Climate Insights for Charlottetown Airport

The climate in Charlottetown Airport is cold. The average annual temperature is 1°C and approximately 1127mm of precipitation falls per year. Charlottetown Airport receives a notable amount of rainfall throughout the year, including during its driest month. Charlottetown Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to -15°C. Charlottetown Airport experiences heavy snowfall, typically from January through December.

Temperatures in Charlottetown Airport vary considerably across the year, with a 31°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 16°C with a mean of 13°C. The coldest month is February, when overnight lows fall to -15°C and the daily average is -12°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Charlottetown Airport is a moderately rainy area, receiving approximately 1127mm of precipitation annually, which averages out to around 94mm per month. The wettest month is November, averaging 120mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 71mm. That's 50mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Charlottetown Airport receives heavy snowfall, accumulating around 338cm annually from January through December. The snowiest month is March, with approximately 62cm. Winter travel should account for significant snow cover.

Charlottetown Airport is moderately windy, with an average annual wind speed of 28km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 31km/h in winter, 28km/h in spring, 23km/h in summer, 29km/h in autumn.

It is currently spring in Charlottetown Airport, which began on March 20, 2026. Charlottetown 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 16°C, while the coldest stretch bottoms out in February near -15°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Charlottetown 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.