April weather forecast
Winslow, IL

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Weather in April

April is a mild spring month in Winslow, Illinois, with an average temperature varying between 55.8°F (13.2°C) and 38.8°F (3.8°C).

Temperature

The start of April brings a rise in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in March to a refreshing 55.8°F (13.2°C). Winslow, during April nights, observes an average temperature of 38.8°F (3.8°C).

Humidity

The months with the lowest humidity in Winslow are April and October, with an average relative humidity of 76%.

Rainfall

In Winslow, in April, during 15.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Winslow, there are 145.9 rainfall days, and 22.8" (579mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Winslow. April is the last month it regularly snows. During 2.5 snowfall days, in April, Winslow aggregates 0.59" (15mm) of snow. Throughout the year, in Winslow, there are 50.1 snowfall days, and 13.62" (346mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 25min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:25 pm. On the last day of April, sunrise is at 5:54 am and sunset at 7:58 pm CDT.

Sunshine

The average sunshine in April in Winslow is 7.5h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Winslow in April?

Winslow in April has an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 38.8°F (3.8°C).

What is the least humid month in Winslow?

The months with the lowest humidity in Winslow, Illinois, are April and October, with an average relative humidity of 76%.

What is the average humidity in April in Winslow?

In Winslow, Illinois, the average relative humidity in April is 76%.

How many days does it rain in April in Winslow?

In Winslow, in April, it is raining for 15.7 days, with typically 2.36" (60mm) of accumulated precipitation.

What is the last month it snows in Winslow?

April is the last month it regularly snows in Winslow. During 2.5 snowfall days, in April, Winslow aggregates 0.59" (15mm) of snow.

How many hours of daylight does Winslow have in April?

In April, the average day length in Winslow is 13h and 25min.

When is the sunrise / sunset in April in Winslow?

On the first day of April in Winslow, sunrise is at 6:39 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:58 pm CDT.

How many hours of sunshine does Winslow have in April?

In April, the average sunshine duration is 7.5h.

How high is the UV index in April in Winslow?

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
Winslow, IL

Average temperature in April - Winslow, IL
  • Average high temperature in April: 55.8°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in April: 38.8°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in April
Winslow, IL

Average pressure in April - Winslow, 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).

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Average wind speed in April
Winslow, IL

Average wind speed in April - Winslow, 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 (6.6mph).

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Average humidity in April
Winslow, IL

Average humidity in April - Winslow, IL
  • Average humidity in April: 76%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in April
Winslow, IL

Average rainfall in April - Winslow, IL
  • Average rainfall in April: 2.36"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in April
Winslow, IL

Average rainfall days in April - Winslow, IL
  • Average rainfall days in April: 15.7 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).

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Average snowfall in April
Winslow, IL

Average snowfall in April - Winslow, IL
  • Average snowfall in April: 0.59"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Winslow, IL

Average snowfall days in April - Winslow, IL
  • Average snowfall days in April: 2.5 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Winslow, 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 6min).

  • Average sunshine in April: 7h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in April
Winslow, IL

Average sunshine days in April - Winslow, IL
  • Average sunshine days in April: 11.1 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in April
Winslow, IL

Average UV index in April - Winslow, 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).

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Average cloud cover in April
Winslow, IL

Average cloud cover in April - Winslow, IL
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).

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Average visibility in April
Winslow, IL

Average visibility in April - Winslow, 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).

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Winslow, Illinois, USA

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