Toronto
May
Weather in Toronto for May 2025
Your guide to Toronto weather in May - trends and predictions
In general, the average temperature in Toronto at the beginning of May is 13.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °C by the end of May.
With an average of 3 rainy days, Toronto experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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28
Dry days
3
Rainy days
0
Snow days
21°/8°
Temperatures
14 km/h
Avg max wind
64 %
Avg humidity
Toronto in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  12° | 3 13° | 4  13° | |||
| 5  13° | 6  17° | 7 16° | 8 20° | 9 14° | 10 17° | 11 18° |
| 12 19° | 13 20° | 14 16° | 15  20° | 16  21° | 17 17° | 18 18° |
| 19 22° | 20 21° | 21 24° | 22 22° | 23 21° | 24 20° | 25 17° |
| 26 21° | 27 21° | 28 20° | 29 20° | 30 21° | 31 25° |
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Temperatures trend during May in Toronto
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 | Heavy rain at times | 13° /5° | 1.5 mm | 3 | |
| 2 May | Moderate rain at times | 12° /5° | 2 mm | 3 | |
| 3 May | Moderate rain at times | 13° /7° | 4.6 mm | 3 | |
| 4 May | Patchy rain possible | 13° /8° | 0.8 mm | 4 | |
| 5 May | Overcast | 13° /8° | 1.2 mm | 3 | |
| 6 May | Partly cloudy | 17° /6° | 0 mm | 5 | |
| 7 May | Heavy rain at times | 16° /8° | 5.3 mm | 4 | |
| 8 May | Partly cloudy | 20° /10° | 0.2 mm | 5 | |
| 9 May | Partly cloudy | 14° /8° | 1.4 mm | 4 | |
| 10 May | Partly cloudy | 17° /8° | 0.1 mm | 5 | |
| 11 May | Overcast | 18° /8° | 0.5 mm | 4 | |
| 12 May | Partly cloudy | 19° /10° | 1.2 mm | 5 | |
| 13 May | Partly cloudy | 20° /11° | 7.1 mm | 5 | |
| 14 May | Overcast | 16° /9° | 13.8 mm | 4 | |
| 15 May | Sunny | 20° /8° | 0 mm | 5 | |
| 16 May | Cloudy | 21° /10° | 0 mm | 5 | |
| 17 May | Sunny | 17° /8° | 0 mm | 5 | |
| 18 May | Sunny | 18° /7° | 0 mm | 5 | |
| 19 May | Overcast | 22° /9° | 1.4 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 21° /13° | 12.9 mm | 5 | |
| 21 May | Partly cloudy | 24° /13° | 1.6 mm | 6 | |
| 22 May | Cloudy | 22° /13° | 1.9 mm | 5 | |
| 23 May | Sunny | 21° /11° | 0.2 mm | 6 | |
| 24 May | Heavy rain at times | 20° /11° | 1.3 mm | 5 | |
| 25 May | Sunny | 17° /8° | 1.7 mm | 5 | |
| 26 May | Sunny | 21° /9° | 0 mm | 6 | |
| 27 May | Sunny | 21° /11° | 2.6 mm | 5 | |
| 28 May | Overcast | 20° /11° | 1.1 mm | 5 | |
| 29 May | Sunny | 20° /11° | 0 mm | 6 | |
| 30 May | Sunny | 21° /10° | 0 mm | 6 | |
| 31 May | Sunny | 25° /12° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Toronto 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 Toronto forecast closer to your planned date for the most up-to-date weather information.
Toronto in May - FAQ
What are the expected maximum and minimum temperatures in Toronto during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Toronto during May?
Significant rainfall exceeding 118.3 mm is expected in Toronto during May, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Toronto during May?
The average wind speed in Toronto during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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