Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Entering April, River Forest sees a temperature rise, with the average high-temperature advancing from March's chilly 48.6°F (9.2°C) to a mild 60.4°F (15.8°C). River Forest records a mean low-temperature of 44.1°F (6.7°C) in April.Humidity
The average relative humidity in April in River Forest is 76%.Rainfall
In April, the rain falls for 14.1 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 142.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
Months with snowfall in River Forest are January through April, October through December. April is the last month it regularly snows in River Forest. During 1 snowfall days, in April, River Forest aggregates 0.24" (6mm) of snow. Throughout the year, there are 34.7 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 18min.On the first day of April, sunrise is at 7:25 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:37 pm EDT.
Sunshine
In River Forest, the average sunshine in April is 7h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does River Forest have in April?
What is the UV index reading in April?
Average temperature in April
River Forest, IN
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in April: 44.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
River Forest, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
River Forest, IN
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
River Forest, IN
- Average humidity in April: 76%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
River Forest, IN
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are February and November (1.14").
Average rainfall days in April
River Forest, IN
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
River Forest, IN
- Average snowfall in April: 0.24"
The months with the highest snowfall are February and December (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
River Forest, IN
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
River Forest, IN
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
River Forest, IN
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in April
River Forest, IN
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
River Forest, IN
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are June, July and August (Cloud cover 32).
Average visibility in April
River Forest, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
River Forest, Indiana, USA
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