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Weather in Mississauga for May 2026

Your guide to Mississauga weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Mississauga is cooler than usual, with temperatures averaging 12.3 °C, this is -2.5 °C below the typical seasonal average.

  • The forecast for the coming days of May 2026 predicts a temperature of 20 °C , which is warmer than usual.

  • In general, the average temperature in Mississauga at the beginning of May is 13.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of May.

    • Rain 🌧️

  • Mississauga in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 162.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Mississauga Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
10°
2
Patchy rain possible
12°
3
Heavy rain at times
13°
4
Patchy rain possible
14°
5
Overcast
14°
6
Partly cloudy
15°
7
Heavy rain at times
15°
8
Overcast
17°
9
Overcast
15°
10
Partly cloudy
16°
11
Overcast
16°
12
Partly cloudy
19°
13
Moderate rain at times
17°
14
Overcast
14°
15
Sunny
24°
16
Patchy rain possible
19°
17
Partly cloudy
21°
18
Patchy rain possible
26°
19
Patchy rain possible
26°
20
Moderate rain
18°
21
Partly cloudy
13°
22
Partly cloudy
13°
23
Sunny
16°
24
Patchy rain possible
17°
25
Patchy rain possible
24°
26
Patchy rain possible
22°
27
Partly cloudy
19°
28
Partly cloudy
22°
29
Sunny
17°
30
Sunny
20°
31
Partly cloudy
21°

Temperatures trend during May in Mississauga

See the weather trend as well as the moving average line

May weather in Mississauga day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 10° /4° 13.6 mm 4
2 May Patchy rain possible
Patchy rain possible
 12° /4° 1.5 mm 4
3 May Heavy rain at times
Heavy rain at times
 13° /4° 3.6 mm 4
4 May Patchy rain possible
Patchy rain possible
 14° /6° 1.2 mm 4
5 May Overcast
Overcast
 14° /8° 2.5 mm 3
6 May Partly cloudy
Partly cloudy
 15° /7° 9.6 mm 5
7 May Heavy rain at times
Heavy rain at times
 15° /6° 6.5 mm 4
8 May Overcast
Overcast
 17° /6° 0.5 mm 5
9 May Overcast
Overcast
 15° /6° 2.7 mm 5
10 May Partly cloudy
Partly cloudy
 16° /5° 0 mm 6
11 May Overcast
Overcast
 16° /6° 0.5 mm 6
12 May Partly cloudy
Partly cloudy
 19° /7° 0.8 mm 6
13 May Moderate rain at times
Moderate rain at times
 17° /10° 7.1 mm 4
14 May Overcast
Overcast
 14° /8° 9.6 mm 3
15 May Sunny
Sunny
 24° /6° 0 mm 7.1
16 May Patchy rain possible
Patchy rain possible
 19° /8° 1.4 mm 7.5
17 May Partly cloudy
Partly cloudy
 21° /13° 0.1 mm 7.6
18 May Patchy rain possible
Patchy rain possible
 26° /13° 0.7 mm 8.1
19 May Patchy rain possible
Patchy rain possible
 26° /18° 4.9 mm 8.7
20 May Moderate rain
Moderate rain
 18° /9° 10 mm 0.4
21 May Partly cloudy
Partly cloudy
 13° /5° 0 mm 3
22 May Partly cloudy
Partly cloudy
 13° /6° 0 mm 3
23 May Sunny
Sunny
 16° /7° 0 mm 4
24 May Patchy rain possible
Patchy rain possible
 17° /9° 0.4 mm 3
25 May Patchy rain possible
Patchy rain possible
 24° /12° 1 mm 4
26 May Patchy rain possible
Patchy rain possible
 22° /14° 2.3 mm 4
27 May Partly cloudy
Partly cloudy
 19° /12° 0 mm 5
28 May Partly cloudy
Partly cloudy
 22° /13° 0 mm 5
29 May Sunny
Sunny
 17° /10° 14.7 mm 5
30 May Sunny
Sunny
 20° /10° 2.5 mm 5
31 May Partly cloudy
Partly cloudy
 21° /10° 6.4 mm 6
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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.
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Mississauga in May - FAQ

What are the expected maximum and minimum temperatures in Mississauga during May?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. 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 162.3 mm is expected in Mississauga during May, occurring over more than 19 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 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Mississauga

Explore the daily rainfall trends and prepare for Mississaugas May weather 💧
Typically, Mississauga has 19 rainy days in May with a total of 162.3 mm of rainfall.

UV exposure in Mississauga during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Mississauga?

Get accurate weather forecasts for Mississauga, located at latitude 43.579 and longitude -79.658. Stay updated with localized weather information tailored for Mississauga.

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