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Weather in Waterloo for May 2025

Your guide to Waterloo weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in 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.

  • Rain 🌧️

  • 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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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/8°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Waterloo in May average weather

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Temperatures trend during May in 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
Heavy rain at times
13° /4° 2.6 mm 4
2 May Moderate rain at times
Moderate rain at times
11° /3° 3 mm 3
3 May Moderate rain at times
Moderate rain at times
13° /5° 3.5 mm 3
4 May Patchy rain possible
Patchy rain possible
14° /8° 0.6 mm 4
5 May Patchy rain possible
Patchy rain possible
15° /6° 0.3 mm 4
6 May Cloudy
Cloudy
17° /4° 0 mm 5
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
18° /6° 4.5 mm 4
8 May Cloudy
Cloudy
20° /9° 0.4 mm 5
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
15° /6° 3.6 mm 4
10 May Sunny
Sunny
17° /6° 1 mm 5
11 May Overcast
Overcast
16° /8° 1.4 mm 4
12 May Partly cloudy
Partly cloudy
19° /8° 0.3 mm 5
13 May Overcast
Overcast
21° /10° 5.9 mm 5
14 May Overcast
Overcast
15° /7° 9.2 mm 4
15 May Sunny
Sunny
20° /7° 0 mm 5
16 May Overcast
Overcast
19° /8° 0.2 mm 4
17 May Sunny
Sunny
17° /6° 0.3 mm 5
18 May Sunny
Sunny
20° /6° 0 mm 5
19 May Overcast
Overcast
23° /8° 3.2 mm 6
20 May Heavy rain at times
Heavy rain at times
19° /10° 11.8 mm 5
21 May Sunny
Sunny
23° /12° 3.6 mm 6
22 May Overcast
Overcast
21° /12° 1 mm 5
23 May Overcast
Overcast
22° /9° 0 mm 6
24 May Patchy rain possible
Patchy rain possible
19° /8° 0.1 mm 5
25 May Sunny
Sunny
19° /5° 1.3 mm 5
26 May Sunny
Sunny
21° /6° 0 mm 6
27 May Sunny
Sunny
20° /10° 1.6 mm 5
28 May Sunny
Sunny
20° /9° 1.3 mm 5
29 May Sunny
Sunny
21° /8° 0 mm 5
30 May Sunny
Sunny
22° /8° 0 mm 6
31 May Sunny
Sunny
24° /9° 0 mm 6
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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.

Waterloo in May - FAQ

What are the expected maximum and minimum temperatures in 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 Waterloo during May?
Moderate rainfall is anticipated in 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 Waterloo during May?
The average wind speed in Waterloo during May is 19 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 💧

UV exposure in Waterloo during May

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

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Location coordinates Where is Waterloo?

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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