Climate and monthly weather forecastMississauga, Canada
Climate and monthly weather forecast
The climate of Mississauga
Mississauga, located in Canada, finds itself positioned under a unique climatological umbrella classified under the Köppen climate classification as Dfb. This climatic frame translates to a humid continental profile, characterized by the absence of a dry season yet accompanied by warm summers. Wide variations in weather parameters mark Mississauga's climate, painting a diverse and dynamic meteorological landscape for the city throughout the year.Temperature fluctuates significantly ranging from -6.1°C (21°F) in the cold of January to a much warmer 24.8°C (76.6°F) in July's heat. The city experiences a gradual increase in temperature from the start of the year till midsummer before it begins to drop gradually towards the year-end. Mississauga's humidity remains relatively constant, hovering around 78% in the middle of the year before rising to 83% towards the end. Rainfall sees highs of 80mm (3.15") in July and lows of 55mm (2.17") in September and November, while snowfall hits peak levels of 83mm (3.27") and 127mm (5") in January and February respectively, falling to bare traces from June to October.
Sunlight and UV Index show predictable patterns, both peaking in summer months, thereby indicating longer, brighter days during this period. Wind speed averages around 19.7km/h (12.2mph) in December with gusts reaching maximum speeds of 30.2km/h (18.8mph). This climatic concoction positions Mississauga as a region with a unique blend of conditions, worthy of exploration and discovery.
The best time to visit Mississauga
Ideal travel conditions largely depend on personal preferences. However, objectively speaking, one may find the period between May to September most agreeable. This period is marked by warm temperatures ranging from 16.2°C (61.2°F) to 24.8°C (76.6°F) and relative humidity around 78%. Rainfall averages between 72mm (2.83") and 80mm (3.15") with no snow recorded, translating into ideal conditions for outdoor activities. With 9.2 to 10.7 hours of sunshine per day and a UV Index fluctuating between 4 and 6, it is an optimal time for those seeking a sun-filled getaway.The worst time to visit Mississauga
The city’s harshest months are undeniably from December to February. During these months, temperatures sink to lows between -6.1°C (21°F) and -1.5°C (29.3°F) with snowfall reaching significant heights of 76mm (2.99") to 127mm (5"). Although December offers 9 hours of daylight, these are matched by a minimal sun exposure of 3.2 hours daily and a low UV Index of 1. With wind speeds peaking at 19.7km/h (12.2mph) in December, travelling during these months can be quite challenging especially for those unaccustomed to harsh winter conditions.Spring weather in Mississauga
Spring, from March to May, is marked by a gradual warming of temperatures, starting from -0.5°C (31.1°F) in March to the pleasant 16.2°C (61.2°F) in May. Coupled with the combination of 60mm (2.36") to 79mm (3.11") average rainfall and receding snowfall (only 40mm (1.57") in March, falling to traces in May), the weather becomes relatively mild. The daylight hours increase from 12 in March to 14.7 hours in May, giving way to longer days. It is also during this period that the UV Index begins its ascent from 2 to 4.Summer weather in Mississauga
Summers in Mississauga spanning June to August offer warm temperatures reaching high points of up to 24.8°C (76.6°F). The relative humidity remains constant at 78% while the city experiences an average rainfall from 72mm (2.83") to 80mm (3.15"). The summer months provide 15.4 hours of daylight at their peak in June, along with 9.8 to 10.7 hours of sunshine per day, and higher UV indexes between 5 and 6. These factors contribute to warm and satisfying summer days with ample light for outdoor activities.Autumn weather in Mississauga
Autumn in Mississauga, from September to November, is characterized by temperatures that drop gradually between 21.5°C (70.7°F) to 7.8°C (46°F) throughout this timeframe. Rainfall during these months is around 55mm (2.17") to 73mm (2.87"), with snowfall remaining negligible until November when it records 43mm (1.69"). Though the daylight hours decrease from 12.5 hours to 9.7 hours in this period, the length of sun exposure maintains a moderate average of 4.5 to 9.4 hours per day. Autumn aligns with a decline in the UV index from 4 to 2.Winter weather in Mississauga
Winter rolls out in its full glory in Mississauga from December to February, seeing temperatures plunging between -1.5°C (29.3°F) and -6.1°C (21°F). Surges in snowfall mark this period, registering 76mm (2.99") to 127mm (5") typical of Canadian winter. Daylight slides to the bottom of the year's scale, providing just 9 to 10.5 hours daily. However, sunshine durations are relatively short, ranging from 2.8 to 3.1 hours per day with the UV index standing at a year-round low of 1. Considering all these factors, winters in Mississauga are emblematic of a true Canadian experience.Weather in January
January in Mississauga, Canada, sees the coldest temperatures of the year with the mercury dipping to a low of -6.1°C (21°F) on average. The onset of the year is characterized by snowy conditions, with more snowfall observed in this month compared to any other. Weather in January »Weather in February
Despite the increase in daylight hours in February, the cold weather persists in this Canadian city, albeit with a slight increase in the average minimum temperature to -5.5°C (22.1°F). February is noted for its increased snowfall relative to January, recording an all-time high of 127mm (5"). Weather in February »Weather in March
The month of March marks the transition from the harsh winter to the welcoming spring in Mississauga. Seen by a significant decrease in snowfall to 40mm (1.57"), and a surge in the average high temperature to 3.8°C (38.8°F). The increasing daylight and sunshine hours with a reduction in cloud cover signal the arrival of more pleasant times. Weather in March »Weather in April
April sees the enthusiastic onset of spring in Mississauga, with a significant rise in mean maximum temperature to 9.4°C (48.9°F). The landscape transforms from white to a spectrum of colors as frozen rivers start flowing, and lush greenery takes the place of the receding snow. Weather in April »Weather in May
May symbolizes the beginning of warm weather in Mississauga with the highest temperature escalating to 16.2°C (61.2°F). As the season transitions towards summer, cold winds get replaced by warm breezes, and the flora is in full bloom, casting a vibrant hue all around. Weather in May »Weather in June
June in Mississauga sees a drastic increase in average maximum temperatures reaching a comfortable 20.9°C (69.6°F), announcing the onset of summer. With longer sunshine hours and more daylight, the city bursts into life, with buzzing outdoor activities and events. Weather in June »Weather in July
July is the hottest month in Mississauga, experiencing the peak of summer warmth, moving up to a monthly maximum of 24.8°C (76.6°F). Just as high as the temperature, is the city's energy. Summer events, beach outings, and pool parties become the norm. Weather in July »Weather in August
August’s weather remains much on par with July's, with maximum recorded average temperatures witnessing only a small dip to 24.6°C (76.3°F). This continuation of summer heat promotes outdoor events and activities throughout the city. Weather in August »Weather in September
As September rolls in, it heralds the advent of fall in Mississauga, demonstrating a decrease in average temperature highs to 21.5°C (70.7°F). The lush greenery begins to change color, providing a picturesque cityscape scattered with hues of yellow, orange, and red. Weather in September »Weather in October
October sees a stark change in climate with the average max temperature taking a steep fall to 14.4°C (57.9°F). Mississauga stands awash with vibrant autumn hues as the cool breeze rustles through the falling leaves. Days are sunnier than in September, but the chill in the air escalates missing the warmth of the summer gone by. Weather in October »Weather in November
The winter season presents itself in November, as temperatures drop further, with the maximum reaching only 7.8°C (46°F). Snowfall makes a return, with the city beginning to see the first snow of the season. Days become shorter, and the chill in the air grows stronger, forcing residents to bundle up more warmly. Weather in November »Weather in December
Mississauga in December is a winter wonderland, with the average maximum temperature down to a chilly 2.4°C (36.3°F). The city is a captivating sight, blanketed in fresh white snow. With Christmas around the corner, the festive cheer, combined with the winter cold, enhances the city's charm. Weather in December »Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Mississauga's January weather reaches an average high of -1.4°C (29.5°F) and an average low of -6.1°C (21°F), making it the coldest month.
The months with the highest humidity in Mississauga, Canada, are January and February, with an average relative humidity of 83%.
Throughout the year, in Mississauga, there are 177.2 rainfall days, and 786mm (30.94") of precipitation is accumulated.
January through May, October through December are months with snowfall in Mississauga.
In Mississauga, Canada, during the entire year, snow falls for 58.5 days and aggregates up to 403mm (15.87") of snow.
The month with the least sunshine in Mississauga is January, with an average of 2.8h of sunshine.
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 14.1 days and accumulates 127mm (5") of snow.
February and March, with an average sea temperature of 1.4°C (34.5°F), are months with the coldest seawater.
On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends on Sunday, 03. November 2024, at 2:00 am, and the time zone reverts from EDT to EST.
June through September are months without snowfall.
June has the longest days of the year in Mississauga, Canada, with an average of 15h and 24min of daylight.
In Mississauga, July records the average highest temperatures, peaking at 24.8°C (76.6°F) and reaching a low of 18.6°C (65.5°F).
The month with the most rainfall in Mississauga, Canada, is July, when the rain falls for 17.7 days and typically aggregates up to 80mm (3.15") of precipitation.
July has the most sunshine of the year in Mississauga, with an average of 10.7h of sunshine.
July and August, with an average maximum UV index of 6, are months with the highest UV index.
With an average sea temperature of 22.3°C (72.1°F), August is the month with the warmest seawater in Mississauga.
September is the least humid month, with an average relative humidity of 74%.
September and November are months with the least rain when the rain falls for 15.1 days and typically aggregates up to 55mm (2.17") of rain.
With an average of 9h and 0min of daylight, December has the shortest days of the year in Mississauga.
Average temperature
Mississauga, Canada
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-1.4°C).
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure
Mississauga, Canada
- Average pressure in January:
1017.4mbar - Average pressure in February:
1017.3mbar - Average pressure in March:
1018.4mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1014.1mbar - Average pressure in August:
1014.8mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1015.7mbar - Average pressure in November:
1018.5mbar - Average pressure in December:
1017.7mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).
Average wind speed
Mississauga, Canada
- Average wind speed in January:
21km/h - Average wind speed in February:
20km/h - Average wind speed in March:
17.8km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
13.6km/h - Average wind speed in June:
12.8km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
13.1km/h - Average wind speed in September:
14.1km/h - Average wind speed in October:
17.9km/h - Average wind speed in November:
19.3km/h - Average wind speed in December:
19.7km/h
The windiest month (with the highest average wind speed) is January (21km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity
Mississauga, Canada
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (74%).
Average rainfall
Mississauga, Canada
The wettest month (with the highest rainfall) is July (80mm).
The driest months (with the least rainfall) are September and November (55mm).
Average rainfall days
Mississauga, Canada
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
17 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
18.9 days - Average rainfall days in November:
14.4 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is October (18.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Mississauga, Canada
The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Mississauga, Canada
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
14.1 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
12.5 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Mississauga, Canada
The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest months (with the lowest average sea temperature) are February and March (1.4°C).
Average daylight / Average sunshine
Mississauga, Canada
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 24min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 12min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 24min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Mississauga, Canada
- Average sunshine days in January:
7.5 days - Average sunshine days in February:
8 days - Average sunshine days in March:
10.5 days - Average sunshine days in April:
10.4 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11 days - Average sunshine days in September:
13 days - Average sunshine days in October:
10.3 days - Average sunshine days in November:
11 days - Average sunshine days in December:
8.8 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is January (7.5 days).
Average UV index
Mississauga, Canada
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Mississauga, Canada
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Mississauga, Canada
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
