April weather forecastTulalip Bay, WA
April
Weather in April
April is a fresh spring month in Tulalip Bay, Washington, with an average temperature varying between 40.3°F (4.6°C) and 54.3°F (12.4°C).Temperature
April's arrival signals a modest temperature shift, moving from a chilly 48.9°F (9.4°C) in March to a fresh 54.3°F (12.4°C). Throughout the month of April, Tulalip Bay observes an average nighttime temperature of 40.3°F (4.6°C).Humidity
In April, the average relative humidity in Tulalip Bay is 80%.Rainfall
In Tulalip Bay, in April, during 18.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Tulalip Bay, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.2 snowfall days, in April, Tulalip Bay aggregates 0.04" (1mm) of snow. In Tulalip Bay, Washington, during the entire year, snow falls for 8.9 days and aggregates up to 6.1" (155mm) of snow.Ocean temperature
The months with the coldest seawater in Tulalip Bay are January through April, with an average ocean temperature of 45.1°F (7.3°C).Note: In 45.1°F (7.3°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
The average length of the day in April is 13h and 42min.On the first day of April, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:21 pm PDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
The average daily maximum UV index in April in Tulalip Bay is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tulalip Bay, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in April: 40.3°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in April
Tulalip Bay, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
Tulalip Bay, WA
- Average wind speed in April: 5mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Tulalip Bay, WA
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Tulalip Bay, WA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Tulalip Bay, WA
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
Tulalip Bay, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Tulalip Bay, WA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Tulalip Bay, WA
- Average sea temperature in April: 45.2°F
The best month for swimming (with the highest average sea temperature) is August (53.3°F).
The coldest months (with the lowest average sea temperature) are February and March (45.1°F).
Average daylight in April /
Average sunshine in April
Tulalip Bay, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in April
Tulalip Bay, WA
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in April
Tulalip Bay, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Tulalip Bay, WA
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Tulalip Bay, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
