Climate Insights for Big Sky Airport

The climate in Big Sky Airport is temperate. The average annual temperature is 17°C and approximately 1439mm of precipitation falls per year. Big Sky Airport receives a notable amount of rainfall throughout the year, including during its driest month. Big Sky Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to 1°C. Light snow can occur between January and February.

Temperatures in Big Sky Airport vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 32°C and the mean temperature sits around 27°C. Gennaio is the coolest month, with minimum temperatures around 1°C and an average of 5°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Big Sky Airport is a fairly wet location, receiving approximately 1439mm of precipitation annually, which averages out to around 120mm per month. The wettest month is February, averaging 167mm of rainfall. March and December also tend to see above-average precipitation. The driest month is September, with just 75mm. That's 92mm less than February, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and February, totalling around 8cm annually. January is the snowiest month with approximately 4cm.

Big Sky 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 February, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 16km/h in spring, 12km/h in summer, 14km/h in autumn.

It is currently winter in Big Sky Airport, which began on December 21, 2026. Big Sky Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in Luglio at around 32°C, while the coldest stretch bottoms out in Gennaio near 1°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

The best time to visit Big Sky Airport is during Maggio, Settembre and Ottobre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 81mm per month. By contrast, Luglio can be uncomfortably hot with highs reaching 32°C, while Gennaio is the coldest period with lows dropping to 1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Big Sky 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.