United States
Best Time to Visit Seattle
Seattle's climate is mild and wet, with overcast skies year-round, but temperatures are generally pleasant, making it a year-round destination. Visit during the spring and autumn for comfortable temperatures and manageable crowds. Avoid visiting during the peak summer months for optimal experience.
✦ Visit Seattle in September or October for a comfortable and budget-friendly experience.
✅ Best months
September and October are the ideal months to visit Seattle, with mild temperatures (12-22°C/54-72°F) and fewer crowds, allowing for a more relaxed experience.
🔥 Peak season
July is the peak tourist month in Seattle, with the Seattle Mariners' baseball season in full swing, the city's famous music festivals like Bumbershoot and the Seattle International Beer Festival, and the Independence Day fireworks display. Hotel prices surge, with a 20-30% increase compared to the shoulder season, and popular attractions can be crowded.
💷 Shoulder (best value)
April and May offer discounts on accommodations and flights, with mild temperatures (12-22°C/54-72°F) and fewer crowds, making them the best budget shoulder months.
🌙 Quietest & cheapest
The quietest and cheapest period to visit Seattle is from November to mid-March, with cooler temperatures (4-12°C/39-54°F) and fewer tourists. However, some attractions and businesses may be closed or have limited hours.
Seattle season by season
Spring (Mar–May)
Weather: Temperatures range from 9-18°C (48-64°F), with occasional rain showers.
Crowds: Medium
Good for blooming cherry blossoms and outdoor activities.
Summer (Jun–Aug)
Weather: Hot and sunny days, with temperatures often reaching 28°C (82°F), and occasional heatwaves.
Crowds: High
Ideal for outdoor events and festivals.
Autumn (Sep–Nov)
Weather: Mild temperatures, ranging from 12-22°C (54-72°F), with some rain.
Crowds: Low/medium
Perfect for hiking and outdoor activities.
Winter (Dec–Feb)
Weather: Cool and wet, with temperatures ranging from 4-10°C (39-50°F).
Crowds: Low
Good for indoor attractions and shopping.
🎭 Events worth timing a trip around
The Seattle International Beer Festival (July) and the Bumbershoot music festival (September) are two signature events worth timing a trip around.
🧳 What to pack
Pack layers for Seattle's unpredictable weather, as temperatures can fluctuate significantly between rain and sunshine.
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Researched & reviewed by the TripSage editorial team · Updated July 2026.