Climate Insights for Mississauga

The climate in Mississauga is cool. The average annual temperature is 9°C and approximately 919 mm of precipitation falls per year. Mississauga receives a notable amount of rainfall throughout the year, including during its driest month. Mississauga 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, February, December, when temperatures can drop to -6°C. Snowfall occurs from January to December, with around 139cm accumulating over the season.The climate in Mississauga is cool. The average annual temperature is 49°F and approximately 36.2 in of precipitation falls per year. Mississauga receives a notable amount of rainfall throughout the year, including during its driest month. Mississauga 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, February, December, when temperatures can drop to 22°F. Snowfall occurs from January to December, with around 55in accumulating over the season.

Temperatures in Mississauga vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.Temperatures in Mississauga vary considerably across the year, with a 57°F difference between the coldest and warmest months. The warmest month is July, when average highs reach 79°F and the mean temperature sits around 72°F. The coldest month is January, when overnight lows fall to 22°F and the daily average is 26°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between October and November, with a 13°F shift in average temperatures.

Mississauga is a moderately rainy area, receiving approximately 919 mm of precipitation annually, which averages out to around 77 mm per month. The wettest month is April, averaging 99 mm of rainfall. October and June also tend to see above-average precipitation. The driest month is September, with just 53 mm. That's 46 mm less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 139cm accumulating over the season. February typically sees the most snow at around 41cm.Mississauga is a moderately rainy area, receiving approximately 36.2 in of precipitation annually, which averages out to around 3 in per month. The wettest month is April, averaging 3.9 in of rainfall. October and June also tend to see above-average precipitation. The driest month is September, with just 2.1 in. That's 1.8 in less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 55in accumulating over the season. February typically sees the most snow at around 16in.

Mississauga 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 February, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 17km/h in winter, 14km/h in spring, 11km/h in summer, 14km/h in autumn.Mississauga is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph 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 10mph in winter, 9mph in spring, 7mph in summer, 9mph in autumn.

The best time to visit Mississauga is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 70 mm per month. By contrast, January can be quite cold with temperatures dropping to -6°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Mississauga is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 68°F with modest rainfall averaging 2.8 in per month. By contrast, January can be quite cold with temperatures dropping to 22°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Mississauga 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.The table below shows monthly climate averages for Mississauga based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.