April weather forecastAdeline, IL

April

Weather in April

April is a refreshing spring month in Adeline, Illinois, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 39.7°F (4.3°C).

Temperature

A rise in the average high-temperature is observed during April, moving from a frosty 44.2°F (6.8°C) in March to a refreshing 56.5°F (13.6°C). Throughout April, Adeline registers a consistent average low-temperature of 39.7°F (4.3°C).

Humidity

The months with the lowest humidity are April and October, with an average relative humidity of 75%.

Rainfall

In April, the rain falls for 15.3 days. Throughout April, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 145.6 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2 snowfall days, in April, Adeline aggregates 0.71" (18mm) of snow. In Adeline, during the entire year, snow falls for 45.5 days and aggregates up to 13.15" (334mm) of snow.

Daylight

In Adeline, the average length of the day in April is 13h and 23min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:56 pm CDT.

Sunshine

The average sunshine in April is 7.5h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during April translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

The average high-temperature, in April, in Adeline, is 56.5°F (13.6°C), while the average low-temperature is 39.7°F (4.3°C).

April and October, with an average relative humidity of 75%, are the least humid months.

The average relative humidity in April is 75%.

In Adeline, during April, the rain falls for 15.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

April is the last month it regularly snows. During 2 snowfall days, in April, Adeline aggregates 0.71" (18mm) of snow.

In April, the average day length is 13h and 23min.

In April, on the first day of the month, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:56 pm CDT.

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

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Adeline, IL

  • Average high temperature in April: 56.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in April
Adeline, 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
Adeline, 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 (6.5mph).

Average humidity in April
Adeline, IL

  • Average humidity in April: 75%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in April
Adeline, IL

  • Average rainfall in April: 2.48"

The wettest month (with the highest rainfall) is June (3.39").
The driest months (with the least rainfall) are February and December (1.06").

Average rainfall days in April
Adeline, IL

  • Average rainfall days in April: 15.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5 days).

Average snowfall in April
Adeline, IL

  • Average snowfall in April: 0.71"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Adeline, IL

  • Average snowfall days in April: 2 days

The month with the highest number of snowfall days is January (12.4 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
Adeline, 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 12min).

  • Average sunshine in April: 7h and 30min

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

Average sunshine days in April
Adeline, IL

  • Average sunshine days in April: 11.3 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in April
Adeline, 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
Adeline, IL

  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in April
Adeline, 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).