The weather in Ottawa in January is very cold with temperatures between 6°F and 19°F, warm clothes are a must.
You can expect about 3 to 8 days of rain in Ottawa during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Ottawa to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Ottawa in January 2026.
If you’re planning to visit Ottawa in the near future, we highly recommend that you review the 14 day weather forecast for Ottawa before you arrive.
Temperatures
19° / 6°
Rainy Days
5
Snowy Days
22
Dry Days
5
Rainfall
3.5
in
Sun Hours
5.5
Hrs
