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

What weather conditions can you expect in Ontario this January? See what weather conditions to anticipate this month with our guide.

Temperatures

Experience perfect weather in Ontario during January, featuring pleasant temperatures and moderate rainfall. January marks the winter season. Daytime temperatures are expected to be around 20°C, cooling off to about 6°C at night.

Precipitation

Ontario in January usually receives moderate rainfall, averaging around 50 mm for the month. Historically, the month has about 5 days of rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 198 hours of sunshine. Making it a pleasant time to visit Ontario.

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 January

Min Temperature 6°C  

Max Temperature 20°C  

Chance of Rain 17%  

Precipitation 50 mm  

Rainy days 5 days  

Sunshine 198 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 January

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?

For visitors traveling to Ontario, 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.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

5/10

Outdoor sports

10/10

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.