Niagara Falls weather in May (Ontario, Canada)

Curious about the May weather in Niagara Falls? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In Niagara Falls the weather in May is generally perfect, characterized by pleasant temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 21°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 9°C.

Niagara Falls in May usually receives moderate rainfall, averaging around 67 mm for the month. Typically around 13 days of rainfall is expected.

The city usually sees around 259 hours of sunlight, indicating many sunny days.

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

 

Niagara Falls, monthly averages in May

Min Temperature 9°C  

Max Temperature 21°C  

Chance of Rain 43%  

Precipitation 67 mm  

Rainy days 13 days  

Humidity 67% *  

Sunshine 259 hours *  

Percentage Sunshine 57% *  

* Data from: Buffalo, the United States of America (28 KM, 17 Miles).

Where to go in Canada in May

Find out more about the weather in Canada in May and which places have the best weather 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 Niagara Falls in May?

For visitors traveling to Niagara Falls, 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 in May.

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Niagara Falls.

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 climate conditions. Find out where to go with our weather planner.