April weather forecast
Ilwaco, WA

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Weather in April

April in Ilwaco, Washington, is a cool spring month, with an average temperature ranging between min 45.1°F (7.3°C) and max 51.8°F (11°C).

Temperature

Ilwaco's shift into April is marked by a subtle change to a cool 51.8°F (11°C) from March's 49.5°F (9.7°C) in temperature. The temperature in Ilwaco during April sees a subtle transition from day to night, averaging a low of 45.1°F (7.3°C).

Humidity

With an average relative humidity of 80%, April is the least humid month in Ilwaco.

Rainfall

In Ilwaco, in April, during 16.1 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 165.1 rainfall days, and 19.92" (506mm) of precipitation is accumulated.

Snowfall

In Ilwaco, Washington, snow does not fall in March through August, October through December.

Daylight

In Ilwaco, the average length of the day in April is 13h and 36min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:45 pm. On the last day of April, sunrise is at 6:02 am and sunset at 8:24 pm PDT.

Sunshine

In April, the average sunshine is 7.4h.

UV index

In April, the average daily maximum UV index in Ilwaco, Washington, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In April, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are the temperatures in Ilwaco in April?

The average high-temperature and low-temperature in Ilwaco, Washington, during April are 51.8°F (11°C) and 45.1°F (7.3°C) respectively.

What is the least humid month in Ilwaco?

April is the least humid month, with an average relative humidity of 80%.

What is the average humidity in April in Ilwaco?

In April, the average relative humidity is 80%.

How many days does it rain in April in Ilwaco?

In Ilwaco, during April, the rain falls for 16.1 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Ilwaco?

March through August, October through December are months without snowfall.

What is the average length of the day in April in Ilwaco?

The average day length in April in Ilwaco is 13h and 36min.

What time are sunrise and sunset in April in Ilwaco?

On the first day of April in Ilwaco, sunrise is at 6:53 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:24 pm PDT.

How many hours of sunshine does Ilwaco have in April?

In Ilwaco, Washington, the average sunshine duration in April is 7.4h.

How high is the UV index in April in Ilwaco?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Ilwaco, WA

Average temperature in April - Ilwaco, WA
  • Average high temperature in April: 51.8°F

The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).

  • Average low temperature in April: 45.1°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).

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Average pressure in April
Ilwaco, WA

Average pressure in April - Ilwaco, WA
  • Average pressure in April: 30.07"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in April
Ilwaco, WA

Average wind speed in April - Ilwaco, WA
  • Average wind speed in April: 9.8mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in April
Ilwaco, WA

Average humidity in April - Ilwaco, WA
  • Average humidity in April: 80%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).

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Average rainfall in April
Ilwaco, WA

Average rainfall in April - Ilwaco, WA
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in April
Ilwaco, WA

Average rainfall days in April - Ilwaco, WA
  • Average rainfall days in April: 16.1 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).

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Average snowfall in April
Ilwaco, WA

Average snowfall in April - Ilwaco, WA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").

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Average snowfall days in April
Ilwaco, WA

Average snowfall days in April - Ilwaco, WA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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Average daylight in April /
Average sunshine in April
Ilwaco, WA

Average daylight in April / Average sunshine in April - Ilwaco, WA
  • Average daylight in April: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in April: 7h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in April
Ilwaco, WA

Average sunshine days in April - Ilwaco, WA
  • Average sunshine days in April: 10.9 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).

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Average UV index in April
Ilwaco, WA

Average UV index in April - Ilwaco, WA
  • Average UV index in April: 3

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

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Average cloud cover in April
Ilwaco, WA

Average cloud cover in April - Ilwaco, WA
  • Average cloud cover in April: 53

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).

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Average visibility in April
Ilwaco, WA

Average visibility in April - Ilwaco, WA
  • Average visibility in April: 6mi

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

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Ilwaco, Washington, USA

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