April weather forecast
Sugar Grove, IL

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Weather in April

April is a moderate spring month in Sugar Grove, Illinois, with an average temperature ranging between max 57°F (13.9°C) and min 40.1°F (4.5°C).

Temperature

With the onset of April, Sugar Grove's weather sees a temperature rise, transitioning from a chilly 45.5°F (7.5°C) in March to a refreshing 57°F (13.9°C). An average nighttime temperature of 40.1°F (4.5°C) is observed during April.

Humidity

In Sugar Grove, the average relative humidity in April is 76%.

Rainfall

In April, the rain falls for 17.3 days. Throughout April, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 156.4 rainfall days, and 30.98" (787mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In April, in Sugar Grove, it is snowing for 1.7 days. Throughout April, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 44.6 snowfall days, and 15.2" (386mm) of snow is accumulated.

Daylight

The average length of the day in April in Sugar Grove, Illinois, is 13h and 22min.
On the first day of April, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:51 pm CDT.

Sunshine

The average sunshine in April in Sugar Grove is 7.5h.

UV index

The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during April leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What are April temperatures in Sugar Grove?

In Sugar Grove, in April, the average high-temperature is 57°F (13.9°C), and the average low-temperature is 40.1°F (4.5°C).

What is the average humidity in April in Sugar Grove?

The average relative humidity in April in Sugar Grove is 76%.

How many days does it rain in April in Sugar Grove?

In Sugar Grove, during April, the rain falls for 17.3 days and regularly aggregates up to 3.54" (90mm) of precipitation.

How much does it snow in Sugar Grove in April?

In Sugar Grove, Illinois, in April, during 1.7 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the average length of the day in April in Sugar Grove?

The average day length in April in Sugar Grove is 13h and 22min.

What time are sunrise and sunset in April in Sugar Grove?

On the first day of April, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:51 pm CDT.

How long on average sun shines in April in Sugar Grove?

In April, the average sunshine duration in Sugar Grove is 7.5h.

How high is the UV index in April in Sugar Grove?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Sugar Grove, IL

Average temperature in April - Sugar Grove, IL
  • Average high temperature in April: 57°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in April: 40.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in April
Sugar Grove, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Sugar Grove, IL

Average wind speed in April - Sugar Grove, IL
  • Average wind speed in April: 9.8mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in April
Sugar Grove, IL

Average humidity in April - Sugar Grove, IL
  • Average humidity in April: 76%

The months with the highest relative humidity are January, July and August (84%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in April
Sugar Grove, IL

Average rainfall in April - Sugar Grove, IL
  • Average rainfall in April: 3.54"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (1.57").

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Average rainfall days in April
Sugar Grove, IL

Average rainfall days in April - Sugar Grove, IL
  • Average rainfall days in April: 17.3 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (6 days).

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Average snowfall in April
Sugar Grove, IL

Average snowfall in April - Sugar Grove, IL
  • Average snowfall in April: 1.42"

The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Sugar Grove, IL

Average snowfall days in April - Sugar Grove, IL
  • Average snowfall days in April: 1.7 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
Sugar Grove, IL

Average daylight in April / Average sunshine in April - Sugar Grove, 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 3min

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

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Average sunshine days in April
Sugar Grove, IL

Average sunshine days in April - Sugar Grove, IL
  • Average sunshine days in April: 10.3 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.3 days).

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Average UV index in April
Sugar Grove, IL

Average UV index in April - Sugar Grove, IL
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Sugar Grove, IL

Average cloud cover in April - Sugar Grove, IL
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).

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Average visibility in April
Sugar Grove, IL

Average visibility in April - Sugar Grove, IL
  • Average visibility in April: 6mi

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

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Sugar Grove, Illinois, USA

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