Ontario
January
Weather in Ontario for January 2026
Your guide to Ontario weather in January - trends and predictions
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.
With an average of 4 rainy days, Ontario experiences minimal rainfall in January.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
16°/7°
Temperatures
9 km/h
Avg max wind
50 %
Avg humidity
Ontario Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  18° | 2  20° | 3  15° | ||||
| 4 16° | 5 17° | 6  17° | 7 13° | 8  14° | 9 17° | 10 16° |
| 11 15° | 12 15° | 13 14° | 14 15° | 15 17° | 16 19° | 17 13° |
| 18 17° | 19 18° | 20 15° | 21 12° | 22 16° | 23 16° | 24 18° |
| 25 14° | 26 13° | 27 16° | 28 16° | 29 16° | 30 17° | 31 18° |
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Jan. 2 | Overcast | 20° /8° | 0 mm | 5 | |
| Jan. 3 | Light rain shower | 15° /7° | 4.5 mm | 4 | |
| Jan. 4 | Overcast | 16° /3° | 0 mm | 4 | |
| Jan. 5 | Partly cloudy | 17° /9° | 0 mm | 5 | |
| Jan. 6 | Sunny | 17° /10° | 0 mm | 5 | |
| Jan. 7 | Patchy rain possible | 13° /5° | 1 mm | 3 | |
| Jan. 8 | Cloudy | 14° /6° | 0.2 mm | 4 | |
| Jan. 9 | Sunny | 17° /6° | 0 mm | 5 | |
| Jan. 10 | Sunny | 16° /5° | 0 mm | 5 | |
| Jan. 11 | Patchy rain possible | 15° /3° | 0 mm | 4 | |
| Jan. 12 | Sunny | 15° /4° | 0 mm | 5 | |
| Jan. 13 | Sunny | 14° /7° | 0 mm | 4 | |
| Jan. 14 | Sunny | 15° /6° | 0 mm | 5 | |
| Jan. 15 | Cloudy | 17° /9° | 0 mm | 5 | |
| Jan. 16 | Sunny | 19° /7° | 0 mm | 5 | |
| Jan. 17 | Partly cloudy | 13° /4° | 0 mm | 4 | |
| Jan. 18 | Sunny | 17° /6° | 0 mm | 5 | |
| Jan. 19 | Overcast | 18° /9° | 0 mm | 5 | |
| Jan. 20 | Light rain shower | 15° /6° | 2.2 mm | 4 | |
| Jan. 21 | Light rain shower | 12° /6° | 5.6 mm | 3 | |
| Jan. 22 | Light rain shower | 16° /9° | 14.1 mm | 4 | |
| Jan. 23 | Patchy rain possible | 16° /7° | 0 mm | 4 | |
| Jan. 24 | Overcast | 18° /7° | 0 mm | 5 | |
| Jan. 25 | Patchy rain possible | 14° /6° | 0 mm | 4 | |
| Jan. 26 | Sunny | 13° /5° | 10.4 mm | 4 | |
| Jan. 27 | Sunny | 16° /8° | 9.8 mm | 4 | |
| Jan. 28 | Overcast | 16° /7° | 0 mm | 4 | |
| Jan. 29 | Overcast | 16° /6° | 0 mm | 4 | |
| Jan. 30 | Overcast | 17° /7° | 0 mm | 4 | |
| Jan. 31 | 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?
Moderate rainfall is anticipated in Ontario during January, with a total of 53.5 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ontario during January?
The average wind speed in Ontario during January is 9 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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