Average temperatures within Seattle throughout the duration of April is 8 with highs being 14 with lows of 5 celsius. We have put some more information here:
|Sunshine Per Day||8|
Seattle, Washington (USA) Weather in April FAQs
What is the temperate on average?
The weather is typically about 8 degrees during the month
How is the weather in summer vs. winter change?
The typical temperature variance is about 7 degrees celsius difference.
How much sunshine can I expect?
8 of sunshine per day