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
As River Forest enters April, the average high-temperature increases from the a frosty 48.6°F (9.2°C) of March to a mild 60.4°F (15.8°C). Throughout April, River Forest registers a consistent average low-temperature of 44.1°F (6.7°C).Humidity
In April, the average relative humidity in River Forest is 76%.Rainfall
In River Forest, in April, during 14.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In River Forest, during the entire year, the rain falls for 142.1 days and collects up to 20.91" (531mm) of precipitation.Snowfall
Months with snowfall in River Forest are January through April, October through December. April is the last month it regularly snows. During 1 snowfall days, in April, River Forest aggregates 0.24" (6mm) of snow. In River Forest, during the entire year, snow falls for 34.7 days and aggregates up to 8.74" (222mm) of snow.Daylight
The average length of the day in April in River Forest 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
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in April translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the average April temperature in River Forest?
What is the average humidity in April in River Forest?
How much does it rain in River Forest in April?
What is the last month it snows in River Forest?
What is the average length of the day in April in River Forest?
What time are sunrise and sunset in April in River Forest?
How many hours of sunshine does River Forest have in April?
How high is the UV index in April in River Forest?
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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