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

Juneau Weather in January

Plan your January trip to Juneau, United States. Based on 30 years of NASA data, expect temperatures of -1°C (high) to -5°C (low), with 59% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
-1°C

Hottest around day 22

Avg Low
-5°C

Coolest around day 7

Rainy Days
31days

59% avg rain chance

Sunshine
8hrs/day

Winter season

Juneau January Weather Calendar

Click any day to see detailed weather information

Day 1
rain
Rainy
-1°C53%
Day 2
rain
Rainy
-2°C52%
Day 3
rain
Rainy
-2°C50%
Day 4
rain
Rainy
-3°C50%
Day 5
rain
Rainy
-3°C52%
Day 6
rain
Rainy
-3°C54%
Day 7
rain
Rainy
-2°C54%
Day 8
rain
Rainy
-2°C54%
Day 9
rain
Rainy
-2°C53%
Day 10
rain
Rainy
-2°C55%
Day 11
rain
Rainy
-2°C59%
Day 12
thunderstorm
Stormy
-2°C62%
Day 13
thunderstorm
Stormy
-1°C65%
Day 14
thunderstorm
Stormy
-1°C65%
Day 15
rain
Rainy
-1°C60%
Day 16
rain
Rainy
-1°C57%
Day 17
rain
Rainy
-1°C56%
Day 18
rain
Rainy
-1°C55%
Day 19
rain
Rainy
-1°C55%
Day 20
rain
Rainy
0°C58%
Day 21
thunderstorm
Stormy
0°C62%
Day 22
thunderstorm
Stormy
0°C66%
Day 23
thunderstorm
Stormy
0°C66%
Day 24
thunderstorm
Stormy
0°C67%
Day 25
thunderstorm
Stormy
0°C68%
Day 26
thunderstorm
Stormy
-1°C65%
Day 27
thunderstorm
Stormy
-1°C64%
Day 28
thunderstorm
Stormy
-1°C65%
Day 29
thunderstorm
Stormy
-1°C63%
Day 30
thunderstorm
Stormy
-1°C61%
Day 31
rain
Rainy
-2°C54%

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 January a Good Time to Visit Juneau?

👌Worthwhile timing with some trade-offs
Short Answer

Monsoon conditions shape Juneau's January: expect 59% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

Freezing temperatures

-1.3°C highs - pack warm winter gear

Frequent rainfall expected

59% chance of rain - pack waterproofs

Shoulder season - balanced conditions

64% of peak - good value with moderate crowds

Good For

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    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

    78% humidity creates difficult conditions

  • 🥾
    Outdoor enthusiasts

    59% rain probability disrupts outdoor activities

  • 📸
    Photographers

    78% 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 January averages -1°C with 59% precipitation probability."

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

Frequently Asked Questions: Juneau in January

What are the temperatures in Juneau in January?

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

How many rainy days in Juneau in January?

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

What to wear in Juneau in January?

Warm winter clothing: insulated jacket, boots, gloves.

Is January peak season in Juneau?

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