Thunder Bay weather in May (Ontario, Canada)

What kind of temperatures can you expect in Thunder Bay during May? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

Typically, May in Thunder Bay includes moderate temperatures and moderate rainfall. Daytime temperatures hover around 13°C, while nights can cool down to about 4°C.

Precipitation

Thunder Bay in May usually receives moderate rainfall, averaging around 73 mm for the month. According to historical climate patterns, there are usually around 11 days days of rain.

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

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

 

Thunder Bay, monthly averages in May

Min Temperature 4°C  

Max Temperature 13°C  

Chance of Rain 36%  

Precipitation 73 mm  

Rainy days 11 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

Map not visible? Whoops sorry! Please refresh the page.

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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

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

Cycling

6/10

Walking

6/10

Barbeque

4/10

Camping

4/10

Outdoor sports

6/10

Interested in more climate information?

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

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.