April weather forecast
Oregon, IL

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Weather in April

April in Oregon, Illinois, is a moderate spring month, with an average temperature varying between 40.3°F (4.6°C) and 56.7°F (13.7°C).

Temperature

Oregon sees a rise in temperature during April, with average high-temperatures transitioning from a chilly 44.4°F (6.9°C) in March to a mild 56.7°F (13.7°C). Throughout the nights in April, Oregon experiences an average low-temperature of 40.3°F (4.6°C).

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Oregon, in April, during 15.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 141.2 rainfall days, and 20.31" (516mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.3 snowfall days, in April, Oregon aggregates 0.83" (21mm) of snow. Throughout the year, there are 44.6 snowfall days, and 9.49" (241mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 23min.
On the first day of the month, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:55 pm CDT.

Sunshine

The average sunshine in April is 7.3h.

UV index

In Oregon, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 3 in April translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Oregon in April?

During April, Oregon experiences an average high-temperature of 56.7°F (13.7°C) and a low-temperature of 40.3°F (4.6°C).

What is the average humidity in April?

The average relative humidity in April is 75%.

How much does it rain in April?

In April, the rain falls for 15.3 days. Throughout April, 2.2" (56mm) of precipitation is accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 2.3 snowfall days, in April, Oregon aggregates 0.83" (21mm) of snow.

How many hours of daylight does Oregon have in April?

The average day length in April is 13h and 23min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:55 pm CDT.

How long on average sun shines in April?

In Oregon, the average sunshine duration in April is 7.3h.

What is the UV index reading in April?

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
Oregon, IL

Average temperature in April - Oregon, IL
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in April: 40.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in April
Oregon, IL

Average pressure in April - Oregon, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Oregon, IL

Average wind speed in April - Oregon, IL
  • Average wind speed in April: 10.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in April
Oregon, IL

Average humidity in April - Oregon, IL
  • Average humidity in April: 75%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

Average rainfall in April
Oregon, IL

Average rainfall in April - Oregon, IL
  • Average rainfall in April: 2.2"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").

Average rainfall days in April
Oregon, IL

Average rainfall days in April - Oregon, IL
  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in April
Oregon, IL

Average snowfall in April - Oregon, IL
  • Average snowfall in April: 0.83"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Oregon, IL

Average snowfall days in April - Oregon, IL
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Oregon, IL

Average daylight in April / Average sunshine in April - Oregon, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 7h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in April
Oregon, IL

Average sunshine days in April - Oregon, IL
  • Average sunshine days in April: 11.6 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in April
Oregon, IL

Average UV index in April - Oregon, IL
  • Average UV index in April: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in April
Oregon, IL

Average cloud cover in April - Oregon, IL
  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in April
Oregon, IL

Average visibility in April - Oregon, IL
  • Average visibility in April: 6mi

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

Oregon, Illinois, USA

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