Climate Overview
The climate in Challis Airport is cool. The average annual temperature is 4°C and approximately 388mm of precipitation falls per year. Maggio is the wettest month, receiving around 58mm of rainfall. Challis 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 Dicembre, Gennaio, Febbraio, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 147cm accumulating over the season.
Temperature
Challis Airport has a wide annual temperature range, spanning 42°C from the coldest to warmest months. The warmest month is Luglio, when average highs reach 28°C and the mean temperature sits around 20°C. The coldest month is Dicembre, when overnight lows fall to -14°C and the daily average is -9°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.
Precipitation
Challis Airport is a quite dry location, receiving approximately 388mm of precipitation annually, which averages out to around 32mm per month. The wettest month is May, averaging 58mm of rainfall. June and April also tend to see above-average precipitation. The driest month is July, with just 12mm. That's 46mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 147cm accumulating over the season. December typically sees the most snow at around 28cm.
Wind
Challis Airport is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, 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 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 11km/h in spring, 14km/h in summer, 12km/h in autumn.
Seasons
92 days until Summer
It is currently spring in Challis Airport, which began on March 20, 2026. Challis 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 28°C, while the coldest stretch bottoms out in Dicembre near -14°C. Summer is next, beginning on June 21, 2026 — 92 days from now.
Spring
Temperatures range from -8 to 14°C. Rainfall is relatively light, with around 128mm over the season and a monthly average of 43mm. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 7 to 28°C. Rainfall is relatively light, with around 69mm over the season and a monthly average of 23mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -8 to 21°C. Rainfall is relatively light, with around 94mm over the season and a monthly average of 31mm. Expect around 27cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -14 to -2°C. Rainfall is relatively light, with around 97mm over the season and a monthly average of 32mm. Expect around 72cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Challis Airport is during Luglio and Agosto, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 15mm per month. By contrast, Dicembre can be quite cold with temperatures dropping to -14°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Challis 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.