Hottest (avg)
#7 / 12
Seattle in April
April weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 14h
What to expect
As spring continues, April brings, where temperatures are climbing noticeably. Daytime highs average 13°C / 56°F, dropping to 5°C / 41°F at night.
The atmosphere is generally mild but frequently damp, typical of changeable seasons.
April in context
How it compares to the rest of the year in Seattle.
Wettest (avg)
#7 / 12
Daylight Hours
#5 / 12
Windiest (avg)
#6 / 12
Highest UV
#5 / 12
Most Humid
#7 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 13.7 hours
- UV index (max)
- 7
- Typical sun hours
- 05:18 – 18:59
Rain & Snow
- Total
-
- Rainy days
- 17
- Cloud cover
- 69%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 77%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is April a good time to visit Seattle?
Typical April days in Seattle reach highs of 13°C (55°F) with nights around 5°C (41°F). It usually feels cool by day and cold after dark. Overall, April sits in the middle of the Seattle climate range.
What are temperatures like in April?
Daytime temperatures in April typically peak near 13°C (55°F), while nights drop to around 5°C (41°F). Expect cool afternoons and cold evenings.
How much does it rain in April?
Rainfall in April averages 98 mm (3.9 in) across roughly 17 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in April?
You can expect about 14 hours of daylight in April. Sunrise is typically around 05:18 and sunset near 18:59. You get long days with comfortable amounts of daylight.
Does the weather change during April?
April often starts off a little cooler and becomes noticeably warmer by the end of the month.
How strong is the sun in April?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in April?
In April, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 52 km/h (32 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.