April weather forecast and climate
Tulalip Bay, WA

Weather in April

April is a fresh spring month in Tulalip Bay, Washington, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 40.3°F (4.6°C).

Temperature

In April, the average high-temperature slightly increases, from a chilly 48.9°F (9.4°C) in March, to a cool 54.3°F (12.4°C). The average low-temperature, in Tulalip Bay, is 40.3°F (4.6°C).

Humidity

In April, the average relative humidity 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 in Tulalip Bay. April is the last month it regularly snows in Tulalip Bay. During 0.2 snowfall days, in April, Tulalip Bay aggregates 0.04" (1mm) of snow. Throughout the year, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.

Ocean temperature

January through April, with an average ocean temperature of 45.1°F (7.3°C), are months with the coldest seawater in Tulalip Bay.
Note: Swimming in 45.1°F (7.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Tulalip Bay, the average length of the day in April is 13.7h.

Sunshine

The average sunshine in April is 7.8h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Tulalip Bay?

The average relative humidity in April in Tulalip Bay is 80%.

How many days does it rain in April in Tulalip Bay?

In Tulalip Bay, Washington, in April, it is raining for 18.3 days, with typically 2.64" (67mm) of accumulated precipitation.

What is the last month it snows in Tulalip Bay?

April is the last month it regularly snows in Tulalip Bay. During 0.2 snowfall days, in April, Tulalip Bay aggregates 0.04" (1mm) of snow.

What months are the ocean coldest in Tulalip Bay?

January through April, with an average ocean temperature of 45.1°F (7.3°C), are months with the coldest seawater in Tulalip Bay.

What is the water temperature in April in Tulalip Bay?

In April, the average ocean temperature in Tulalip Bay, Washington, is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Tulalip Bay have in April?

In April, the average length of the day is 13.7h.

How many hours of sunshine does Tulalip Bay have in April?

In April, the average sunshine is 7.8h.

How high is the UV index in April in Tulalip Bay?

In April, the average daily maximum UV index in Tulalip Bay, Washington, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Tulalip Bay, WA

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).

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Average pressure in April
Tulalip Bay, WA

Average pressure in April - Tulalip Bay, WA
  • Average pressure in April: 30.04"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is August (30").

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Average wind speed in April
Tulalip Bay, WA

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).

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Average humidity in April
Tulalip Bay, WA

Average humidity in April - Tulalip Bay, WA
  • Average humidity in April: 80%

Months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in April
Tulalip Bay, WA

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").

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Average rainfall days in April
Tulalip Bay, WA

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).

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Average snowfall in April
Tulalip Bay, WA

Average snowfall in April - Tulalip Bay, WA
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (2.68").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Tulalip Bay, WA

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in April
Tulalip Bay, WA

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).

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Average daylight in April /
Average sunshine in April
Tulalip Bay, WA

Average daylight in April / Average sunshine in April - Tulalip Bay, WA
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in April: 7.8h

The month with the most sunshine is August (Average sunshine: 10.6h).
Months with the least sunshine are January and December (Average sunshine: 4.2).

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Average sunshine days in April
Tulalip Bay, WA

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).
Months with the least sunshine days are February and November (8.6 days).

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Average UV index in April
Tulalip Bay, WA

Average UV index in April - Tulalip Bay, WA
  • Average UV index in April: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Tulalip Bay, WA

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).

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Average visibility in April
Tulalip Bay, WA

Average visibility in April - Tulalip Bay, WA
  • Average visibility in April: 6mi

Months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, November and December (5mi).

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