Ontario weather in May (California, United States of America)

Thinking of visiting Ontario in May? Check the weather first! Find out what kind of weather to expect during this month.

Temperatures

The weather in Ontario during May is usually perfect, offering high temperatures and low rainfall. Throughout the day, temperatures typically settle at around 26°C. But by evening, they drop to around 12°C.

Precipitation

Ontario in May usually receives low rainfall, averaging around 7.1 mm for the month. Historically, the month has about 2 days of rain.

Average sunshine

There are approximately 311 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, February, March, April, May, June, July, September, October and November typically offer the most optimal weather. In contrast, August and December tend to have less optimal conditions.

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

 

Ontario, monthly averages in May

Min Temperature 12°C  

Max Temperature 26°C  

Chance of Rain 7%  

Precipitation 7.1 mm  

Rainy days 2 days  

Sunshine 311 hours *  

Percentage Sunshine *  

Data from: Corona, the United States of America (22 KM, 13 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America 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?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. 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.