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Ottawa in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Ottawa in January will be like? Take a look at our weather guide for Ottawa, based on historical data.
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January

Weather in Ottawa in January 2025

OK Weather
Cold
🌨️
Snowy
If you plan to visit Ottawa in January, the weather is typically alright, with an average high temperature of +23°F during the day and approximately 3 sunny days. Expect some snowy, though, as there are typically 16 snowy days in the month and around 47 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Ottawa;

Average weather

☀️
+23°F
Avg. max. temperature
-33°F
Min.
+55°F
Max.
13 mm
Total precipitation
74%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
12 ⛅️
Cloudy
1 🌦
Rainy
Our opinion: Ottawa has OK weather in January.
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Average temperature in Ottawa in January

Here are the expected maximum, average and minimum temperatures in Ottawa for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +41°F during the day to a minimum of -2°F during the night, the temperature in January averages around +28°F.

The average maximum temperature goes down 50% by the end of the month, compared with the beginning of the month, from +39°F to +18°F.

Is Ottawa warm or cold in January?

Ottawa is typically cold in January.

Maximum temperatures go down compared to the previous month from +30°F to +23°F. The minimum temperature also goes down from +16°F to +7°F.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

January is the coldest month in Ottawa, here is the comparison with other months:

Climate in Ottawa in January

Ottawa weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+30°F+23°F+27°F
Min. temperature
-27°F-33°F-26°F
Max. temperature
+63°F+55°F+55°F
Rainfall
23 mm13 mm12 mm
Wind
3 m/s3 m/s3 m/s
Humidity
78%74%70%
Air pressure
1016 HPa1015 HPa1016 HPa
Sunny days
233
Cloudy days
121211
Rainy days
211
Snowy days
151613

January weather is still as ok as in December. It’s getting colder in January. From +30°F in the day, the average maximum temperature lowers to +23°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 23 mm to 13 mm. It feels drier, as humidity decreases from 78% to 74%. The average wind speed doesn’t change much during January, staying around 3 m/s. The good news is there are likely to be more sunny days in January, from 2 to 3.

February brings much the same weather, it remains ok.

Wind

Wind speed in Ottawa in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Ottawa is gradually decreasing during January, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Ottawa based on historical data.
Last Year
Historical Data
Typically, there is a 10% chance of rain on an average day in January, with total rainfall of approximately 9 mm. The maximum amount of rainfall per day is around 5 mm, which is considered light rain. Ottawa is amazing in January with as little as 3 rainy days on average, so plan adventures in the great outdoors.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Ottawa wettest month is July, where a typical day has a 35% chance of precipitation and 91 mm of rainfall per day. February, on the other hand, is the driest month with a mere 3% chance of precipitation and 12 mm of rainfall per day.

Snow

Amount of snow in mm during January in Ottawa based on historical data.
Last Year
Historical Data
Typically, there is a 39% chance of snow on an average day in January, with a total monthly snowfall of approximately 78 mm.

January is one of the snowiest months in Ottawa.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Ottawa?

This is the weather in Ottawa in January 2023:
1 January
☁️
+39°F
2 January
☁️
+40°F
3 January
☁️
+37°F
4 January
🌧️
+36°F
5 January
🌫️
+33°F
6 January
🌨️
+33°F
7 January
☁️
+33°F
8 January
🌨️
+24°F
9 January
☁️
+31°F
10 January
🌨️
+32°F
11 January
☁️
+18°F
12 January
🌨️
+28°F
13 January
🌨️
+31°F
14 January
☀️
+21°F
15 January
☀️
+20°F
16 January
☀️
+27°F
17 January
☀️
+26°F
18 January
🌨️
+34°F
19 January
☁️
+31°F
20 January
🌨️
+30°F
21 January
☁️
+29°F
22 January
☁️
+32°F
23 January
☁️
+33°F
24 January
☁️
+35°F
25 January
☁️
+27°F
26 January
🌨️
+24°F
27 January
🌨️
+23°F
28 January
🌨️
+32°F
29 January
🌨️
+29°F
30 January
🌨️
+21°F
31 January
☀️
+17°F
In January 2023 Ottawa had 5 sunny days, 12 cloudy days, and 1 rainy days. The average maximum temperature was +28°F, with an absolute maximum of +41°F and a minimum of +18°F. The average humidity was 85%, with a maximum of 100% and a minimum of 49%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Ottawa climate has changed over the last 43 years.

The climate in Ottawa in January has not changed that much over the last 43 years.

The average temperature was the lowest in 1992 (+51°F) and the highest in 2012 (+56°F). The driest year was 1985 with only 469 mm of rainfall, and the wettest year was 2017 with 1378 mm.

FAQ

Frequently asked questions about the weather in Ottawa in January:

Is January a good time to visit Ottawa?

It’s always a good time to visit Ottawa, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Ottawa in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Ottawa rainy in January?

Ottawa is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Ottawa in January?

Usually, it’s not very sunny in Ottawa in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Canada

Check out the weather for other cities in Canada.

Monthly weather in Ottawa

Source of the data

For this page, we’ve looked at the typical weather in Ottawa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.