Normal weather in SeaTac in April
The weather in SeaTac in April has an average temperature of around 16°C during the day. On average, April sees 71 mm of rain in SeaTac. The total amount of snow in April is about 0.4 cm of snow. The wind speed is 4 Beaufort and mainly comes from South.
After March, April in SeaTac starts with a temperature of 14°C and ends around May at 18°C.
Temperature per day in April in SeaTac
This graph shows the average daily maximum temperatures in April in SeaTac, indicated in degrees Celsius.
Precipitation per day in April in SeaTac
This graph shows the average daily precipitation in April in SeaTac, indicated in millimeters.
UV index per day in April in SeaTac
This graph shows the average daily UV index in April in SeaTac.
Average daily weather in April
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4 4 4 4 4 4 4 4 4 4 4 4 3 4 4Average weather in SeaTac per month
Click on a month below to see in detail how the weather typically is in SeaTac and what to expect. Based on the historical weather data of SeaTac, you can view the average temperature, precipitation, wind, and UV index for each day of the month.