Fairfax
January
Weather in Fairfax for January 2026
Your guide to Fairfax weather in January - trends and predictions
With an average of 3 snowy days, Fairfax usually enjoys a light touch of snow in January.
In general, the average temperature in Fairfax at the beginning of January is 2.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.1 °F by the end of January.
With an average of 5 rainy days, Fairfax experiences minimal rainfall in January.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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23
Dry days
5
Rainy days
3
Snow days
3°/-2°
Temperatures
17 km/h
Avg max wind
69 %
Avg humidity
Fairfax Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  10° | 2  5° | 3  4° | ||||
| 4 0° | 5 0° | 6  -1° | 7  -1° | 8 -2° | 9 1° | 10 0° |
| 11 4° | 12 4° | 13 6° | 14  0° | 15 0° | 16 -2° | 17 4° |
| 18  3° | 19 4° | 20 -2° | 21 -6° | 22 -2° | 23 1° | 24  4° |
| 25 8° | 26  11° | 27 8° | 28  6° | 29 8° | 30 7° | 31 9° |
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Temperatures trend during January in Fairfax
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 |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 10° /4° | 0 mm | 0 cm | |
| Jan. 2 | Partly cloudy | 5° /0° | 0 mm | 0 cm | |
| Jan. 3 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Jan. 4 | Sunny | 0° /-3° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 6 | Moderate or heavy snow showers | -1° /-4° | 51.7 mm | 37.3 cm | |
| Jan. 7 | Light freezing rain | -1° /-7° | 0.7 mm | 0.5 cm | |
| Jan. 8 | Light freezing rain | -2° /-7° | 0 mm | 0 cm | |
| Jan. 9 | Sunny | 1° /-5° | 0 mm | 0 cm | |
| Jan. 10 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 11 | Overcast | 4° /-2° | 8.4 mm | 6.1 cm | |
| Jan. 12 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 13 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Jan. 14 | Cloudy | 0° /-4° | 0 mm | 0 cm | |
| Jan. 15 | Sunny | 0° /-6° | 0 mm | 0 cm | |
| Jan. 16 | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| Jan. 17 | Sunny | 4° /-1° | 0 mm | 0 cm | |
| Jan. 18 | Mist | 3° /0° | 0 mm | 0 cm | |
| Jan. 19 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Jan. 20 | Sunny | -2° /-8° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | -6° /-10° | 0 mm | 0 cm | |
| Jan. 22 | Mist | -2° /-11° | 0 mm | 0 cm | |
| Jan. 23 | Mist | 1° /-6° | 0 mm | 0 cm | |
| Jan. 24 | Light drizzle | 4° /-2° | 0.6 mm | 0 cm | |
| Jan. 25 | Light rain | 8° /1° | 2.9 mm | 0 cm | |
| Jan. 26 | Light rain shower | 11° /6° | 3 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 8° /3° | 4.7 mm | 0 cm | |
| Jan. 28 | Moderate rain | 6° /2° | 16.5 mm | 0 cm | |
| Jan. 29 | Patchy rain possible | 8° /2° | 0.1 mm | 0 cm | |
| Jan. 30 | Overcast | 7° /1° | 0 mm | 0 cm | |
| Jan. 31 | Patchy rain possible | 9° /3° | 24.9 mm | 0 cm | |
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Important Notice
Our weather forecast for Fairfax 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 Fairfax forecast closer to your planned date for the most up-to-date weather information.
Fairfax in January - FAQ
What are the expected maximum and minimum temperatures in Fairfax during January?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Fairfax during January?
Significant rainfall exceeding 113.5 mm is expected in Fairfax during January, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Fairfax in January 2026?
Fairfax experiences an average snowfall of 43.86 cm during January, occurring over 3 days.
What are the typical wind conditions in Fairfax during January?
The average wind speed in Fairfax during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Fairfax snow forecast January 2026
Track daily snowfall levels and discover Fairfax’s snowy potential this January ❄️
January rainfall patterns in Fairfax
Explore the daily rainfall trends and prepare for Fairfaxs January weather 💧
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