Thornhill weather in May (Ontario, Canada)

Wondering what the weather is like in Thornhill during May? Get all the weather information you need to plan your visit.

Temperatures

Typically, May in Thornhill includes pleasant temperatures and moderate rainfall. Throughout the day, temperatures can rise to about 18°C. At night, they generally drop to 8°C.

Precipitation

Thornhill in May usually receives moderate rainfall, averaging around 80 mm for the month. Historically, the month has about 11 days of rain.

Average sunshine

Enjoy a sunny month with about 227 hours of sunshine, providing a cheerful and lively atmosphere.

If your ideal day consists of dry skies and moderate temperatures June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Thornhill climate page with graphs.

 

Thornhill, monthly averages in May

Min Temperature 8°C  

Max Temperature 18°C  

Chance of Rain 36%  

Precipitation 80 mm  

Rainy days 11 days  

Humidity 76% *  

Sunshine 227 hours *  

Percentage Sunshine 50% *  

* Data from: Toronto, Canada (16 KM, 10 Miles).

Where to go in Canada in May

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Thornhill, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Thornhill.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.