Climate Overview
The climate in Chaitén Pumalín Airport is cool. The average annual temperature is 10°C and approximately 4250mm of precipitation falls per year. Chaitén Pumalín Airport receives a notable amount of rainfall throughout the year, including during its driest month. Chaitén Pumalín 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 3°C. Snowfall occurs from May to October, with around 58cm accumulating over the season.
Temperature
Chaitén Pumalín Airport sees moderate temperature variation throughout the year, ranging from 3°C to 18°C. February is the warmest month, though highs remain moderate at 18°C with a mean of 14°C. July is the coolest month, with minimum temperatures around 3°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 2°C shift in average temperatures.
Precipitation
Chaitén Pumalín Airport is a very wet location, receiving approximately 4250mm of precipitation annually, which averages out to around 354mm per month. The wettest month is June, averaging 516mm of rainfall. August and May also tend to see above-average precipitation. The driest month is February, with just 166mm. That's 350mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from May to October, with around 58cm accumulating over the season. August typically sees the most snow at around 19cm.
Wind
Chaitén Pumalín 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 June, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 8km/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.
Seasons
87 days until Summer
It is currently spring in Chaitén Pumalín Airport, which began on September 23, 2026. Chaitén Pumalín 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 July near 3°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 4 to 14°C. Rainfall is heavy, totalling around 1043mm across the season with a monthly average of 348mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 18°C. Rainfall is heavy, totalling around 625mm across the season with a monthly average of 208mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 6 to 16°C. Rainfall is heavy, totalling around 1133mm across the season with a monthly average of 378mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 9°C. Rainfall is heavy, totalling around 1450mm across the season with a monthly average of 483mm. Expect around 42cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Chaitén Pumalín 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.
