Expect around 82cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 Cerro Castillo 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.
