30YearWeather
Juneau in December
Juneau weather in December - United States
🌧️Wet Season

Juneau Weather in December

Plan your December trip to Juneau, United States. Based on 30 years of NASA data, expect temperatures of -1°C (high) to -5°C (low), with 61% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
-1°C

Hottest around day 5

Avg Low
-5°C

Coolest around day 18

Rainy Days
31days

61% avg rain chance

Sunshine
8hrs/day

Winter season

Juneau December Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Juneau

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic
23/ 100
Traffic Index

Quieter airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Oct

Monthly Traffic Distribution

37
Jan
22
Feb
23
Mar
25
Apr
23
May
12
Jun
12
Jul
58
Aug
15
Sep
5
Oct
11
Nov
32
Dec
Traffic Level
Low Season

Key Connections

Seattle Tacoma (SEA)
Haines (HNS)
Anchorage Ted Stevens (ANC)
Hoonah (HNH)
Sitka Rocky Gutierrez (SIT)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Juneau?

👌Worthwhile timing with some trade-offs
Short Answer

December falls in Juneau's wet season: 61% rain probability with average 8mm rainfall. Pack waterproofs and plan flexible indoor alternatives.

Decision Factors

Freezing temperatures

-1.1°C highs - pack warm winter gear

High rainfall period

61% rain probability, 7.5mm average

Shoulder season - balanced conditions

55% of peak - good value with moderate crowds

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 👴
    Elderly travelers

    79% humidity creates difficult conditions

  • 🥾
    Outdoor enthusiasts

    61% rain probability disrupts outdoor activities

  • 📸
    Photographers

    80% cloud cover limits natural light opportunities

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Juneau in December averages -1°C with 61% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Juneau in December

What are the temperatures in Juneau in December?

Daytime highs average -1°C, nights drop to -5°C. Temperatures remain fairly consistent.

How many rainy days in Juneau in December?

Expect around 31 days with measurable rainfall. Definitely pack rain gear.

What to wear in Juneau in December?

Warm winter clothing: insulated jacket, boots, gloves.

Is December peak season in Juneau?

This is off-peak season. Expect lower prices and fewer crowds.