Suffolk County (Boston)
January
Weather in Suffolk County for January 2026
Your guide to Suffolk County weather in January - trends and predictions
Suffolk County typically experiences moderate snowfall in January, with an average of 9 snowy days.
In general, the average temperature in Suffolk County at the beginning of January is 5 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 1.9 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
5
Dry days
17
Rainy days
9
Snow days
3°/-2°
Temperatures
20 km/h
Avg max wind
68 %
Avg humidity
Suffolk County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  8° | 3  5° | ||||
| 4  4° | 5 4° | 6  3° | 7 3° | 8  2° | 9 3° | 10 6° |
| 11 1° | 12  5° | 13 8° | 14 3° | 15 1° | 16 2° | 17 4° |
| 18 4° | 19 4° | 20 1° | 21 -2° | 22 1° | 23 2° | 24 1° |
| 25 3° | 26  4° | 27 2° | 28  3° | 29  0° | 30 -0° | 31 1° |
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Temperatures trend during January in Suffolk County
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 | Cloudy | 8° /2° | 7.8 mm | 0 cm | |
| Jan. 2 | Moderate rain at times | 8° /1° | 3.2 mm | 0 cm | |
| Jan. 3 | Overcast | 5° /-1° | 3.2 mm | 0 cm | |
| Jan. 4 | Patchy rain possible | 4° /-1° | 1.7 mm | 0 cm | |
| Jan. 5 | Patchy rain possible | 4° /-1° | 2 mm | 0 cm | |
| Jan. 6 | Light snow | 3° /-2° | 1.4 mm | 0 cm | |
| Jan. 7 | Overcast | 3° /-3° | 9.2 mm | 2.3 cm | |
| Jan. 8 | Sunny | 2° /-4° | 0 mm | 0 cm | |
| Jan. 9 | Cloudy | 3° /-5° | 2.8 mm | 0 cm | |
| Jan. 10 | Sunny | 6° /-2° | 9.4 mm | 0 cm | |
| Jan. 11 | Overcast | 1° /-4° | 2.8 mm | 2 cm | |
| Jan. 12 | Partly cloudy | 5° /-3° | 1 mm | 0 cm | |
| Jan. 13 | Cloudy | 8° /0° | 8.7 mm | 0 cm | |
| Jan. 14 | Patchy rain possible | 3° /-2° | 0.8 mm | 0 cm | |
| Jan. 15 | Partly cloudy | 1° /-4° | 2.3 mm | 0.1 cm | |
| Jan. 16 | Partly cloudy | 2° /-4° | 8.8 mm | 0.7 cm | |
| Jan. 17 | Overcast | 4° /-2° | 3.9 mm | 0 cm | |
| Jan. 18 | Overcast | 4° /-3° | 2.5 mm | 0 cm | |
| Jan. 19 | Partly cloudy | 4° /-3° | 3.1 mm | 0.4 cm | |
| Jan. 20 | Overcast | 1° /-5° | 9.6 mm | 3.5 cm | |
| Jan. 21 | Overcast | -2° /-7° | 0 mm | 0 cm | |
| Jan. 22 | Patchy rain possible | 1° /-6° | 1.5 mm | 0 cm | |
| Jan. 23 | Overcast | 2° /-4° | 5.5 mm | 0 cm | |
| Jan. 24 | Overcast | 1° /-4° | 1.2 mm | 0.3 cm | |
| Jan. 25 | Cloudy | 3° /-3° | 3.3 mm | 0.1 cm | |
| Jan. 26 | Patchy moderate snow | 4° /-3° | 7.1 mm | 0.2 cm | |
| Jan. 27 | Sunny | 2° /-4° | 0.8 mm | 0 cm | |
| Jan. 28 | Light freezing rain | 3° /-3° | 3.9 mm | 0 cm | |
| Jan. 29 | Moderate or heavy snow showers | 0° /-6° | 8.4 mm | 5.7 cm | |
| Jan. 30 | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 1° /-8° | 4.6 mm | 0.1 cm | |
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Important Notice
Our weather forecast for Suffolk County 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 Suffolk County forecast closer to your planned date for the most up-to-date weather information.
Suffolk County in January - FAQ
What are the expected maximum and minimum temperatures in Suffolk County 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 Suffolk County during January?
Significant rainfall exceeding 124.6 mm is expected in Suffolk County during January, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Suffolk County in January 2026?
Suffolk County experiences an average snowfall of 13.0125 cm during January, occurring over 9 days.
What are the typical wind conditions in Suffolk County during January?
The average wind speed in Suffolk County during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Suffolk County snow forecast January 2026
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January rainfall patterns in Suffolk County
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Where is Suffolk County?Get accurate weather forecasts for Suffolk County, located at latitude 42.358 and longitude -71.06. Stay updated with localized weather information tailored for Suffolk County.
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