Montréal
May
Weather in Montréal for May 2025
Your guide to Montréal weather in May - trends and predictions
In general, the average temperature in Montréal at the beginning of May is 14.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.7 °C by the end of May.
With an average of 5 rainy days, Montréal experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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26
Dry days
5
Rainy days
0
Snow days
21°/7°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
Montréal in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2 12° | 3 13° | 4  11° | |||
| 5  13° | 6  20° | 7 19° | 8 15° | 9  13° | 10 18° | 11  20° |
| 12  19° | 13 17° | 14 17° | 15 21° | 16 18° | 17 16° | 18 17° |
| 19 24° | 20 21° | 21 24° | 22 21° | 23 23° | 24 15° | 25 19° |
| 26 22° | 27 23° | 28 25° | 29 21° | 30 23° | 31 26° |
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Temperatures trend during May in Montréal
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 or heavy rain shower | 13° /4° | 22.7 mm | 3 | |
| 2 May | Moderate or heavy rain shower | 12° /6° | 8.8 mm | 3 | |
| 3 May | Moderate rain at times | 13° /5° | 4.7 mm | 3 | |
| 4 May | Patchy rain possible | 11° /6° | 4 mm | 3 | |
| 5 May | Overcast | 13° /7° | 3.6 mm | 3 | |
| 6 May | Partly cloudy | 20° /7° | 0.6 mm | 5 | |
| 7 May | Partly cloudy | 19° /8° | 0 mm | 6 | |
| 8 May | Partly cloudy | 15° /8° | 1.7 mm | 4 | |
| 9 May | Sunny | 13° /5° | 0.1 mm | 4 | |
| 10 May | Overcast | 18° /5° | 0 mm | 5 | |
| 11 May | Cloudy | 20° /8° | 2.8 mm | 5 | |
| 12 May | Heavy rain at times | 19° /11° | 2.3 mm | 4 | |
| 13 May | Sunny | 17° /8° | 1.4 mm | 4 | |
| 14 May | Partly cloudy | 17° /8° | 7.8 mm | 5 | |
| 15 May | Overcast | 21° /8° | 0 mm | 5 | |
| 16 May | Moderate or heavy rain shower | 18° /8° | 8.3 mm | 4 | |
| 17 May | Patchy rain possible | 16° /7° | 0.4 mm | 4 | |
| 18 May | Sunny | 17° /8° | 0.4 mm | 5 | |
| 19 May | Patchy rain possible | 24° /10° | 0.4 mm | 6 | |
| 20 May | Moderate or heavy rain shower | 21° /13° | 8.4 mm | 5 | |
| 21 May | Patchy rain possible | 24° /13° | 4.8 mm | 6 | |
| 22 May | Sunny | 21° /10° | 4.7 mm | 6 | |
| 23 May | Sunny | 23° /12° | 0 mm | 6 | |
| 24 May | Moderate or heavy rain shower | 15° /9° | 7.6 mm | 4 | |
| 25 May | Partly cloudy | 19° /6° | 0 mm | 5 | |
| 26 May | Sunny | 22° /9° | 0 mm | 6 | |
| 27 May | Partly cloudy | 23° /10° | 4.6 mm | 6 | |
| 28 May | Sunny | 25° /13° | 3.8 mm | 6 | |
| 29 May | Sunny | 21° /11° | 0 mm | 5 | |
| 30 May | Partly cloudy | 23° /9° | 0 mm | 6 | |
| 31 May | Sunny | 26° /12° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Montréal 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 Montréal forecast closer to your planned date for the most up-to-date weather information.
Montréal in May - FAQ
What are the expected maximum and minimum temperatures in Montréal during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Montréal during May?
Significant rainfall exceeding 190.9 mm is expected in Montréal during May, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Montréal during May?
The average wind speed in Montréal during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Montréal
Explore the daily rainfall trends and prepare for Montréals May weather 💧
UV exposure in Montréal during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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