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Markham Weather in May
May in Markham averages 18°C (64°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 83 mm (3.3 in) on average. An umbrella is a good idea.
Rainfall in Markham in May
Typically, about 11 days will experience rainfall, with an average of 83 mm (3.3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Markham in May
Markham in May gets highs of 18°C (64°F) during the day and drops to 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Markham in May
Enjoy a sunny month with about 227 hours of sunshine, the clear skies make Markham even more beautiful.For Markham itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Markham Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
35%
Precipitation
83 mm (3.3 in)
Rainy days
11 days
Humidity
76% *
Sunshine
227 hours *
Percentage Sunshine
50% *
* Data from: Toronto, Canada (22 KM, 14 Miles).
Markham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Markham - and find the best time to visit.
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Markham in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Markham in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Markham 3-Day Forecast
More climate data for Markham
Temperature Rainfall Sunshine Humidity
See the full Markham climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
21°C (70°F) Montréal20°C (68°F) Ottawa20°C (68°F) Quebec City19°C (66°F) Calgary17°C (63°F) Vancouver16°C (61°F) Toronto16°C (61°F) Whistler11°C (52°F) Bucket list
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