April weather forecastSpring Grove, IL

April

Weather in April

April in Spring Grove, Illinois, is a cool spring month, with an average temperature ranging between min 38.1°F (3.4°C) and max 53.2°F (11.8°C).

Temperature

April's onset witnesses a shift in the average high-temperature, moving from a wintry 42.4°F (5.8°C) in March to a fresh 53.2°F (11.8°C). During April, Spring Grove sees a mean low-temperature of 38.1°F (3.4°C).

Humidity

In April, the average relative humidity is 77%.

Rainfall

In Spring Grove, in April, during 14.9 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Spring Grove, during April, snow falls for 1.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 24min.
On the first day of April, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:52 pm CDT.

Sunshine

The average sunshine in April is 7.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 3 in April leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Spring Grove in April has an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 38.1°F (3.4°C).

In Spring Grove, the average relative humidity in April is 77%.

In April, the rain falls for 14.9 days. Throughout April, 3.19" (81mm) of precipitation is accumulated.

In Spring Grove, in April, during 1.8 snowfall days, 1.85" (47mm) of snow is typically accumulated.

In April, the average day length is 13h and 24min.

On the first day of April, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:52 pm CDT.

In April, the average sunshine duration is 7.3h.

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Spring Grove, IL

  • Average high temperature in April: 53.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in April: 38.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in April
Spring Grove, IL

  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Spring Grove, IL

  • Average wind speed in April: 10.1mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in April
Spring Grove, IL

  • Average humidity in April: 77%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall in April
Spring Grove, IL

  • Average rainfall in April: 3.19"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

Average rainfall days in April
Spring Grove, IL

  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in April
Spring Grove, IL

  • Average snowfall in April: 1.85"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Spring Grove, IL

  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Spring Grove, IL

  • Average daylight in April: 13h and 24min

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 18min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

Average sunshine days in April
Spring Grove, IL

  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in April
Spring Grove, 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
Spring Grove, IL

  • Average cloud cover in April: 51

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

Average visibility in April
Spring Grove, IL

  • 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).