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

Juneau Weather in May

Plan your May trip to Juneau, United States. Based on 30 years of NASA data, expect temperatures of 11°C (high) to 4°C (low), with 44% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
11°C

Hottest around day 31

Avg Low
4°C

Coolest around day 4

Rainy Days
31days

44% avg rain chance

Sunshine
8hrs/day

Spring season

Juneau May Weather Calendar

Click any day to see detailed weather information

Day 1
rain
Rainy
8°C54%
Day 2
rain
Rainy
8°C53%
Day 3
rain
Rainy
8°C52%
Day 4
rain
Rainy
8°C48%
Day 5
rain
Rainy
8°C47%
Day 6
rain
Rainy
8°C43%
Day 7
rain
Rainy
9°C42%
Day 8
rain
Rainy
9°C44%
Day 9
rain
Rainy
9°C42%
Day 10
rain
Rainy
10°C42%
Day 11
rain
Rainy
10°C47%
Day 12
rain
Rainy
10°C46%
Day 13
rain
Rainy
10°C46%
Day 14
rain
Rainy
10°C45%
Day 15
rain
Rainy
11°C42%
Day 16
cloudy
Cloudy
11°C35%
Day 17
cloudy
Cloudy
11°C33%
Day 18
cloudy
Cloudy
12°C34%
Day 19
cloudy
Cloudy
12°C36%
Day 20
cloudy
Cloudy
12°C35%
Day 21
cloudy
Cloudy
12°C37%
Day 22
rain
Rainy
12°C41%
Day 23
cloudy
Cloudy
12°C40%
Day 24
rain
Rainy
12°C42%
Day 25
rain
Rainy
12°C47%
Day 26
rain
Rainy
13°C49%
Day 27
rain
Rainy
13°C48%
Day 28
rain
Rainy
13°C46%
Day 29
rain
Rainy
13°C50%
Day 30
rain
Rainy
13°C51%
Day 31
rain
Rainy
13°C50%

Essential Travel Info for Juneau

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

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 May a Good Time to Visit Juneau?

👌Worthwhile timing with some trade-offs
Short Answer

Monsoon conditions shape Juneau's May: expect 44% daily rain chance. Mornings often clear before afternoon showers - early starts recommended.

Decision Factors

Very high humidity

80% average humidity

Plenty of sunshine

9h of sunshine daily

Shoulder season - balanced conditions

40% 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

    80% humidity creates difficult conditions

Related Guides

Best Time to VisitWhen to AvoidJuneau Overview
930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Juneau in May averages 11°C with 44% precipitation probability."

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

Frequently Asked Questions: Juneau in May

What are the temperatures in Juneau in May?

Daytime highs average 11°C, nights drop to 4°C. Temperatures remain fairly consistent.

How many rainy days in Juneau in May?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Juneau in May?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is May peak season in Juneau?

This is shoulder season—moderate prices and manageable crowds.