Wellington County (Guelph)
May
Weather in Wellington County for May 2026
Your guide to Wellington County weather in May - trends and predictions
In general, the average temperature in Wellington County at the beginning of May is 14.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °C by the end of May.
Wellington County experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 156.3 mm.
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Temperatures
Rain 🌧️
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9
Dry days
22
Rainy days
0
Snow days
17°/7°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
Wellington County Weather May
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Temperatures trend during May in Wellington County
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May weather in Wellington County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 11° /3° | 22.3 mm | 3 | |
| 2 May | Moderate rain at times | 12° /3° | 1.9 mm | 3 | |
| 3 May | Moderate rain at times | 13° /4° | 2.2 mm | 3 | |
| 4 May |  Patchy rain possible | 14° /6° | 2 mm | 3 | |
| 5 May | Patchy rain possible | 15° /7° | 0.3 mm | 3 | |
| 6 May |  Overcast | 17° /6° | 16.2 mm | 4 | |
| 7 May | Moderate or heavy rain shower | 17° /6° | 3.2 mm | 4 | |
| 8 May |  Cloudy | 17° /6° | 0.3 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 15° /4° | 1.9 mm | 4 | |
| 10 May |  Partly cloudy | 18° /4° | 0.3 mm | 4 | |
| 11 May | Overcast | 17° /6° | 1 mm | 4 | |
| 12 May | Partly cloudy | 22° /7° | 0.3 mm | 5 | |
| 13 May | Overcast | 18° /11° | 7.6 mm | 4 | |
| 14 May | Overcast | 16° /9° | 8.6 mm | 4 | |
| 15 May |  Sunny | 20° /8° | 2 mm | 5 | |
| 16 May | Overcast | 22° /9° | 4.9 mm | 5 | |
| 17 May | Sunny | 17° /7° | 7.2 mm | 4 | |
| 18 May | Sunny | 17° /6° | 0.8 mm | 4 | |
| 19 May | Overcast | 20° /6° | 1.3 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 18° /7° | 8.5 mm | 4 | |
| 21 May | Sunny | 18° /10° | 19.5 mm | 4 | |
| 22 May | Cloudy | 17° /10° | 13 mm | 4 | |
| 23 May | Overcast | 17° /8° | 9.7 mm | 4 | |
| 24 May | Patchy rain possible | 16° /7° | 0.1 mm | 4 | |
| 25 May | Sunny | 17° /5° | 0.5 mm | 4 | |
| 26 May | Sunny | 20° /5° | 0 mm | 5 | |
| 27 May | Sunny | 20° /9° | 1.1 mm | 5 | |
| 28 May | Sunny | 18° /10° | 2.6 mm | 5 | |
| 29 May | Sunny | 18° /8° | 12.7 mm | 4 | |
| 30 May | Sunny | 20° /8° | 0 mm | 5 | |
| 31 May | Sunny | 20° /8° | 4.4 mm | 5 | |
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Important Notice
Our weather forecast for Wellington County 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 Wellington County forecast closer to your planned date for the most up-to-date weather information.
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Wellington County in May - FAQ
What are the expected maximum and minimum temperatures in Wellington County 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 Wellington County during May?
Significant rainfall exceeding 156.3 mm is expected in Wellington County during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wellington County during May?
The average wind speed in Wellington County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Wellington County
Explore the daily rainfall trends and prepare for Wellington Countys May weather 💧
UV exposure in Wellington County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Wellington County?Get accurate weather forecasts for Wellington County, located at latitude 43.546 and longitude -80.256. Stay updated with localized weather information tailored for Wellington County.
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