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Weather in Ontario for January 2026

Your guide to Ontario weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Ontario at the beginning of January is 16.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 15.7 °F by the end of January.

    • Rain 🌧️

  • Ontario experiences moderate rainfall in January, with an average of 7 rainy days and a total precipitation of 47.9 mm.

    • More

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/7°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
44 %
Avg humidity

Ontario Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
18°
2
Overcast
20°
3
Light rain shower
15°
4
Overcast
16°
5
Partly cloudy
17°
6
Sunny
17°
7
Patchy rain possible
13°
8
Cloudy
14°
9
Sunny
17°
10
Sunny
16°
11
Patchy rain possible
15°
12
Sunny
15°
13
Sunny
14°
14
Sunny
15°
15
Cloudy
17°
16
Sunny
19°
17
Partly cloudy
13°
18
Sunny
17°
19
Overcast
18°
20
Light rain shower
15°
21
Light rain shower
12°
22
Light rain shower
16°
23
Patchy rain possible
16°
24
Overcast
18°
25
Patchy rain possible
14°
26
Sunny
13°
27
Sunny
16°
28
Overcast
16°
29
Overcast
16°
30
Overcast
17°
31
Partly cloudy
18°
Select a date

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Access Ontario weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during January in Ontario

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Partly cloudy
Partly cloudy
 18° /8° 0 mm 5
Jan. 2 Overcast
Overcast
 20° /8° 0 mm 5
Jan. 3 Light rain shower
Light rain shower
 15° /7° 4.5 mm 4
Jan. 4 Overcast
Overcast
 16° /3° 0 mm 4
Jan. 5 Partly cloudy
Partly cloudy
 17° /9° 0 mm 5
Jan. 6 Sunny
Sunny
 17° /10° 0 mm 5
Jan. 7 Patchy rain possible
Patchy rain possible
 13° /5° 1 mm 3
Jan. 8 Cloudy
Cloudy
 14° /6° 0.2 mm 4
Jan. 9 Sunny
Sunny
 17° /6° 0 mm 5
Jan. 10 Sunny
Sunny
 16° /5° 0 mm 5
Jan. 11 Patchy rain possible
Patchy rain possible
 15° /3° 0 mm 4
Jan. 12 Sunny
Sunny
 15° /4° 0 mm 5
Jan. 13 Sunny
Sunny
 14° /7° 0 mm 4
Jan. 14 Sunny
Sunny
 15° /6° 0 mm 5
Jan. 15 Cloudy
Cloudy
 17° /9° 0 mm 5
Jan. 16 Sunny
Sunny
 19° /7° 0 mm 5
Jan. 17 Partly cloudy
Partly cloudy
 13° /4° 0 mm 4
Jan. 18 Sunny
Sunny
 17° /6° 0 mm 5
Jan. 19 Overcast
Overcast
 18° /9° 0 mm 5
Jan. 20 Light rain shower
Light rain shower
 15° /6° 2.2 mm 4
Jan. 21 Light rain shower
Light rain shower
 12° /6° 5.6 mm 3
Jan. 22 Light rain shower
Light rain shower
 16° /9° 14.1 mm 4
Jan. 23 Patchy rain possible
Patchy rain possible
 16° /7° 0 mm 4
Jan. 24 Overcast
Overcast
 18° /7° 0 mm 5
Jan. 25 Patchy rain possible
Patchy rain possible
 14° /6° 0 mm 4
Jan. 26 Sunny
Sunny
 13° /5° 10.4 mm 4
Jan. 27 Sunny
Sunny
 16° /8° 9.8 mm 4
Jan. 28 Overcast
Overcast
 16° /7° 0 mm 4
Jan. 29 Overcast
Overcast
 16° /6° 0 mm 4
Jan. 30 Overcast
Overcast
 17° /7° 0 mm 4
Jan. 31 Partly cloudy
Partly cloudy
 18° /7° 0 mm 5
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Important Notice
Our weather forecast for Ontario in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ontario forecast closer to your planned date for the most up-to-date weather information.

Ontario in January - FAQ

What are the expected maximum and minimum temperatures in Ontario during January?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ontario during January?
In January, Ontario can expect light to moderate rainfall, totaling 47.9 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Ontario during January?
The average wind speed in Ontario during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Ontario

Explore the daily rainfall trends and prepare for Ontarios January weather 💧

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Location coordinates Where is Ontario?

Get accurate weather forecasts for Ontario, located at latitude 34.063 and longitude -117.651. Stay updated with localized weather information tailored for Ontario.

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