Markham
May
Weather in Markham for May 2025
Your guide to Markham weather in May - trends and predictions
The forecast for the first days of May 2025 in Markham predicts temperatures to be around 16 °C, close to the historical average.
In general, the average temperature in Markham at the beginning of May is 16 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of May.
Markham in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 63.6 mm.
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Temperatures
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15
Dry days
16
Rainy days
0
Snow days
18°/9°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
Markham Weather May
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  14° | 2  17° | 3 10° | ||||
| 4 16° | 5  16° | 6  19° | 7 20° | 8 20° | 9 14° | 10 16° |
| 11 17° | 12 18° | 13 20° | 14  15° | 15 19° | 16 20° | 17 16° |
| 18 18° | 19 21° | 20  20° | 21 24° | 22 22° | 23 21° | 24  19° |
| 25 17° | 26 20° | 27 21° | 28 19° | 29 19° | 30 21° | 31 24° |
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Temperatures trend during May in Markham
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 | Sunny | 14° /5° | 0 mm | 3 | |
| 2 May | Patchy rain possible | 17° /2° | 0.4 mm | 2 | |
| 3 May | Sunny | 10° /-1° | 0 mm | 2 | |
| 4 May | Sunny | 16° /2° | 0 mm | 3 | |
| 5 May | Partly cloudy | 16° /8° | 0 mm | 4 | |
| 6 May | Cloudy | 19° /11° | 0.1 mm | 3 | |
| 7 May | Partly cloudy | 20° /13° | 0.1 mm | 5 | |
| 8 May | Partly cloudy | 20° /9° | 0.4 mm | 5 | |
| 9 May | Partly cloudy | 14° /8° | 1.5 mm | 4 | |
| 10 May | Sunny | 16° /7° | 0.2 mm | 4 | |
| 11 May | Partly cloudy | 17° /7° | 0.4 mm | 5 | |
| 12 May | Partly cloudy | 18° /10° | 0.9 mm | 5 | |
| 13 May | Partly cloudy | 20° /11° | 7.6 mm | 5 | |
| 14 May | Overcast | 15° /8° | 11.9 mm | 4 | |
| 15 May | Sunny | 19° /7° | 0.1 mm | 5 | |
| 16 May | Partly cloudy | 20° /9° | 0 mm | 5 | |
| 17 May | Sunny | 16° /7° | 0 mm | 4 | |
| 18 May | Sunny | 18° /7° | 0 mm | 5 | |
| 19 May | Overcast | 21° /9° | 1.6 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 20° /11° | 13.7 mm | 5 | |
| 21 May | Partly cloudy | 24° /12° | 0.5 mm | 6 | |
| 22 May | Overcast | 22° /12° | 2 mm | 5 | |
| 23 May | Sunny | 21° /11° | 0.1 mm | 6 | |
| 24 May | Heavy rain at times | 19° /10° | 1.4 mm | 5 | |
| 25 May | Sunny | 17° /7° | 2 mm | 5 | |
| 26 May | Sunny | 20° /8° | 0 mm | 6 | |
| 27 May | Sunny | 21° /11° | 2.6 mm | 5 | |
| 28 May | Overcast | 19° /10° | 1.8 mm | 5 | |
| 29 May | Sunny | 19° /10° | 0 mm | 6 | |
| 30 May | Sunny | 21° /9° | 0 mm | 6 | |
| 31 May | Sunny | 24° /12° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Markham 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 Markham forecast closer to your planned date for the most up-to-date weather information.
Markham in May - FAQ
What are the expected maximum and minimum temperatures in Markham 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 Markham during May?
Moderate rainfall is anticipated in Markham during May, with a total of 63.6 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Markham during May?
The average wind speed in Markham during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Markham
Explore the daily rainfall trends and prepare for Markhams May weather 💧
UV exposure in Markham during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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