Normal weather for Seattle in April
It's cool to moderate in April in Seattle with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 19°C. At night, you can expect temperatures between 6°C and 10°C.
In April, there is an average of 59 mm of precipitation, spread over 9 days. Of the total precipitation, about 0,3 cm falls as snow in April. The wind speed is around 3 Bft, mostly coming from the Southwest.
The water temperature at Seattle is 9°C this month. This is too cold to swim without protective gear.
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Seattle in April |
New York | ||
|---|---|---|---|
 Average Temperature |
16°C | 17°C | |
 High Temp |
19°C | 22°C | |
| Low Temp |
13°C | 12°C | |
 Total Precipitation |
59 mm | 81 mm | |
| Rainy Days |
9 days | 11 days | |
 Total Snowfall |
0,3 cm | 0,4 cm | |
| Snowy Days |
1 day | 1 day | |
Start of April
The month of April starts in Seattle with cool temps, averaging around 15°C during the day and nights around 7°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid April
By mid-April, daytime temps rise to around 16°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Seattle is around 17°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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Is April a good time to visit Seattle?
Looking for sun and warm weather? April isn’t a good month to be in Seattle. The temperatures are too low for a warm stay this month.
Temperature records for Seattle in April
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Daily Temperature in April in Seattle
This chart shows the average daily high and low temperatures in April for Seattle, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Seattle
The chart below shows the average daily precipitation in April for Seattle, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 9 days of precipitation in Seattle.
Daily Snowfall in April in Seattle
This chart shows the average daily snowfall in April in Seattle, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in April.
Daily UV Index in April in Seattle
This chart shows the average daily UV index in April in Seattle, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Seattle Over the Years
This chart shows the average temperature in April in Seattle, measured in degrees Celsius, over the past few years.
Total Precipitation in April in Seattle Over the Years
This chart shows the average precipitation in April in Seattle, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in April in Seattle per year
This chart shows the average snowfall in April in Seattle, measured in centimeters, over the past few years.
Daily Climate in April for Seattle
Click on any day in April to get detailed info about the usual weather on that day in Seattle. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Seattle
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Average Weather in Seattle by Month
Click on a month below to see detailed weather info for Seattle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
