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
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a frosty 48°F (8.9°C) to a refreshing 60.4°F (15.8°C). An average low-temperature of 43.3°F (6.3°C) is recorded during the nights in April in Gerlaw.Humidity
In Gerlaw, Illinois, the average relative humidity in April is 74%.Rainfall
In Gerlaw, Illinois, in April, it is raining for 15.5 days, with typically 3.35" (85mm) of accumulated precipitation. In Gerlaw, during the entire year, the rain falls for 149.4 days and collects up to 30.16" (766mm) of precipitation.Snowfall
Months with snowfall in Gerlaw are January through April, October through December. April is the last month it regularly snows in Gerlaw. During 1 snowfall days, in April, Gerlaw aggregates 1.3" (33mm) of snow. In Gerlaw, during the entire year, snow falls for 36.7 days and aggregates up to 15.31" (389mm) of snow.Daylight
In April, the average length of the day in Gerlaw is 13h and 20min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:27 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:58 pm CDT.
Sunshine
In Gerlaw, the average sunshine in April is 7.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Gerlaw?
What is the average humidity in April in Gerlaw?
How much does it rain in Gerlaw in April?
What is the last month it snows in Gerlaw?
What is the average length of the day in April in Gerlaw?
What time are sunrise and sunset in April in Gerlaw?
How many hours of sunshine does Gerlaw have in April?
What is the UV index intensity in April in Gerlaw?
Average temperature in April
Gerlaw, IL
- Average high temperature in April: 60.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in April
Gerlaw, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Gerlaw, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Gerlaw, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Gerlaw, IL
- Average rainfall in April: 3.35"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in April
Gerlaw, IL
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Gerlaw, IL
- Average snowfall in April: 1.3"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Gerlaw, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (10.9 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
Gerlaw, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Gerlaw, IL
- Average sunshine days in April: 12 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Gerlaw, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Gerlaw, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Gerlaw, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Gerlaw, Illinois, USA
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