Johnstown weather in May (Ontario, Canada)

Curious about the climate in Johnstown this May? Here's what you need to know about the weather for the month.

Temperatures

For May, the weather in Johnstown is generally perfect, featuring pleasant temperatures and moderate rainfall. Daytime temperatures generally peak at 20°C, but after sunset, they often decrease to around 9°C.

Precipitation

Johnstown in May usually receives moderate rainfall, averaging around 82 mm for the month. Typically, you can expect about 13 days of rain this month.

If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit. May, 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 Johnstown climate page with graphs.

 

Johnstown, monthly averages in May

Min Temperature 9°C  

Max Temperature 20°C  

Chance of Rain 43%  

Precipitation 82 mm  

Rainy days 13 days  

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 Johnstown, 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 Johnstown.

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.