Sarnia
January
Weather in Sarnia for January 2025
Your guide to Sarnia weather in January - trends and predictions
In general, the average temperature in Sarnia at the beginning of January is 1.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.1 °C by the end of January.
Sarnia sees moderate rainfall in January, averaging 9 rainy days.
The climate of Sarnia in January is quite snowy, averaging 11 snowy days.
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11
Dry days
9
Rainy days
11
Snow days
2°/-5°
Temperatures
26 km/h
Avg max wind
83 %
Avg humidity
Sarnia in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  2° | 2  3° | 3 2° | 4  0° | 5  1° | ||
| 6 2° | 7  1° | 8 2° | 9  5° | 10 4° | 11 3° | 12  4° |
| 13  2° | 14  -2° | 15  -4° | 16 -4° | 17 -1° | 18 -1° | 19  0° |
| 20 -1° | 21 -1° | 22 0° | 23 2° | 24 2° | 25  1° | 26 1° |
| 27 1° | 28 1° | 29 1° | 30 -1° | 31 -3° |
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Temperatures trend during January in Sarnia
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Light snow showers | 2° /0° | 0.7 mm | 0.6 cm | |
| 2 Jan. | Overcast | 3° /-1° | 0 mm | 0 cm | |
| 3 Jan. | Light snow showers | 2° /0° | 0.4 mm | 0.2 cm | |
| 4 Jan. | Patchy light snow | 0° /-3° | 0.1 mm | 0 cm | |
| 5 Jan. | Partly cloudy | 1° /-3° | 0 mm | 0 cm | |
| 6 Jan. | Light snow | 2° /-1° | 0.3 mm | 0.2 cm | |
| 7 Jan. | Moderate snow | 1° /-2° | 0.9 mm | 0.7 cm | |
| 8 Jan. | Overcast | 2° /0° | 0 mm | 0 cm | |
| 9 Jan. | Heavy snow | 5° /0° | 19.7 mm | 2.6 cm | |
| 10 Jan. | Heavy snow | 4° /0° | 3.2 mm | 1.5 cm | |
| 11 Jan. | Overcast | 3° /0° | 0.9 mm | 0.7 cm | |
| 12 Jan. | Patchy rain possible | 4° /0° | 9 mm | 0 cm | |
| 13 Jan. | Light freezing rain | 2° /-4° | 4.4 mm | 0 cm | |
| 14 Jan. | Sunny | -2° /-8° | 1 mm | 0 cm | |
| 15 Jan. | Cloudy | -4° /-9° | 0.1 mm | 0 cm | |
| 16 Jan. | Overcast | -4° /-8° | 1.1 mm | 0.2 cm | |
| 17 Jan. | Patchy rain possible | -1° /-7° | 2.9 mm | 0.1 cm | |
| 18 Jan. | Overcast | -1° /-4° | 0.1 mm | 0.1 cm | |
| 19 Jan. | Moderate or heavy rain shower | 0° /-5° | 8.4 mm | 1.6 cm | |
| 20 Jan. | Light freezing rain | -1° /-6° | 1.8 mm | 0 cm | |
| 21 Jan. | Overcast | -1° /-7° | 0 mm | 0 cm | |
| 22 Jan. | Patchy moderate snow | 0° /-4° | 2 mm | 0.5 cm | |
| 23 Jan. | Light freezing rain | 2° /-2° | 8.1 mm | 1 cm | |
| 24 Jan. | Overcast | 2° /0° | 3.5 mm | 0 cm | |
| 25 Jan. | Moderate or heavy snow showers | 1° /-1° | 17.1 mm | 4.3 cm | |
| 26 Jan. | Light freezing rain | 1° /-2° | 7.9 mm | 0 cm | |
| 27 Jan. | Light freezing rain | 1° /-3° | 1.2 mm | 0.3 cm | |
| 28 Jan. | Light freezing rain | 1° /-2° | 1.9 mm | 0 cm | |
| 29 Jan. | Light freezing rain | 1° /-2° | 1.3 mm | 0.1 cm | |
| 30 Jan. | Light freezing rain | -1° /-6° | 1.8 mm | 0.8 cm | |
| 31 Jan. | Overcast | -3° /-8° | 0.2 mm | 0.2 cm | |
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Important Notice
Our weather forecast for Sarnia 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 Sarnia forecast closer to your planned date for the most up-to-date weather information.
Sarnia in January - FAQ
What are the expected maximum and minimum temperatures in Sarnia during January?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Sarnia during January?
Significant rainfall exceeding 174.6 mm is expected in Sarnia during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Sarnia during January?
Sarnia experiences an average snowfall of 25.6 cm during January, occurring over 11 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Sarnia during January?
The average wind speed in Sarnia during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
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