April weather forecast
Willamina, OR

Weather in April

April is a moderate spring month in Willamina, Oregon, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 55.9°F (13.3°C).

Temperature

In Willamina, the average high-temperature in April slightly increases from a cool 50.5°F (10.3°C) in March to a mild 55.9°F (13.3°C). In Willamina, Oregon, in April, the average low-temperature is 38.1°F (3.4°C).

Humidity

The average relative humidity in April in Willamina is 83%.

Rainfall

In Willamina, in April, during 16 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Willamina, Oregon, during the entire year, the rain falls for 156 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

In Willamina, snow does not fall in April through October.

Daylight

In April, the average length of the day in Willamina is 13h and 32min.
On the first day of April in Willamina, sunrise is at 6:53 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:18 pm PDT.

Sunshine

The average sunshine in April in Willamina is 6.2h.

UV index

In April, the average daily maximum UV index in Willamina, Oregon, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Willamina?

In April, the average relative humidity is 83%.

How much does it rain in Willamina in April?

In Willamina, in April, during 16 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow in Willamina?

In Willamina, Oregon, snow does not fall in April through October.

Does it snow in Willamina in April?

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

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

In Willamina, Oregon, the average day length in April is 13h and 32min.

When is the sunrise / sunset in April in Willamina?

In April, on the first day of the month, sunrise is at 6:53 am and sunset at 7:41 pm. On the last day of the month, in Willamina, sunrise is at 6:03 am and sunset at 8:18 pm PDT.

How long on average sun shines in April in Willamina?

The average sunshine duration in April in Willamina, Oregon, is 6.2h.

What is the UV index reading in April in Willamina?

The average daily maximum UV index in April in Willamina, Oregon, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Average temperature in April
Willamina, OR

Average temperature in April - Willamina, OR
  • Average high temperature in April: 55.9°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in April: 38.1°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in April
Willamina, OR

Average pressure in April - Willamina, OR
  • Average pressure in April: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).

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Average wind speed in April
Willamina, OR

Average wind speed in April - Willamina, OR
  • Average wind speed in April: 4.8mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in April
Willamina, OR

Average humidity in April - Willamina, OR
  • Average humidity in April: 83%

The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).

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Average rainfall in April
Willamina, OR

Average rainfall in April - Willamina, OR
  • Average rainfall in April: 1.46"

The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in April
Willamina, OR

Average rainfall days in April - Willamina, OR
  • Average rainfall days in April: 16 days

The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in April
Willamina, OR

Average snowfall in April - Willamina, OR
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
Willamina, OR

Average snowfall days in April - Willamina, OR
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Willamina, OR

Average daylight in April / Average sunshine in April - Willamina, OR
  • Average daylight in April: 13h and 32min

The month with the longest days is June (Average daylight: 15h and 34min).
The month with the shortest days is December (Average daylight: 8h and 50min).

  • Average sunshine in April: 6.2h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 3.4h).

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Average sunshine days in April
Willamina, OR

Average sunshine days in April - Willamina, OR
  • Average sunshine days in April: 11.2 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in April
Willamina, OR

Average UV index in April - Willamina, OR
  • 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).

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Average cloud cover in April
Willamina, OR

Average cloud cover in April - Willamina, OR
  • Average cloud cover in April: 62

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in April
Willamina, OR

Average visibility in April - Willamina, OR
  • Average visibility in April: 4mi

The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).

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