Climate Overview
The climate in Castellamonte is cool. The average annual temperature is 7°C and approximately 1808mm of precipitation falls per year. Castellamonte receives a notable amount of rainfall throughout the year, including during its driest month. Castellamonte is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -7°C. Castellamonte experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Castellamonte vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -7°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Castellamonte is a fairly wet location, receiving approximately 1808mm of precipitation annually, which averages out to around 151mm per month. The wettest month is June, averaging 226mm of rainfall. May and July also tend to see above-average precipitation. The driest month is January, with just 74mm. That's 151mm 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. Castellamonte receives heavy snowfall, accumulating around 271cm annually from January through December. The snowiest month is March, with approximately 56cm. Winter travel should account for significant snow cover.
Wind
Castellamonte is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Castellamonte, which began on March 20, 2026. Castellamonte 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 21°C, while the coldest stretch bottoms out in January near -7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -3 to 13°C. Rainfall is heavy, totalling around 496mm across the season with a monthly average of 165mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 21°C. Rainfall is heavy, totalling around 605mm across the season with a monthly average of 202mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -2 to 16°C. Rainfall is heavy, totalling around 475mm across the season with a monthly average of 158mm. Expect around 48cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -7 to 4°C. Precipitation is moderate at around 231mm for the season, averaging 77mm per month. Expect around 127cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Castellamonte 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.
