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Seattle, USA · Temperate oceanic

Seattle in April: go or not?

Tough period. Seattle in April only reaches 4.3/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 47.61°N · 122.33°W
⚡ This month's verdict
Avoid
Seattle · April
4.3
6–13°
Temperature
34%
Rain
7h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Erin Hervey via Unsplash
The month in detail

What to expect in April

Spring marks the start of the good season in Seattle. Temperatures rise (13°C) and tourists have not yet arrived en masse. Expect rain on 34% of days — a light raincoat in the bag is recommended.

April ranks 6 out of 12 months in Seattle. Compared to March: +2°C daytime, +1.1h of sun per day.

This month's conditions

What it's like in April

UV index
5 · moderate
protect during midday hours
Feels like
dry air
5°
Daylight
13.4h of daylight
Air quality
good
AQI 26
Compare

Is April the right month?

The best month in Seattle is July (8.9/10), 4.6 pts higher than April.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Seattle

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · USA

🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 24°C
❄️Coolest monthJanuary · 8°C
🌧️Rainiest month ⓘDecember · 46%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Seattle ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
USA
Temperate oceanic climate with a 8.9 → 0.8 gap between best and worst month. 10 years of ERA5 data to choose by project.
47.61°N · 122.33°W
Questions

Frequently asked questions

What is the best time to visit Seattle?
July is the best month with 24.0°C highs, 14.0°C lows, 10.1h of sunshine and 9.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Seattle get in July?
Seattle averages 10.1 sunshine hours per day in July. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Seattle?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Seattle in July?
In July, overnight lows reach 14.0°C, while afternoon highs average 24.0°C.
Is Seattle good in winter?
In winter (December-February), Seattle scores 0.9/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.5/10.
When should you avoid Seattle?
January is the most difficult month to visit Seattle, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Seattle in April?
The average UV index reaches 5 in April in Seattle (moderate), with about 13.4h of daylight. Protect during midday hours.