Guelph
May
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.
The climate of Guelph in May is notably wet, with an average of 14 rainy days, and a total of 62.3 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
18°/8°
Temperatures
18 km/h
Avg max wind
73 %
Avg humidity
Guelph in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2 11° | 3 12° | 4  13° | |||
| 5 15° | 6  17° | 7 16° | 8  19° | 9 14° | 10  17° | 11 16° |
| 12 19° | 13 20° | 14 15° | 15  20° | 16 19° | 17 17° | 18 20° |
| 19 22° | 20 19° | 21 23° | 22 21° | 23 21° | 24 19° | 25 19° |
| 26 21° | 27 21° | 28 19° | 29 21° | 30 21° | 31 23° |
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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 | 13° /4° | 3.2 mm | 3 | |
| 2 May | Moderate rain at times | 11° /3° | 2.8 mm | 3 | |
| 3 May | Moderate rain at times | 12° /5° | 3.4 mm | 3 | |
| 4 May | Patchy rain possible | 13° /7° | 0.6 mm | 3 | |
| 5 May | Patchy rain possible | 15° /6° | 0.4 mm | 4 | |
| 6 May | Overcast | 17° /4° | 0 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 16° /6° | 4.8 mm | 4 | |
| 8 May | Cloudy | 19° /8° | 0.5 mm | 5 | |
| 9 May | Moderate or heavy rain shower | 14° /6° | 2.9 mm | 4 | |
| 10 May | Partly cloudy | 17° /7° | 0.5 mm | 5 | |
| 11 May | Overcast | 16° /8° | 1.4 mm | 4 | |
| 12 May | Partly cloudy | 19° /8° | 0.4 mm | 5 | |
| 13 May | Overcast | 20° /10° | 5.6 mm | 5 | |
| 14 May | Overcast | 15° /7° | 11.8 mm | 4 | |
| 15 May | Sunny | 20° /6° | 0 mm | 5 | |
| 16 May | Overcast | 19° /8° | 0.2 mm | 4 | |
| 17 May | Sunny | 17° /6° | 0.1 mm | 5 | |
| 18 May | Sunny | 20° /6° | 0 mm | 5 | |
| 19 May | Overcast | 22° /8° | 1.9 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 19° /10° | 12.7 mm | 4 | |
| 21 May | Sunny | 23° /12° | 4.3 mm | 6 | |
| 22 May | Cloudy | 21° /12° | 1.1 mm | 5 | |
| 23 May | Overcast | 21° /9° | 0 mm | 6 | |
| 24 May | Patchy rain possible | 19° /8° | 0.2 mm | 5 | |
| 25 May | Sunny | 19° /5° | 0.7 mm | 5 | |
| 26 May | Sunny | 21° /5° | 0 mm | 6 | |
| 27 May | Sunny | 21° /10° | 1.6 mm | 5 | |
| 28 May | Sunny | 19° /9° | 1.1 mm | 5 | |
| 29 May | Sunny | 21° /8° | 0 mm | 5 | |
| 30 May | Sunny | 21° /8° | 0 mm | 6 | |
| 31 May | 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 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 Guelph during May?
Moderate rainfall is anticipated in Guelph during May, with a total of 62.3 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Guelph during May?
The average wind speed in Guelph during May is 18 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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