Welland
May
Weather in Welland for May 2026
Your guide to Welland weather in May - trends and predictions
In general, the average temperature in Welland at the beginning of May is 14.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °C by the end of May.
The climate of Welland in May is notably wet, with an average of 12 rainy days, and a total of 60.1 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
18°/9°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Welland Weather May
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Temperatures trend during May in Welland
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May weather in Welland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 13° /5° | 5.6 mm | 3 | |
| 2 May |  Heavy rain at times | 13° /7° | 7.6 mm | 3 | |
| 3 May |  Moderate rain at times | 14° /6° | 3.7 mm | 3 | |
| 4 May | Patchy rain possible | 12° /7° | 13.6 mm | 3 | |
| 5 May |  Overcast | 16° /8° | 0.4 mm | 4 | |
| 6 May |  Partly cloudy | 17° /8° | 6.6 mm | 5 | |
| 7 May | Heavy rain at times | 18° /7° | 2.7 mm | 4 | |
| 8 May |  Cloudy | 15° /8° | 0.5 mm | 3 | |
| 9 May | Overcast | 14° /6° | 2.6 mm | 4 | |
| 10 May |  Sunny | 16° /5° | 0.1 mm | 4 | |
| 11 May | Overcast | 17° /6° | 1.3 mm | 4 | |
| 12 May | Sunny | 20° /8° | 0.2 mm | 5 | |
| 13 May | Cloudy | 19° /12° | 5.4 mm | 4 | |
| 14 May | Overcast | 17° /11° | 5 mm | 4 | |
| 15 May | Sunny | 20° /9° | 0 mm | 5 | |
| 16 May | Overcast | 19° /11° | 22.4 mm | 4 | |
| 17 May | Sunny | 17° /8° | 5.8 mm | 4 | |
| 18 May | Sunny | 18° /8° | 0.1 mm | 4 | |
| 19 May | Heavy rain at times | 19° /9° | 1.6 mm | 5 | |
| 20 May | Partly cloudy | 18° /9° | 11.2 mm | 4 | |
| 21 May | Partly cloudy | 18° /10° | 14.1 mm | 4 | |
| 22 May | Partly cloudy | 18° /11° | 15.1 mm | 4 | |
| 23 May | Cloudy | 18° /9° | 1.7 mm | 4 | |
| 24 May | Patchy rain possible | 17° /9° | 3.2 mm | 4 | |
| 25 May | Sunny | 17° /7° | 3.7 mm | 4 | |
| 26 May | Sunny | 21° /7° | 0 mm | 5 | |
| 27 May | Sunny | 21° /10° | 1.5 mm | 5 | |
| 28 May | Sunny | 19° /11° | 1 mm | 5 | |
| 29 May | Sunny | 18° /10° | 15.2 mm | 5 | |
| 30 May | Sunny | 20° /10° | 0 mm | 5 | |
| 31 May | Overcast | 20° /11° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Welland 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 Welland forecast closer to your planned date for the most up-to-date weather information.
Change Month
Welland in May - FAQ
What are the expected maximum and minimum temperatures in Welland during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Welland during May?
Moderate rainfall is anticipated in Welland during May, with a total of 60.1 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Welland during May?
The average wind speed in Welland during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Welland
Explore the daily rainfall trends and prepare for Wellands May weather 💧
UV exposure in Welland during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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