Climate Insights for Mount Pleasant Airport

The climate in Mount Pleasant Airport is cool. The average annual temperature is 7°C and approximately 519mm of precipitation falls per year. January is the wettest month, receiving around 66mm of rainfall. Mount Pleasant Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: February, January, December. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between May and October.

Mount Pleasant Airport sees moderate temperature variation throughout the year, ranging from 0°C to 14°C. February is the warmest month, though highs remain moderate at 14°C with a mean of 11°C. July is the coolest month, with minimum temperatures around 0°C and an average of 2°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 2°C shift in average temperatures.

Mount Pleasant Airport is a relatively dry area, receiving approximately 519mm of precipitation annually, which averages out to around 43mm per month. The wettest month is January, averaging 66mm of rainfall. December and November also tend to see above-average precipitation. The driest month is June, with just 29mm. That's 37mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between May and October, totalling around 24cm annually. September is the snowiest month with approximately 5cm.

Mount Pleasant Airport is very windy, with an average annual wind speed of 32km/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 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 27km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 29km/h in winter, 33km/h in spring, 34km/h in summer, 31km/h in autumn.

It is currently autumn in Mount Pleasant Airport, which began on March 20, 2026. Mount Pleasant Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 14°C, while the coldest stretch bottoms out in July near 0°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

The table below shows monthly climate averages for Mount Pleasant 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.