Climate Insights for Marathon Airport

The climate in Marathon Airport is cool. The average annual temperature is 3°C and approximately 758mm of precipitation falls per year. Marathon Airport receives a notable amount of rainfall throughout the year, including during its driest month. Marathon Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, December, when temperatures can drop to -17°C. Snowfall occurs from January to December, with around 163cm accumulating over the season.

Marathon Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. August is the warmest month, though highs remain moderate at 20°C with a mean of 16°C. February brings the harshest conditions, with lows dropping to -17°C and an average temperature of -12°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.

Marathon Airport is a relatively dry area, receiving approximately 758mm of precipitation annually, which averages out to around 63mm per month. The wettest month is September, averaging 101mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 37mm. That's 64mm less than September, 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 January to December, with around 163cm accumulating over the season. December typically sees the most snow at around 37cm.

Marathon Airport is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 20km/h in winter, 18km/h in spring, 16km/h in summer, 20km/h in autumn.

It is currently spring in Marathon Airport, which began on March 20, 2026. Marathon 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 August at around 20°C, while the coldest stretch bottoms out in February near -17°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Marathon Airport is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 64mm per month. By contrast, February can be quite cold with temperatures dropping to -17°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Marathon 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.