April weather forecast
Willamina, OR

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Weather in April

April is a mild spring month in Willamina, Oregon, with an average temperature varying between 55.9°F (13.3°C) and 38.1°F (3.4°C).

Temperature

April brings a slight rise in Willamina's average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to a refreshing 55.9°F (13.3°C). During April, the average low-temperature is an icy 38.1°F (3.4°C).

Humidity

In Willamina, the average relative humidity in April is 83%.

Rainfall

In Willamina, during April, the rain falls for 16 days and regularly aggregates up to 1.46" (37mm) of precipitation. 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 Willamina, the average length of the day in April is 13h and 32min.
On the first day of April in Willamina, sunrise is at 6:52 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:19 pm PDT.

Sunshine

In Willamina, the average sunshine in April is 6.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during April translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Willamina in April?

The high-temperature, in April, in Willamina, records 55.9°F (13.3°C), while the low-temperature is 38.1°F (3.4°C).

What is the average humidity in April in Willamina?

In Willamina, the average relative humidity in April is 83%.

How much does it rain in April?

In April, the rain falls for 16 days. Throughout April, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Willamina?

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

Does it snow in April?

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

How many hours of daylight does Willamina have in April?

The average day length in April is 13h and 32min.

When are sunrise and sunset in April in Willamina?

On the first day of April, sunrise is at 6:52 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:19 pm PDT.

How long on average sun shines in April in Willamina?

In April, the average sunshine duration in Willamina is 6.2h.

How high is the UV index in April?

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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 3min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in April: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

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).

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).

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).

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).

Willamina, Oregon, USA

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