Mississauga
May
Weather in Mississauga for May 2025
Your guide to Mississauga weather in May - trends and predictions
In general, the average temperature in Mississauga at the beginning of May is 13.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of May.
With an average of 4 rainy days, Mississauga experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
20°/8°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
Mississauga in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  12° | 3  12° | 4 12° | |||
| 5  13° | 6  16° | 7 15° | 8 21° | 9 14° | 10 16° | 11 17° |
| 12 18° | 13 20° | 14 15° | 15  19° | 16  20° | 17 15° | 18 17° |
| 19 20° | 20 19° | 21 23° | 22 20° | 23 21° | 24 20° | 25 17° |
| 26 20° | 27 21° | 28 19° | 29 19° | 30 21° | 31 24° |
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Temperatures trend during May in Mississauga
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain at times | 12° /5° | 1.2 mm | 3 | |
| 2 May | Patchy rain possible | 12° /5° | 2.1 mm | 3 | |
| 3 May | Heavy rain at times | 12° /6° | 5.2 mm | 3 | |
| 4 May | Patchy rain possible | 12° /8° | 0.6 mm | 3 | |
| 5 May | Overcast | 13° /7° | 1.2 mm | 4 | |
| 6 May | Partly cloudy | 16° /6° | 0 mm | 5 | |
| 7 May | Heavy rain at times | 15° /7° | 4.6 mm | 4 | |
| 8 May | Partly cloudy | 21° /9° | 0.3 mm | 6 | |
| 9 May | Overcast | 14° /8° | 1 mm | 4 | |
| 10 May | Partly cloudy | 16° /7° | 0.1 mm | 5 | |
| 11 May | Overcast | 17° /8° | 0.8 mm | 4 | |
| 12 May | Partly cloudy | 18° /10° | 1.1 mm | 5 | |
| 13 May | Partly cloudy | 20° /11° | 6.4 mm | 5 | |
| 14 May | Overcast | 15° /9° | 16.4 mm | 4 | |
| 15 May | Sunny | 19° /8° | 0 mm | 5 | |
| 16 May | Cloudy | 20° /10° | 0 mm | 5 | |
| 17 May | Sunny | 15° /8° | 0 mm | 4 | |
| 18 May | Sunny | 17° /7° | 0 mm | 4 | |
| 19 May | Overcast | 20° /9° | 0.4 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 19° /12° | 13.9 mm | 5 | |
| 21 May | Partly cloudy | 23° /13° | 3.7 mm | 6 | |
| 22 May | Partly cloudy | 20° /13° | 1.4 mm | 6 | |
| 23 May | Sunny | 21° /11° | 0.1 mm | 6 | |
| 24 May | Patchy rain possible | 20° /11° | 0.4 mm | 5 | |
| 25 May | Sunny | 17° /8° | 2.2 mm | 5 | |
| 26 May | Sunny | 20° /8° | 0 mm | 6 | |
| 27 May | Sunny | 21° /11° | 2.3 mm | 6 | |
| 28 May | Sunny | 19° /10° | 0.5 mm | 5 | |
| 29 May | Sunny | 19° /11° | 0 mm | 6 | |
| 30 May | Sunny | 21° /10° | 0 mm | 6 | |
| 31 May | Sunny | 24° /12° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Mississauga in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mississauga forecast closer to your planned date for the most up-to-date weather information.
Mississauga in May - FAQ
What are the expected maximum and minimum temperatures in Mississauga during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mississauga during May?
Significant rainfall exceeding 122.2 mm is expected in Mississauga during May, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mississauga during May?
The average wind speed in Mississauga during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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