April weather forecast
Pendleton, OR

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These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon
These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon

Weather in April

By April, the weather in Pendleton continues to tilt favorably towards spring. The temperature rise continues, becoming significantly warmer than preceding months. However, the 1.18" (30mm) average rainfall coupled with a reduced number of rainfall days compared to March indicates drier conditions. The sports fraternity, especially golfers, hikers, and cyclists, might find these conditions well-suited to their interests. On the downsides, winds maintain their momentum in April, warranting headgear for those spending extended periods outdoors.

Temperature

April introduces a minor temperature shift, with average high-temperatures adjusting from March's fresh 50.4°F (10.2°C) to a refreshing 57.6°F (14.2°C). During April, Pendleton witnesses a consistent average low-temperature of 40.1°F (4.5°C).

Humidity

In Pendleton, the average relative humidity in April is 62%.

Rainfall

In Pendleton, during April, the rain falls for 13.8 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, in Pendleton, there are 132.7 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, September, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Pendleton aggregates 0.08" (2mm) of snow. Throughout the year, in Pendleton, Oregon, there are 17.5 snowfall days, and 9.41" (239mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 34min.
On the first day of the month, sunrise is at 6:33 am and sunset at 7:24 pm. On the last day of April, sunrise is at 5:42 am and sunset at 8:01 pm PDT.

Sunshine

The average sunshine in April is 10.1h.

UV index

In Pendleton, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 in April translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the average April temperature in Pendleton?

The high-temperature during April is 57.6°F (14.2°C) and the low-temperature is 40.1°F (4.5°C).

What is the average humidity in April in Pendleton?

The average relative humidity in April in Pendleton is 62%.

How many days does it rain in April in Pendleton?

In Pendleton, in April, during 13.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

What is the last month it snows in Pendleton?

April is the last month it regularly snows in Pendleton, Oregon. During 0.3 snowfall days, in April, Pendleton aggregates 0.08" (2mm) of snow.

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

In Pendleton, the average day length in April is 13h and 34min.

When is the sunrise / sunset in April in Pendleton?

On the first day of April, sunrise is at 6:33 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:01 pm PDT.

How many hours of sunshine does Pendleton have in April?

The average sunshine duration in April is 10.1h.

What is the UV index reading in April in Pendleton?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Pendleton, OR

Average temperature in April - Pendleton, OR
  • Average high temperature in April: 57.6°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in April: 40.1°F

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (27.3°F).

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Average pressure in April
Pendleton, OR

Average pressure in April - Pendleton, OR
  • Average pressure in April: 30"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in April
Pendleton, OR

Average wind speed in April - Pendleton, OR
  • Average wind speed in April: 8.3mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in April
Pendleton, OR

Average humidity in April - Pendleton, OR
  • Average humidity in April: 62%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in April
Pendleton, OR

Average rainfall in April - Pendleton, OR
  • Average rainfall in April: 1.18"

The wettest month (with the highest rainfall) is March (1.65").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in April
Pendleton, OR

Average rainfall days in April - Pendleton, OR
  • Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in April
Pendleton, OR

Average snowfall in April - Pendleton, OR
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in April
Pendleton, OR

Average snowfall days in April - Pendleton, OR
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in April / Average sunshine in April - Pendleton, OR
  • Average daylight in April: 13h and 4min

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: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in April
Pendleton, OR

Average sunshine days in April - Pendleton, OR
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (11.7 days).

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Average UV index in April
Pendleton, OR

Average UV index in April - Pendleton, OR
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 7).
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
Pendleton, OR

Average cloud cover in April - Pendleton, OR
  • Average cloud cover in April: 34

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in April
Pendleton, OR

Average visibility in April - Pendleton, OR
  • 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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Pendleton, Oregon, USA

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