Juneau in December
2.1out of 10
Not the best time
Cold: highs around -2°C. Very wet: about 21 rainy days.
-2°CAvg high
-6°CAvg low
21Rainy days (276 mm)
6:06 hDaylight
08:51Sunrise · 14:57 Sunset
Why this score
- Cold: highs around -2°C
- Very wet: about 21 rainy days
- Nights fall to about -6°C
- Rain varies a lot between years (±5.1 days)
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in December varies a lot between years (±5.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -7°C | 248 mm | 20 | – | – | 2.1 |
| February | -1°C | -6°C | 188 mm | 16 | – | – | 2.4 |
| March | 1°C | -5°C | 182 mm | 18 | – | – | 2.4 |
| April | 5°C | -1°C | 141 mm | 17 | – | – | 3.6 |
| May | 11°C | 3°C | 136 mm | 16 | – | – | 4.9 |
| June | 15°C | 8°C | 135 mm | 18 | – | – | 5.3 |
| July | 16°C | 10°C | 178 mm | 19 | – | – | 5.2 |
| August | 16°C | 10°C | 235 mm | 20 | – | – | 5.2 |
| September | 13°C | 7°C | 332 mm | 21 | – | – | 4.6 |
| October | 6°C | 1°C | 329 mm | 23 | – | – | 3.5 |
| November | 0°C | -4°C | 261 mm | 21 | – | – | 2.2 |
| December | -2°C | -6°C | 276 mm | 21 | – | – | 2.1 |
Frequently asked questions
How hot is Juneau in December?
Daytime highs average -2°C and nights about -6°C.
When is the best time to visit Juneau?
The best months are June, July, August, May.