Weather in Juneau City and Borough, Alaska for December 2025
Juneau City and Borough is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Juneau City and Borough snow forecast for December 2025, 7 snowy days are expected in the next 2 weeks. The closest date with snow is Saturday, December 13.Until now, December 2025 in Juneau City and Borough is cooler than usual, with temperatures averaging -7 °F, this is -4.5 °F below the typical seasonal average.
An exceptional deviation from the historical average is forecasted for next days of December 2025 in Juneau City and Borough with the forecasted temperature being -18.2 °F, much lower than usual.
In general, the average temperature in Juneau City and Borough at the beginning of December is -0.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.6 °F by the end of December.
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Juneau City and Borough Weather December
Temperatures trend during December in Juneau City and Borough
December weather in Juneau City and Borough day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Heavy snow | -3° /-8° | 22.3 mm | 14.7 cm | |
| Dec. 2 |  Patchy light snow | -2° /-6° | 18 mm | 8.7 cm | |
| Dec. 3 |  Moderate snow | 0° /-3° | 17.6 mm | 3.5 cm | |
| Dec. 4 | Heavy snow | 1° /-1° | 15.1 mm | 5.2 cm | |
| Dec. 5 |  Moderate or heavy snow with thunder | 2° /-2° | 28 mm | 12.6 cm | |
| Dec. 6 |  Moderate or heavy snow showers | 2° /-1° | 24.6 mm | 12.5 cm | |
| Dec. 7 | Moderate or heavy snow showers | -2° /-7° | 9.4 mm | 7.3 cm | |
| Dec. 8 | Moderate or heavy snow with thunder | -5° /-10° | 10.5 mm | 8.8 cm | |
| Dec. 9 | Heavy snow | -7° /-12° | 6.5 mm | 5.5 cm | |
| Dec. 10 | Moderate or heavy snow showers | -7° /-11° | 5 mm | 2.3 cm | |
| Dec. 11 | Heavy snow | -6° /-10° | 9.9 mm | 6.2 cm | |
| Dec. 12 | Heavy snow | 0° /-2° | 35.8 mm | 29.6 cm | |
| Dec. 13 | Heavy snow | -15° /-20° | 5.1 mm | 3.7 cm | |
| Dec. 14 | Heavy snow | -14° /-16° | 16.2 mm | 11.7 cm | |
| Dec. 15 | Heavy snow | -14° /-16° | 16.3 mm | 11.8 cm | |
| Dec. 16 | Light snow | -16° /-19° | 2.1 mm | 1.4 cm | |
| Dec. 17 | Moderate snow | -17° /-18° | 2.7 mm | 1.9 cm | |
| Dec. 18 | Heavy snow | -19° /-21° | 1.6 mm | 1.2 cm | |
| Dec. 19 |  Light freezing rain | -21° /-23° | 0.2 mm | 0.1 cm | |
| Dec. 20 |  Sunny | -23° /-27° | 0 mm | 0 cm | |
| Dec. 21 |  Overcast | -17° /-25° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | -21° /-24° | 0 mm | 0 cm | |
| Dec. 23 | Sunny | -25° /-27° | 0 mm | 0 cm | |
| Dec. 24 | Sunny | -22° /-25° | 0 mm | 0 cm | |
| Dec. 25 | Sunny | -13° /-21° | 0 mm | 0 cm | |
| Dec. 26 | Moderate or heavy snow showers | 0° /-6° | 16.4 mm | 13 cm | |
| Dec. 27 | Overcast | -4° /-8° | 1 mm | 0.7 cm | |
| Dec. 28 | Heavy snow | -2° /-7° | 8.2 mm | 6 cm | |
| Dec. 29 | Heavy snow | -3° /-7° | 10.1 mm | 2.1 cm | |
| Dec. 30 | Light freezing rain | -4° /-7° | 13.5 mm | 0 cm | |
| Dec. 31 | Light snow | -6° /-10° | 0.5 mm | 0.4 cm | |
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Juneau City and Borough in December - FAQ
Juneau City and Borough snow forecast December 2025
December rainfall patterns in Juneau City and Borough
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Where is Juneau City and Borough?Get accurate weather forecasts for Juneau City and Borough, located at latitude 58.302 and longitude -134.42. Stay updated with localized weather information tailored for Juneau City and Borough.