Markham
May
Weather in Markham for May 2025
Your guide to Markham weather in May - trends and predictions
In general, the average temperature in Markham at the beginning of May is 13.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of May.
With an average of 4 rainy days, Markham experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
20°/7°
Temperatures
15 km/h
Avg max wind
67 %
Avg humidity
Markham in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  12° | 3 12° | 4  13° | |||
| 5  12° | 6  16° | 7 16° | 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 | Heavy rain at times | 12° /5° | 1.5 mm | 3 | |
| 2 May | Moderate rain at times | 12° /5° | 2 mm | 3 | |
| 3 May | Moderate rain at times | 12° /6° | 4.5 mm | 3 | |
| 4 May | Patchy rain possible | 13° /7° | 0.9 mm | 3 | |
| 5 May | Overcast | 12° /7° | 1.3 mm | 3 | |
| 6 May | Partly cloudy | 16° /6° | 0 mm | 5 | |
| 7 May | Heavy rain at times | 16° /8° | 4.7 mm | 4 | |
| 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 20° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Markham during May?
Significant rainfall exceeding 114.5 mm is expected in Markham during May, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Markham during May?
The average wind speed in Markham during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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