Climate Insights for Clarkston

The climate in Clarkston is temperate. The average annual temperature is 11°C and approximately 526mm of precipitation falls per year. December is the wettest month, receiving around 75mm of rainfall. Clarkston 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 -3°C. Snowfall occurs from January to December, with around 68cm accumulating over the season.

Temperatures in Clarkston vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Clarkston is a relatively dry area, receiving approximately 526mm of precipitation annually, which averages out to around 44mm per month. The wettest month is December, averaging 75mm of rainfall. November and February also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 70mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 68cm accumulating over the season. December typically sees the most snow at around 24cm.

Clarkston is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months.

It is currently spring in Clarkston, which began on March 20, 2026. Clarkston 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 32°C, while the coldest stretch bottoms out in January near -3°C. Summer is next, beginning on June 21, 2026 — 91 days from now.

The best time to visit Clarkston is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 15mm per month. By contrast, January can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Clarkston 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.