Seattle weather in April
Seattle in April averages 10°C (51°F) and 81 mm of rain.
Of the twelve months in Seattle, April is the sixth coldest and the sixth driest.
- Average temp
- 10°C (51°F)
6–15°C · 43–58°F
- Rainfall
- 81 mm
Showers likely
- Sunshine
- —
- Wind
- 13 km/h
What is Seattle like in April?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Seattle in April?
A light rain jacket
About 81 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 6°C (43°F).
April compared with March and May
April in Seattle is 2.4°C warmer than March and 25 mm drier than it, which averages 8°C (46°F).
April in Seattle is 3.4°C cooler than May and 33 mm wetter than it, which averages 14°C (57°F).
Daylight in Seattle in April
On 15 April the sun is up for 13 hours 41 minutes in Seattle, rising about 06:19 and setting about 20:00 local time.
April ends 1 hour 34 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 17 minutes short of June, the longest-lit month here.
Where to stay in Seattle
Dates are a starting point for April.
Travel guides for Seattle
What to read before you book.
Seattle weather by month
TemperatureRainfall
How April compares with the rest of the year
April is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 42°F | 147 mm |
| February | 6°C / 43°F | 96 mm |
| March | 8°C / 46°F | 106 mm |
| April | 10°C / 51°F | 81 mm |
| May | 14°C / 57°F | 48 mm |
| June | 16°C / 62°F | 37 mm |
| July | 19°C / 67°F | 15 mm |
| August | 19°C / 67°F | 25 mm |
| September | 17°C / 62°F | 41 mm |
| October | 12°C / 53°F | 99 mm |
| November | 8°C / 46°F | 160 mm |
| December | 5°C / 41°F | 147 mm |
Similar weather in April
Other destinations whose April averages sit close to this one.
Check another month
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FAQs about Seattle in April
April climate averages for Seattle, 1991–2020.
Seattle averages 10°C (51°F) in April, ranging from about 6°C (43°F) at night to 15°C (58°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 81 mm falls across April, enough to need a light jacket but not enough to reshape a trip.
No. April averages 10°C (51°F) against 14°C (57°F) in May — 3.4°C cooler.
April is 2.4°C warmer than March, and 25 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; April sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what April is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 41 minutes of daylight in mid-April, against 15 hours 58 minutes in June and 8 hours 27 minutes in December.
On 15 April, sunrise is about 06:19 and sunset about 20:00 local time. Both shift across the month — the month ends 1 hour 34 minutes longer than it starts.
