Sarnia weather in July (Ontario, Canada)

Can you expect sunny skies in Sarnia in July? Find out what kind of weather to expect during this month.

Temperatures

You’ll find the weather in Sarnia during July to be perfect, with high temperatures and moderate rainfall. Experience the summer season in July. Expect daytime highs to reach approximately 27°C, with nighttime lows dipping to around 19°C. Known for its high temperatures, this month is the warmest of the year. Dress accordingly to stay comfortable and make the most of the weather.

Precipitation

Sarnia in July usually receives moderate rainfall, averaging around 79 mm for the month. Past climate data indicates that roughly 9 days will see rain.

If you're inclined towards comfortable temperatures and drier conditions, July is a prime time to visit Sarnia. June, July, August and September typically offer 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 Sarnia climate page with graphs.

 

Sarnia, monthly averages in July

Min Temperature 19°C  

Max Temperature 27°C  

Chance of Rain 31%  

Precipitation 79 mm  

Rainy days 9 days  

Where to go in Canada in July

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?

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.

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

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

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.