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Weather in Guelph for May 2025

Your guide to Guelph weather in May - trends and predictions
  • In general, the average temperature in Guelph 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.

  • Guelph sees moderate rainfall in May, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/6°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Guelph in May average weather

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Temperatures trend during May in Guelph

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
Moderate or heavy rain shower
13° /4° 3.2 mm 3
2 May Moderate rain at times
Moderate rain at times
11° /3° 2.8 mm 3
3 May Moderate rain at times
Moderate rain at times
12° /5° 3.4 mm 3
4 May Patchy rain possible
Patchy rain possible
13° /7° 0.6 mm 3
5 May Patchy rain possible
Patchy rain possible
15° /6° 0.4 mm 4
6 May Overcast
Overcast
17° /4° 0 mm 5
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
16° /6° 4.8 mm 4
8 May Cloudy
Cloudy
19° /8° 0.5 mm 5
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
14° /6° 2.9 mm 4
10 May Partly cloudy
Partly cloudy
17° /7° 0.5 mm 5
11 May Overcast
Overcast
16° /8° 1.4 mm 4
12 May Partly cloudy
Partly cloudy
19° /8° 0.4 mm 5
13 May Overcast
Overcast
20° /10° 5.6 mm 5
14 May Overcast
Overcast
15° /7° 11.8 mm 4
15 May Sunny
Sunny
20° /6° 0 mm 5
16 May Overcast
Overcast
19° /8° 0.2 mm 4
17 May Sunny
Sunny
17° /6° 0.1 mm 5
18 May Sunny
Sunny
20° /6° 0 mm 5
19 May Overcast
Overcast
22° /8° 1.9 mm 5
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /10° 12.7 mm 4
21 May Sunny
Sunny
23° /12° 4.3 mm 6
22 May Cloudy
Cloudy
21° /12° 1.1 mm 5
23 May Overcast
Overcast
21° /9° 0 mm 6
24 May Patchy rain possible
Patchy rain possible
19° /8° 0.2 mm 5
25 May Sunny
Sunny
19° /5° 0.7 mm 5
26 May Sunny
Sunny
21° /5° 0 mm 6
27 May Sunny
Sunny
21° /10° 1.6 mm 5
28 May Sunny
Sunny
19° /9° 1.1 mm 5
29 May Sunny
Sunny
21° /8° 0 mm 5
30 May Sunny
Sunny
21° /8° 0 mm 6
31 May Sunny
Sunny
23° /9° 0 mm 6
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Important Notice
Our weather forecast for Guelph 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 Guelph forecast closer to your planned date for the most up-to-date weather information.

Guelph in May - FAQ

What are the expected maximum and minimum temperatures in Guelph during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Guelph during May?
Significant rainfall exceeding 117.8 mm is expected in Guelph during May, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guelph during May?
The average wind speed in Guelph during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Guelph

Explore the daily rainfall trends and prepare for Guelphs May weather 💧

UV exposure in Guelph during May

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

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Location coordinates Where is Guelph?

Get accurate weather forecasts for Guelph, located at latitude 43.546 and longitude -80.256. Stay updated with localized weather information tailored for Guelph.

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