Juneau
January
Weather in Juneau for January 2026
Your guide to Juneau weather in January - trends and predictions
Expect heavy snowfall in Juneau during January, with an average of 20 snowy days.
In general, the average temperature in Juneau at the beginning of January is -4.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of -1.1 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
9
Dry days
2
Rainy days
20
Snow days
-5°/-10°
Temperatures
12 km/h
Avg max wind
88 %
Avg humidity
Juneau Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  -7° | 2  -6° | 3 -6° | ||||
| 4  -6° | 5 -1° | 6  -3° | 7  -2° | 8 -1° | 9 -3° | 10 -7° |
| 11 -10° | 12 -9° | 13 -6° | 14 -2° | 15 -2° | 16 -3° | 17 -8° |
| 18 -7° | 19 -8° | 20 -4° | 21 -5° | 22 -3° | 23 -1° | 24 -0° |
| 25 0° | 26 -0° | 27  1° | 28  1° | 29  0° | 30  -3° | 31 -7° |
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Temperatures trend during January in Juneau
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 | Heavy snow | -7° /-12° | 0.8 mm | 0.7 cm | |
| Jan. 2 | Moderate snow | -6° /-11° | 1.3 mm | 1 cm | |
| Jan. 3 | Heavy snow | -6° /-10° | 9.9 mm | 8.3 cm | |
| Jan. 4 | Moderate or heavy snow with thunder | -6° /-11° | 15.8 mm | 13.4 cm | |
| Jan. 5 | Heavy snow | -1° /-12° | 8.5 mm | 6.6 cm | |
| Jan. 6 | Sunny | -3° /-7° | 8.1 mm | 1.4 cm | |
| Jan. 7 | Overcast | -2° /-6° | 11.7 mm | 6.5 cm | |
| Jan. 8 | Heavy snow | -1° /-5° | 3.2 mm | 1.7 cm | |
| Jan. 9 | Overcast | -3° /-9° | 20.2 mm | 13.7 cm | |
| Jan. 10 | Sunny | -7° /-11° | 11.2 mm | 7.6 cm | |
| Jan. 11 | Sunny | -10° /-13° | 7.4 mm | 5.3 cm | |
| Jan. 12 | Sunny | -9° /-13° | 3.8 mm | 2.8 cm | |
| Jan. 13 | Heavy snow | -6° /-9° | 15.4 mm | 11.7 cm | |
| Jan. 14 | Heavy snow | -2° /-8° | 16.7 mm | 10.5 cm | |
| Jan. 15 | Heavy snow | -2° /-6° | 28.1 mm | 22.6 cm | |
| Jan. 16 | Sunny | -3° /-11° | 1.1 mm | 0.8 cm | |
| Jan. 17 | Overcast | -8° /-12° | 0.3 mm | 0.2 cm | |
| Jan. 18 | Overcast | -7° /-13° | 0.5 mm | 0.3 cm | |
| Jan. 19 | Overcast | -8° /-13° | 2.2 mm | 1.6 cm | |
| Jan. 20 | Heavy snow | -4° /-11° | 13.8 mm | 10.1 cm | |
| Jan. 21 | Heavy snow | -5° /-9° | 7.9 mm | 6.5 cm | |
| Jan. 22 | Heavy snow | -3° /-9° | 17 mm | 13.8 cm | |
| Jan. 23 | Heavy snow | -1° /-4° | 22 mm | 17.5 cm | |
| Jan. 24 | Moderate snow | 0° /-2° | 4.6 mm | 3.7 cm | |
| Jan. 25 | Moderate snow | 0° /-3° | 1 mm | 0.8 cm | |
| Jan. 26 | Heavy snow | 0° /-3° | 10.3 mm | 6.8 cm | |
| Jan. 27 | Light sleet showers | 1° /-2° | 22.1 mm | 11.2 cm | |
| Jan. 28 | Light sleet | 1° /-1° | 27.8 mm | 8.1 cm | |
| Jan. 29 | Moderate rain | 0° /-6° | 35.8 mm | 4.8 cm | |
| Jan. 30 | Moderate or heavy snow showers | -3° /-7° | 31.9 mm | 21.9 cm | |
| Jan. 31 | Heavy snow | -7° /-12° | 9.8 mm | 8.3 cm | |
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Important Notice
Our weather forecast for Juneau 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 Juneau forecast closer to your planned date for the most up-to-date weather information.
Juneau in January - FAQ
What are the expected maximum and minimum temperatures in Juneau during January?
Brace for cold days with temperatures not exceeding -5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Juneau during January?
Significant rainfall exceeding 388.1 mm is expected in Juneau during January, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Juneau in January 2026?
Juneau experiences an average snowfall of 228.57 cm during January, occurring over 20 days.
What are the typical wind conditions in Juneau during January?
The average wind speed in Juneau during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Juneau snow forecast January 2026
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January rainfall patterns in Juneau
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