Climate Overview
The climate in Summit Airport is cold. The average annual temperature is -4°C and approximately 683mm of precipitation falls per year. August is the wettest month, receiving around 112mm of rainfall. Summit Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -23°C. Summit Airport experiences heavy snowfall, typically from January through December.
Temperature
Summit Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 16°C with a mean of 12°C. January brings the harshest conditions, with lows dropping to -23°C and an average temperature of -20°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between March and April, with a 10°C shift in average temperatures.
Precipitation
Summit Airport is a relatively dry area, receiving approximately 683mm of precipitation annually, which averages out to around 57mm per month. The wettest month is August, averaging 112mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 22mm. That's 89mm less than August, 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. Summit Airport receives heavy snowfall, accumulating around 280cm annually from January through December. The snowiest month is October, with approximately 57cm. Winter travel should account for significant snow cover.
Wind
Summit 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 May, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 2km/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
72 days until Autumn
It is currently summer in Summit Airport, which began on June 21, 2026. Summit 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 July at around 16°C, while the coldest stretch bottoms out in January near -23°C. Autumn is next, beginning on September 23, 2026 — 72 days from now.
Spring
Temperatures range from -16 to 9°C. Rainfall is relatively light, with around 111mm over the season and a monthly average of 37mm. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 6 to 16°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -17 to 9°C. Precipitation is moderate at around 183mm for the season, averaging 61mm per month. Expect around 112cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -23 to -13°C. Rainfall is relatively light, with around 91mm over the season and a monthly average of 30mm. Expect around 91cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Summit 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.
