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Canada weather

Weather in Waterloo for May 2027

Your guide to Waterloo weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Waterloo at the beginning of May is 13.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °C by the end of May.

    • Rain 🌧️

  • The climate of Waterloo in May is notably wet, with an average of 11 rainy days, and a total of 123.7 mm of precipitation.

    • More

  • Is May a good time to visit Waterloo? check out the best time to travel to Waterloo page.

  • ✨ Is May a good time to visit Waterloo? – Ask the AI Weatherman

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/7°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Waterloo Weather May

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

Temperatures trend during May in Waterloo

See the weather trend as well as the moving average line

May weather in Waterloo day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Heavy rain at times
Heavy rain at times
 11° /3° 15.3 mm 4
2 May Patchy rain possible
Patchy rain possible
 11° /3° 1.9 mm 4
3 May Patchy rain possible
Patchy rain possible
 13° /3° 2.1 mm 4
4 May Patchy rain possible
Patchy rain possible
 15° /7° 2.2 mm 4
5 May Patchy rain possible
Patchy rain possible
 14° /8° 0.3 mm 4
6 May Light rain
Light rain
 15° /6° 9.8 mm 5
7 May Patchy rain possible
Patchy rain possible
 16° /5° 2.4 mm 5
8 May Cloudy
Cloudy
 16° /6° 0.3 mm 4
9 May Light rain
Light rain
 15° /4° 3.1 mm 4
10 May Partly cloudy
Partly cloudy
 16° /4° 0.5 mm 6
11 May Overcast
Overcast
 14° /5° 0.7 mm 6
12 May Patchy rain possible
Patchy rain possible
 19° /6° 0.6 mm 6
13 May Light rain
Light rain
 17° /10° 6.5 mm 4
14 May Light rain
Light rain
 15° /8° 4.6 mm 3
15 May Patchy rain possible
Patchy rain possible
 19° /8° 1.4 mm 6
16 May Light rain
Light rain
 20° /9° 3.1 mm 5
17 May Light rain
Light rain
 19° /9° 5.2 mm 6
18 May Overcast
Overcast
 19° /9° 0.6 mm 5
19 May Light rain
Light rain
 22° /10° 4 mm 6
20 May Heavy rain at times
Heavy rain at times
 18° /7° 6 mm 6
21 May Moderate rain
Moderate rain
 18° /10° 21 mm 4
22 May Light rain
Light rain
 17° /9° 8.4 mm 6
23 May Light rain
Light rain
 15° /8° 8.6 mm 4
24 May Patchy rain possible
Patchy rain possible
 16° /8° 0.7 mm 4
25 May Sunny
Sunny
 19° /6° 0.7 mm 6
26 May Sunny
Sunny
 21° /8° 0 mm 7
27 May Overcast
Overcast
 20° /10° 0.8 mm 6
28 May Sunny
Sunny
 18° /10° 0.6 mm 6
29 May Light rain
Light rain
 19° /8° 9.4 mm 6
30 May Sunny
Sunny
 20° /8° 0 mm 7
31 May Light rain
Light rain
 21° /8° 2.9 mm 6
Next
Important Notice
Our weather forecast for 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 Waterloo forecast closer to your planned date for the most up-to-date weather information.
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Waterloo in May - FAQ

What are the expected maximum and minimum temperatures in Waterloo during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Waterloo during May?
Significant rainfall exceeding 123.7 mm is expected in Waterloo during May, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Waterloo during May?
The average wind speed in Waterloo during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Waterloo

Explore the daily rainfall trends and prepare for Waterloos May weather 💧
Typically, Waterloo has 11 rainy days in May with a total of 123.7 mm of rainfall.

UV exposure in Waterloo during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Get accurate weather forecasts for Waterloo, located at latitude 43.467 and longitude -80.516. Stay updated with localized weather information tailored for Waterloo.

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