Climate Overview
The climate in Mount Pleasant Airport is cool. The average annual temperature is 7°C and approximately 564mm of precipitation falls per year. Mount Pleasant Airport receives a notable amount of rainfall throughout the year, including during its driest month. 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: January, February, December. The coldest months are July, June, August, when temperatures can drop to 0°C. Light snow can occur between May and October.
Temperature
Mount Pleasant Airport sees moderate temperature variation throughout the year, ranging from 0°C to 15°C. January is the warmest month, though highs remain moderate at 15°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 April and May, with a 2°C shift in average temperatures.
Precipitation
Mount Pleasant Airport is a relatively dry area, receiving approximately 564mm of precipitation annually, which averages out to around 47mm per month. The wettest month is December, averaging 69mm of rainfall. January and November also tend to see above-average precipitation. The driest month is June, with just 31mm. That's 38mm less than December, 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 28cm annually. June is the snowiest month with approximately 7cm.
Wind
Mount Pleasant Airport is moderately windy, with an average annual wind speed of 22km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 20km/h in winter, 24km/h in spring, 24km/h in summer, 22km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Mount Pleasant Airport, which began on September 23, 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 January at around 15°C, while the coldest stretch bottoms out in July near 0°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 2 to 12°C. Rainfall is relatively light, with around 144mm over the season and a monthly average of 48mm. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 7 to 15°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Winds are moderate at around 24km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 3 to 12°C. Rainfall is relatively light, with around 134mm over the season and a monthly average of 45mm. Winds are moderate at around 22km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 0 to 6°C. Rainfall is relatively light, with around 100mm over the season and a monthly average of 33mm. Expect around 18cm of snow accumulation during this period. Winds are moderate at around 20km/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 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.