December 9 sees frequent showers in Juneau. Historical data shows a 66% chance of rain, so pack accordingly. Temperatures average 0°C. You'll enjoy Juneau with reasonable crowd levels and competitive accommodation options.
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Essential Travel Info for Juneau
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Juneau Weather Forecast for December 9
"Rainy & Overcast. Expect average highs of -0.3°C. 66% chance of snow."
What to Wear in Juneau in December
Based on historical data for December 9, Juneau typically experiences temperatures between -3.6°C and -0.3°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 66% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Juneau
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
-0.3°C
Daytime Peak
Average Low
-3.6°C
Nighttime Low
Feels Like
-4.2°C
🥶 Slightly colder
Snow Chance
66%
Avg 8.9mm if it snows
Snowfall
5.3 cm
~66% chance
Pressure
1007.3 hPa
High volatility
Juneau Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
❓ Expect variable conditions. Have flexible plans and pack for multiple weather scenarios.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
-3.2°C
Dry air
Heat Stress
Low
No heat warning
😣 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Moderate
55/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~32
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Juneau
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:34
☀️ Noon
11:51
🌇 Sunset
15:08
⏱️ Daylight
6h 34m
Wind Speed
12.3 km/h
Gentle breeze
Sunshine
0.9 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Juneau
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Juneau
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Low pressure & humidity may aggravate joints.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Juneau on December 9 averages -0.3°C with a 66% precipitation probability. Wedding/Outdoor Event Score: 0/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Juneau Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (December 9) in other destinations
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📍 Is Juneau Worth Visiting on December 9?
Planning a trip to Juneau on December 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging -0.3°C with a 66% historical precipitation risk.
✈️ Travel Logistics: Approximately 32 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest December 9 recorded in the last 30 years saw temperatures hit 6.5°C in 2017, while the coldest dropped to -19.2°C in 2016.