Seattle in April
In April, Seattle averages 14°C (57°F) during the day and 6°C (42°F) at night, with frequent rain — about 19 days of the month see precipitation (93 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
April is one of the wetter and less comfortable months in Seattle. If your dates are flexible, consider a different time of year.
How April compares to the rest of the year in Seattle
April is in the middle of the year for warmth in Seattle (7th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C below the annual average (15°C). April runs 3°C warmer than March (11°C) and warms a further 4°C into May (18°C).
April sunrise & sunset in Seattle
Times shown for Seattle local time (America/Los_Angeles), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in Seattle — April
Golden-hour and blue-hour windows for the 15th of April, in Seattle's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Seattle in April
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (Shoulder) and Seattle's popularity.
Crowds & pricing — April in Seattle
Seattle is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — April in Seattle
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Seattle in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 3°C / 37°F | 182 mm | 21 | — |
| February | 8°C / 46°F | 2°C / 36°F | 125 mm | 21 | — |
| March | 11°C / 52°F | 4°C / 39°F | 123 mm | 20 | — |
| April | 14°C / 57°F | 6°C / 42°F | 93 mm | 19 | — |
| May | 18°C / 65°F | 10°C / 49°F | 56 mm | 16 | — |
| June | 21°C / 70°F | 12°C / 54°F | 50 mm | 14 | — |
| July | 25°C / 76°F | 15°C / 58°F | 16 mm | 8 | — |
| August | 25°C / 76°F | 15°C / 59°F | 27 mm | 10 | — |
| September | 20°C / 69°F | 12°C / 54°F | 65 mm | 15 | — |
| October | 15°C / 59°F | 9°C / 48°F | 138 mm | 18 | — |
| November | 10°C / 50°F | 5°C / 41°F | 178 mm | 21 | — |
| December | 7°C / 45°F | 3°C / 37°F | 185 mm | 20 | — |
Other cities with similar April weather
🌍 See the full ranked list of climate twins for Seattle in April →
Frequently asked questions
How hot is Seattle in April?
In April, Seattle averages a high of 14°C (57°F) and a low of 6°C (42°F) — generally cool.
Does it rain a lot in Seattle in April?
April is quite rainy in Seattle, with about 19 rainy days on average.
Is April a good time to visit Seattle?
April is cool but on the rainy side. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Seattle in April?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full April packing list for Seattle for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.