May 12 sees frequent showers in Juneau. Historical data shows a 46% chance of rain, so pack accordingly. Temperatures average 10°C. Moderate travel demand makes this an excellent time for a balanced Juneau experience.
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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 May 12
"Mild & Comfortable. Expect average highs of 10.1°C. 46% chance of snow."
What to Wear in Juneau in May
Based on historical data for May 12, Juneau typically experiences temperatures between 3.6°C and 10.1°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 46% 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
10.1°C
Daytime Peak
Average Low
3.6°C
Nighttime Low
Feels Like
9.2°C
❄️ Feels accurate
Snow Chance
46%
Avg 3.8mm if it snows
Snowfall
0.6 cm
~46% chance
Pressure
1016.5 hPa
Medium volatility
Juneau Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 28 min to burn
Type III-IV
🟡 42 min to burn
Type V-VI
🟢 70 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.8°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Moderate
40/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~23
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Juneau
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
03:38
☀️ Noon
11:55
🌇 Sunset
20:11
⏱️ Daylight
16h 33m
Wind Speed
8.9 km/h
Light breeze
Sunshine
8.8 hrs
Direct Sun (Cloud-free)
Humidity
80%
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
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
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 May 12 averages 10.1°C with a 46% precipitation probability. Wedding/Outdoor Event Score: 56/100."
— 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
Better Alternatives Nearby
Consider these dates within ±7 days
May 18
11.8°C • 34% rain
Score
71
May 19
11.9°C • 36% rain
Score
71
May 17
11.4°C • 33% rain
Score
69
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 12) in other destinations
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📍 Is Juneau Worth Visiting on May 12?
Planning a trip to Juneau on May 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 10.1°C with a 46% historical precipitation risk.
✈️ Travel Logistics: Approximately 23 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest May 12 recorded in the last 30 years saw temperatures hit 17.6°C in 2020, while the coldest dropped to 1.3°C in 2022.