Planning a trip to Ontario in January? You are in luck! The weather is generally good, with an average maximum temperature of +19°C and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 9 rainy days and 85 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+19°C
Avg. max. temperature
-4°C
Min.
+31°C
Max.
85 mm
Total precipitation
61%
Avg. humidity
1 m/s
Avg. wind
8 ☀️
Sunny Days
14 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Ontario has good weather in January.
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Average temperature in Ontario in January
Here are the expected maximum, average and minimum temperatures in Ontario for January based on the historical data.
Last Year
Historical Data
Going from a maximum of +21°C during the day to a minimum of +4°C during the night, the temperature in January averages around +16°C.
The average maximum temperature goes up 18% by the end of the month, compared with the beginning of the month, from +14°C to +17°C.
Is Ontario warm or cold in January?
Ontario is typically mild in January.
Maximum temperatures go up compared to the previous month from +18°C to +19°C. The minimum temperature also goes up from +8°C to +8°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is one of the coolest months in Ontario, here is the comparison with other months:
Climate in Ontario in January
Ontario weather looks like this, on average, in January and the surrounding months.
December
January
February
Avg. temperature
+18°C
+19°C
+19°C
Min. temperature
-3°C
-4°C
-1°C
Max. temperature
+30°C
+31°C
+31°C
Rainfall
78 mm
85 mm
99 mm
Wind
1 m/s
1 m/s
1 m/s
Humidity
58%
61%
63%
Air pressure
1017 HPa
1017 HPa
1016 HPa
Sunny days
9
8
7
Cloudy days
14
14
12
Rainy days
8
9
9
Snowy days
0
0
0
January weather is still as good as in December.It’s getting warmer as January arrives. The average maximum temperature goes up from +18°C to +19°C during the day.Prepare for more rain. Average rainfall goes from 78 mm to 85 mm.Humidity rises from 58% to 61%.The average wind speed doesn’t change much during January, staying around 1 m/s.The days becoming less sunny, going from 9 sunny days in December to 8 in January.
February brings much the same weather, it remains good.
Wind speed in Ontario in January based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 11 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ontario is gradually increasing during January, going from 4 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during January in Ontario based on historical data.
Last Year
Historical Data
Typically, there is a 52% chance of rain on an average day in January, with total rainfall of approximately 257 mm. The maximum amount of rainfall per day is around 55 mm, which is considered heavy rain.January is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
January is one of the rainiest months in Ontario, here is a comparison with other months, total mm:
Ontario wettest month is February, where a typical day has a 32% chance of precipitation and 99 mm of rainfall per day. June, on the other hand, is the driest month with a mere 3% chance of precipitation and 2 mm of rainfall per day.
How was the weather last January in Ontario?
This is the weather in Ontario in January 2024:
1 January
🌫️
+14°C
2 January
☀️
+13°C
3 January
🌫️
+13°C
4 January
🌫️
+16°C
5 January
🌫️
+15°C
6 January
🌫️
+16°C
7 January
☁️
+19°C
8 January
☁️
+18°C
9 January
☁️
+18°C
10 January
🌫️
+14°C
11 January
☁️
+15°C
12 January
☁️
+21°C
13 January
☁️
+19°C
14 January
☁️
+17°C
15 January
🌫️
+13°C
16 January
🌫️
+14°C
17 January
🌧️
+13°C
18 January
☀️
+14°C
19 January
☁️
+14°C
20 January
☀️
+14°C
21 January
☀️
+17°C
22 January
☀️
+17°C
23 January
☀️
+16°C
24 January
☀️
+19°C
25 January
☀️
+21°C
26 January
☀️
+19°C
27 January
☀️
+20°C
28 January
☀️
+19°C
29 January
☁️
+17°C
30 January
🌧️
+14°C
31 January
☀️
+17°C
In January 2024 Ontario had 12 sunny days, 9 cloudy days, and 2 rainy days. The average maximum temperature was +16°C, with an absolute maximum of +21°C and a minimum of +13°C. The average humidity was 67%, with a maximum of 97% and a minimum of 18%. The average wind speed was 3 m/s, with a maximum of 19 m/s and a minimum of 0 m/s.
Are you planning a trip in January?
Climate Change over Years
This is how Ontario climate have been changing during last 43 years period.
The climate in Ontario in January has not changed much over the last 43 years.
The average temperature was the lowest in 1998 (+23°C) and the highest in 2014 (+28°C). The driest year was 1989 with only 153 mm of rainfall, and the wettest year was 2022 with 1158 mm.
FAQ
Frequently asked questions about the weather in Ontario in January:
Is January a good time to visit Ontario?
January is a really good time to go to Ontario. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Ontario.
Can you sunbathe in Ontario in January?
January has mild temperatures in Ontario. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Ontario rainy in January?
Ontario is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Ontario in January?
Usually, it’s not very sunny in Ontario in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Ontario, 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.
