30YearWeather
Seattle in June
Seattle weather in June - United States
🌤️Mild & Comfortable

Seattle Weather in June

Plan your June trip to Seattle, United States. Based on 30 years of NASA data, expect temperatures of 20°C (high) to 11°C (low), with 20% rain probability and 8 hours of daily sunshine. Great conditions with only 7 rainy days expected.

Avg High
20°C

Hottest around day 29

Avg Low
11°C

Coolest around day 1

Rainy Days
7days

20% avg rain chance

Sunshine
8hrs/day

Summer season

Seattle June Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The area code for the City of Seattle is...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Seattle

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

Major Hub
87/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Nov

Monthly Traffic Distribution

508
Jan
533
Feb
558
Mar
595
Apr
740
May
696
Jun
707
Jul
713
Aug
675
Sep
584
Oct
498
Nov
575
Dec
Traffic Level
Low Season

Key Connections

Phoenix Sky Harbor (PHX)
Los Angeles (LAX)
San Francisco (SFO)
Anchorage Ted Stevens (ANC)
Denver (DEN)

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 June a Good Time to Visit Seattle?

👍Very good conditions overall
Short Answer

June is Seattle's peak season for good reason: 20°C temperatures and 20% rain probability. But expect crowds (94% of annual maximum) and premium prices.

Decision Factors

Peak tourist season

94% of annual peak - expect crowds and peak prices

Ideal temperature range

20.2°C - perfect for sightseeing and outdoor activities

Near active volcano: Mount Rainier

Medium volcanic risk

Plenty of sunshine

11h of sunshine daily

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 20.2°C temperatures and low 20% rain risk

  • 👴
    Elderly travelers

    Comfortable 20.2°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 20.2°C, 20% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 97/100 with romantic weather conditions

Who Should Avoid

  • 🏖️
    Beach lovers

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

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Seattle in June averages 20°C with 20% precipitation probability."

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

Frequently Asked Questions: Seattle in June

What are the temperatures in Seattle in June?

Daytime highs average 20°C, nights drop to 11°C. Temperatures remain fairly consistent.

How many rainy days in Seattle in June?

Expect around 7 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Seattle in June?

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

Is June peak season in Seattle?

This is typically peak season with higher prices. Book 2-3 months ahead.