Climate Chart of Mississauga, Canada

Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023

For Mississauga, Canada, the climate data describe 2013–2023. Across the year, monthly mean temperatures range from -4.5 °C in February to 22.1 °C in July, giving a broad picture of colder and warmer parts of the year without describing daytime highs. Daily rainfall and sunshine also vary by month, while snowfall is recorded in the data. Together, these measures offer useful planning context, but monthly averages do not predict the conditions on any particular day.

Climate overview

Temperature

The coolest monthly mean is -4.5 °C in February, while the warmest is 22.1 °C in July. These are monthly averages, not daytime maximum temperatures, so they describe the broad temperature character of each month rather than the full range visitors may experience from day to day. The unweighted mean of the monthly temperature means is 8.9 °C. It is a summary across calendar-month means, not a day-weighted annual average, and it does not show how conditions vary within individual months.

Rain

Mean daily rainfall is lowest in February, at 0.93 mm/day, making it a conditional option for visitors prioritising lower average rainfall. This does not guarantee dry days or indicate how frequently rain occurs. The highest monthly mean daily rainfall is 3.36 mm/day in June. It can help visitors plan for the possibility of wetter daily conditions, but it is a daily mean rather than a monthly total and does not describe the timing or frequency of rain. Across the calendar-month means, the unweighted mean daily rainfall is 2.06 mm/day. This provides broad context only; it cannot establish what any particular day will bring.

Snow

Mean daily snowfall is highest in February, at 11.16 mm/day. This records an average amount, not the number of snowy days, snow depth or snow cover, so it cannot establish whether particular conditions will prevail during a visit. The unweighted mean of the monthly mean daily snowfall values is 2.73 mm/day. This summary does not indicate how snowfall is distributed across days.

Sunshine

Mean daily sunshine reaches its highest level in July, at 11.85 hours/day, which may be useful context for planning outdoor time around average sunshine duration. The lowest mean daily sunshine is 3.88 hours/day in December. Visitors prioritising more average sunshine for outdoor sightseeing may wish to take this contrast into account; sunshine duration is not the same as day length. The unweighted mean of the monthly sunshine means is 8.09 hours/day per day. It is a broad monthly-average summary, not a promise of sunshine on a particular visit day.

Best Travel Time Guide for Mississauga, Canada: Ideal Seasons and Weather Insights

For visitors prioritising lower average rainfall, February is the conditional option indicated by the lowest mean daily rainfall, 0.93 mm/day; it is not a guarantee of dry weather. In contrast, June has the highest mean daily rainfall, 3.36 mm/day, so rain preparation is sensible when travelling then, while remembering that a daily average cannot predict rain on a specific day. Those who prefer cooler monthly averages can consider February, when the monthly mean temperature is -4.5 °C; this is not a daytime high or a forecast for individual days. For outdoor planning around average sunshine, July has the highest mean daily sunshine at 11.85 hours/day, while December has the lowest at 3.88 hours/day. These are separate criteria, not a combined ranking of the best time to visit, and sunshine duration does not equal day length.

Snowfall is also part of the planning picture: the highest mean daily snowfall is 11.16 mm/day in February. That average does not establish the number of snowy days, snow depth or snow cover, so visitors should not treat it as a measure of likely conditions on a particular date.

Climate Data Overview for Mississauga, Canada

Explore the comprehensive climate data for Mississauga, Canada. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.

Month	Average: Temperature °C	Rain (mm) / day	Snow (mm) / day	Sunshine (h) / day
Jan	-4.3	1.18	6.36	4.77
Feb	-4.5	0.93	11.16	6.05
Mar	-0.0	1.37	4.96	7.50
Apr	6.1	3.02	1.80	8.63
May	13.6	2.19	0.02	10.60
Jun	19.1	3.36	0.00	11.55
Jul	22.1	2.64	0.00	11.85
Aug	21.4	2.01	0.00	11.24
Sep	17.9	1.99	0.00	9.31
Oct	11.3	2.87	0.13	6.46
Nov	4.0	1.68	2.47	5.28
Dec	-0.3	1.50	5.91	3.88
Average	8.9	2.06	2.73	8.09