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.
Welland experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 151.8 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
17°/9°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Welland Weather May
Move between months or click on a day
Temperatures trend during May in Welland
See the weather trend as well as the moving average line
May weather in Welland day by day
Click on a date for more information
| 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 | |
| Next | |||||
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 17° 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?
Significant rainfall exceeding 151.8 mm is expected in Welland during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
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 ☀️
Quick links
More Welland weather pages
You are here
Where is Welland?Get accurate weather forecasts for Welland, located at latitude 42.983 and longitude -79.25. Stay updated with localized weather information tailored for Welland.
Found a mistake?
We appreciate your attention to details. Tell us here.