Lewis and Clark County (Helena)
January
Weather in Lewis and Clark County, Montana for January 2027
Your guide to Lewis and Clark County weather in January - trends and predictions
With an average of 5 snowy days, Lewis and Clark County usually enjoys a light touch of snow in January.
Is January a good time to visit Lewis and Clark County? check out the best time to travel to Lewis and Clark County page.
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Snow Forecast ❄️
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25
Dry days
1
Rainy days
5
Snow days
0°/-9°
Temperatures
11 km/h
Avg max wind
72 %
Avg humidity
Lewis and Clark County Weather January
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Temperatures trend during January in Lewis and Clark County
See the weather trend as well as the moving average line
January weather in Lewis and Clark County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Light freezing rain | 2° /-5° | 0.2 mm | 0 cm | |
| Jan. 2 | Light freezing rain | 3° /-4° | 0.6 mm | 0 cm | |
| Jan. 3 |  Light snow | -1° /-5° | 3.3 mm | 1.8 cm | |
| Jan. 4 | Light snow | 4° /-6° | 1.5 mm | 0.6 cm | |
| Jan. 5 | Light freezing rain | 1° /-7° | 1.5 mm | 0 cm | |
| Jan. 6 | Light snow | -1° /-6° | 1.2 mm | 0.5 cm | |
| Jan. 7 |  Overcast | 0° /-7° | 0.2 mm | 0 cm | |
| Jan. 8 | Light snow | 0° /-10° | 2 mm | 0.8 cm | |
| Jan. 9 | Overcast | 0° /-8° | 0.8 mm | 0.5 cm | |
| Jan. 10 |  Patchy rain possible | 4° /-6° | 0.1 mm | 0 cm | |
| Jan. 11 | Light snow | 3° /-4° | 4.7 mm | 2.7 cm | |
| Jan. 12 | Light freezing rain | 3° /-3° | 1.6 mm | 1.1 cm | |
| Jan. 13 | Light freezing rain | 3° /-4° | 0.1 mm | 0 cm | |
| Jan. 14 |  Partly cloudy | 6° /-5° | 0 mm | 0 cm | |
| Jan. 15 |  Sunny | 3° /-6° | 0 mm | 0 cm | |
| Jan. 16 |  Cloudy | 2° /-7° | 0 mm | 0 cm | |
| Jan. 17 | Light freezing rain | 2° /-11° | 0.9 mm | 0.2 cm | |
| Jan. 18 | Light freezing rain | -3° /-13° | 0.2 mm | 0 cm | |
| Jan. 19 | Light freezing rain | -2° /-14° | 0.1 mm | 0 cm | |
| Jan. 20 | Sunny | -6° /-17° | 0 mm | 0 cm | |
| Jan. 21 | Light freezing rain | -2° /-12° | 0.1 mm | 0 cm | |
| Jan. 22 | Partly cloudy | -5° /-13° | 0.1 mm | 0 cm | |
| Jan. 23 | Overcast | -6° /-17° | 0 mm | 0 cm | |
| Jan. 24 | Light freezing rain | -7° /-15° | 2 mm | 0.6 cm | |
| Jan. 25 | Partly cloudy | -4° /-18° | 0 mm | 0 cm | |
| Jan. 26 | Overcast | -1° /-17° | 0 mm | 0 cm | |
| Jan. 27 | Sunny | 2° /-9° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | 1° /-10° | 0 mm | 0 cm | |
| Jan. 29 | Cloudy | 4° /-9° | 0 mm | 0 cm | |
| Jan. 30 | Cloudy | 4° /-7° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 6° /-4° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Lewis and Clark 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 Lewis and Clark County forecast closer to your planned date for the most up-to-date weather information.
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Lewis and Clark County in January - FAQ
What are the expected maximum and minimum temperatures in Lewis and Clark County during January?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Lewis and Clark County during January?
In January, Lewis and Clark County can expect light to moderate rainfall, totaling 21.1 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Lewis and Clark County in January 2027?
Lewis and Clark County experiences an average snowfall of 8.9 cm during January, occurring over 5 days.
What are the typical wind conditions in Lewis and Clark County during January?
The average wind speed in Lewis and Clark County during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Lewis and Clark County snow forecast January 2027
Track daily snowfall levels and discover Lewis and Clark County’s snowy potential this January ❄️
On average, Lewis and Clark County sees 5 snowy days during January, with approximately 8.9 cm of total snowfall.
January rainfall patterns in Lewis and Clark County
Explore the daily rainfall trends and prepare for Lewis and Clark Countys January weather 💧
Typically, Lewis and Clark County has 1 rainy days in January with a total of 21.1 mm of rainfall.
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