Regional Municipality of Waterloo (Kitchener)
May
Weather in Regional Municipality of Waterloo for May 2025
Your guide to Regional Municipality of Waterloo weather in May - trends and predictions
In general, the average temperature in Regional Municipality of Waterloo at the beginning of May is 14.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °C by the end of May.
Regional Municipality of Waterloo in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 60.9 mm.
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Temperatures
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15
Dry days
16
Rainy days
0
Snow days
18°/8°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Regional Municipality of Waterloo in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  11° | 3 13° | 4  14° | |||
| 5 15° | 6  17° | 7 18° | 8 20° | 9 15° | 10  17° | 11  16° |
| 12  19° | 13 21° | 14 15° | 15 20° | 16 19° | 17 17° | 18 20° |
| 19 23° | 20 19° | 21 23° | 22 21° | 23 22° | 24 19° | 25 19° |
| 26 21° | 27 20° | 28 20° | 29 21° | 30 22° | 31 24° |
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Temperatures trend during May in Regional Municipality of Waterloo
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° /4° | 2.6 mm | 4 | |
| 2 May | Moderate rain at times | 11° /3° | 3 mm | 3 | |
| 3 May | Moderate rain at times | 13° /5° | 3.5 mm | 3 | |
| 4 May | Patchy rain possible | 14° /8° | 0.6 mm | 4 | |
| 5 May | Patchy rain possible | 15° /6° | 0.3 mm | 4 | |
| 6 May | Cloudy | 17° /4° | 0 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 18° /6° | 4.5 mm | 4 | |
| 8 May | Cloudy | 20° /9° | 0.4 mm | 5 | |
| 9 May | Moderate or heavy rain shower | 15° /6° | 3.6 mm | 4 | |
| 10 May | Sunny | 17° /6° | 1 mm | 5 | |
| 11 May | Overcast | 16° /8° | 1.4 mm | 4 | |
| 12 May | Partly cloudy | 19° /8° | 0.3 mm | 5 | |
| 13 May | Overcast | 21° /10° | 5.9 mm | 5 | |
| 14 May | Overcast | 15° /7° | 9.2 mm | 4 | |
| 15 May | Sunny | 20° /7° | 0 mm | 5 | |
| 16 May | Overcast | 19° /8° | 0.2 mm | 4 | |
| 17 May | Sunny | 17° /6° | 0.3 mm | 5 | |
| 18 May | Sunny | 20° /6° | 0 mm | 5 | |
| 19 May | Overcast | 23° /8° | 3.2 mm | 6 | |
| 20 May | Heavy rain at times | 19° /10° | 11.8 mm | 5 | |
| 21 May | Sunny | 23° /12° | 3.6 mm | 6 | |
| 22 May | Overcast | 21° /12° | 1 mm | 5 | |
| 23 May | Overcast | 22° /9° | 0 mm | 6 | |
| 24 May | Patchy rain possible | 19° /8° | 0.1 mm | 5 | |
| 25 May | Sunny | 19° /5° | 1.3 mm | 5 | |
| 26 May | Sunny | 21° /6° | 0 mm | 6 | |
| 27 May | Sunny | 20° /10° | 1.6 mm | 5 | |
| 28 May | Sunny | 20° /9° | 1.3 mm | 5 | |
| 29 May | Sunny | 21° /8° | 0 mm | 5 | |
| 30 May | Sunny | 22° /8° | 0 mm | 6 | |
| 31 May | Sunny | 24° /9° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Regional Municipality of Waterloo 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 Regional Municipality of Waterloo forecast closer to your planned date for the most up-to-date weather information.
Regional Municipality of Waterloo in May - FAQ
What are the expected maximum and minimum temperatures in Regional Municipality of Waterloo during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Regional Municipality of Waterloo during May?
Moderate rainfall is anticipated in Regional Municipality of Waterloo during May, with a total of 60.9 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Regional Municipality of Waterloo during May?
The average wind speed in Regional Municipality of Waterloo during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Regional Municipality of Waterloo
Explore the daily rainfall trends and prepare for Regional Municipality of Waterloos May weather 💧
UV exposure in Regional Municipality of Waterloo during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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