Brantford
May
Weather in Brantford for May 2026
Your guide to Brantford weather in May - trends and predictions
The forecast for the first days of May 2026 in Brantford predicts temperatures to be around 12 °C, close to the historical average.
In general, the average temperature in Brantford at the beginning of May is 11 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20 °C by the end of May.
Brantford in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 130.5 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
18°/8°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Brantford Weather May
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Temperatures trend during May in Brantford
See the weather trend as well as the moving average line
May weather in Brantford day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 10° /-1° | 2.1 mm | 5.4 | |
| 2 May | Patchy rain possible | 9° /-1° | 0.3 mm | 5.2 | |
| 3 May |  Partly cloudy | 12° /-1° | 0 mm | 5.3 | |
| 4 May | Patchy rain possible | 13° /7° | 1.2 mm | 0.1 | |
| 5 May |  Moderate rain | 10° /7° | 5.1 mm | 2 | |
| 6 May | Patchy rain possible | 15° /5° | 3.1 mm | 2 | |
| 7 May | Moderate rain | 8° /4° | 8.1 mm | 2 | |
| 8 May | Patchy rain possible | 9° /2° | 0 mm | 2 | |
| 9 May |  Sunny | 12° /0° | 0 mm | 3 | |
| 10 May | Sunny | 16° /2° | 0 mm | 3 | |
| 11 May | Patchy rain possible | 11° /6° | 0.7 mm | 2 | |
| 12 May | Patchy rain possible | 8° /6° | 1.6 mm | 2 | |
| 13 May | Patchy rain possible | 20° /7° | 1.1 mm | 3 | |
| 14 May |  Cloudy | 18° /10° | 7.3 mm | 4 | |
| 15 May | Sunny | 21° /8° | 0 mm | 5 | |
| 16 May |  Overcast | 23° /11° | 10.3 mm | 5 | |
| 17 May | Sunny | 18° /8° | 5.2 mm | 4 | |
| 18 May | Sunny | 18° /7° | 0 mm | 4 | |
| 19 May | Overcast | 21° /7° | 0.8 mm | 5 | |
| 20 May |  Moderate or heavy rain shower | 18° /8° | 7.6 mm | 4 | |
| 21 May | Sunny | 19° /10° | 21.2 mm | 5 | |
| 22 May | Overcast | 18° /11° | 5.2 mm | 4 | |
| 23 May | Overcast | 18° /8° | 0.1 mm | 4 | |
| 24 May | Patchy rain possible | 19° /8° | 0.1 mm | 4 | |
| 25 May | Sunny | 19° /6° | 2.1 mm | 5 | |
| 26 May | Sunny | 21° /5° | 0 mm | 6 | |
| 27 May | Sunny | 20° /9° | 0.9 mm | 5 | |
| 28 May | Sunny | 19° /9° | 0.4 mm | 5 | |
| 29 May | Sunny | 19° /9° | 15.2 mm | 5 | |
| 30 May | Sunny | 21° /9° | 0 mm | 5 | |
| 31 May | Sunny | 21° /9° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Brantford 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 Brantford forecast closer to your planned date for the most up-to-date weather information.
Change Month
Brantford in May - FAQ
What are the expected maximum and minimum temperatures in Brantford 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 Brantford during May?
Significant rainfall exceeding 130.5 mm is expected in Brantford during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brantford during May?
The average wind speed in Brantford during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Brantford
Explore the daily rainfall trends and prepare for Brantfords May weather 💧
Typically, Brantford has 17 rainy days in May with a total of 130.5 mm of rainfall.
UV exposure in Brantford during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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