April weather forecast
Copalis Beach, WA

Weather in April

April is a fresh spring month in Copalis Beach, Washington, with average temperature ranging between max 52.3°F (11.3°C) and min 43.9°F (6.6°C).

Temperature

In Copalis Beach, the average high-temperature is relatively the same as in March - a cool 52.3°F (11.3°C). In Copalis Beach, Washington,, the average low-temperature is 43.9°F (6.6°C).

Humidity

Months with the lowest humidity in Copalis Beach are April through June, with an average relative humidity of 81%.

Rainfall

In Copalis Beach, during 14.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 152.8 rainfall days, and 19.41" (493mm) of precipitation is accumulated.

Snowfall

In Copalis Beach snow does not fall in April through October and December.

Daylight

The average length of the day in Copalis Beach, Washington, is 13.7h.

Sunshine

The average sunshine is 7.4h.

UV index

In Copalis Beach, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the least humid month in Copalis Beach?

April through June, with an average relative humidity of 81%, are the least humid months in Copalis Beach.

What is the average humidity in April in Copalis Beach?

The average relative humidity in April in Copalis Beach is 81%.

How much does it rain in Copalis Beach in April?

In April, in Copalis Beach, the rain falls for 14.3 days. Throughout April, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Copalis Beach?

In Copalis Beach snow does not fall in April through October and December.

Does it snow in Copalis Beach in April?

In April, in Copalis Beach, Washington, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Copalis Beach have in April?

In Copalis Beach, Washington, the average length of the day in April is 13.7h.

How long on average sun shines in April in Copalis Beach?

In Copalis Beach, the average sunshine in April is 7.4h.

What is the UV index reading in April in Copalis Beach?

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in April
Copalis Beach, WA

Average temperature in April - Copalis Beach, WA
  • Average high temperature in April: 52.3°F

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in April: 43.9°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

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Average pressure in April
Copalis Beach, WA

Average pressure in April - Copalis Beach, WA
  • Average pressure in April: 30.06"

The month with the highest atmospheric pressure is July (30.08").
The month with the lowest atmospheric pressure is March (30").

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Average wind speed in April
Copalis Beach, WA

Average wind speed in April - Copalis Beach, WA
  • Average wind speed in April: 9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

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Average humidity in April
Copalis Beach, WA

Average humidity in April - Copalis Beach, WA
  • Average humidity in April: 81%

The month with the highest relative humidity is December (85%).
Months with the lowest relative humidity are April, May and June (81%).

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Average rainfall in April
Copalis Beach, WA

Average rainfall in April - Copalis Beach, WA
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in April
Copalis Beach, WA

Average rainfall days in April - Copalis Beach, WA
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).

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Average snowfall in April
Copalis Beach, WA

Average snowfall in April - Copalis Beach, WA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (1.02").
Months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in April
Copalis Beach, WA

Average snowfall days in April - Copalis Beach, WA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (1.6 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Copalis Beach, WA

Average daylight in April / Average sunshine in April - Copalis Beach, WA
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in April: 7.4h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in April
Copalis Beach, WA

Average sunshine days in April - Copalis Beach, WA
  • Average sunshine days in April: 11.9 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).

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Average UV index in April
Copalis Beach, WA

Average UV index in April - Copalis Beach, WA
  • Average UV index in April: 3

Months with the highest UV index are May, June, July, August and September (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Copalis Beach, WA

Average cloud cover in April - Copalis Beach, WA
  • Average cloud cover in April: 53

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in April
Copalis Beach, WA

Average visibility in April - Copalis Beach, WA
  • Average visibility in April: 6mi

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

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