Climate Overview
The climate in Cerro Castillo Airport is cool. The average annual temperature is 5°C and approximately 921mm 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 March 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 10°C. The coldest month is July, when overnight lows fall to -5°C and the daily average is -2°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 3°C shift in average temperatures.
Precipitation
Cerro Castillo Airport is a moderately rainy area, receiving approximately 921mm of precipitation annually, which averages out to around 77mm per month. The wettest month is April, averaging 96mm of rainfall. October and March also tend to see above-average precipitation. The driest month is May, with just 63mm. That's 32mm less than April, 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 March to December, with around 141cm accumulating over the season. August typically sees the most snow at around 28cm.
Wind
Cerro Castillo Airport is mildly breezy, with an average annual wind speed of 15km/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 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 16km/h in spring, 19km/h in summer, 13km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Cerro Castillo Airport, which began on March 20, 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. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -1 to 12°C. Precipitation is moderate at around 234mm for the season, averaging 78mm per month. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 5 to 15°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Winds are moderate at around 19km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -1 to 12°C. Precipitation is moderate at around 247mm for the season, averaging 82mm per month. Expect around 24cm of snow accumulation during this period. Winds are generally light, averaging 13km/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 202mm for the season, averaging 67mm per month. Expect around 75cm of snow accumulation during this period. Winds are generally light, averaging 11km/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.
