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
Lyndon's weather in April presents a rise in the average high-temperature, moving from a chilly 46.4°F (8°C) in March to a mild 58.3°F (14.6°C). Throughout April, the nighttime temperature in Lyndon, Illinois, averages to a cold 42.1°F (5.6°C).Humidity
In Lyndon, the average relative humidity in April is 74%.Rainfall
In Lyndon, during April, the rain falls for 16.4 days and regularly aggregates up to 3.54" (90mm) of precipitation. In Lyndon, during the entire year, the rain falls for 151.5 days and collects up to 30.24" (768mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Lyndon. April is the last month it regularly snows in Lyndon. During 1.3 snowfall days, in April, Lyndon aggregates 0.71" (18mm) of snow. In Lyndon, during the entire year, snow falls for 37.9 days and aggregates up to 15.83" (402mm) of snow.Daylight
In Lyndon, Illinois, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of April, in Lyndon, sunrise is at 5:56 am and sunset at 7:57 pm CDT.
Sunshine
The average sunshine in April in Lyndon, Illinois, is 7.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Lyndon in April?
What is the average humidity in April in Lyndon?
How much does it rain in Lyndon in April?
What is the last month it snows in Lyndon?
How many hours of daylight does Lyndon have in April?
When is the sunrise / sunset in April in Lyndon?
How many hours of sunshine does Lyndon have in April?
What is the UV index intensity in April in Lyndon?
Average temperature in April
Lyndon, IL
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in April
Lyndon, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Lyndon, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Lyndon, IL
- Average humidity in April: 74%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Lyndon, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in April
Lyndon, IL
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in April
Lyndon, IL
- Average snowfall in April: 0.71"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Lyndon, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.5 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
Lyndon, IL
- Average daylight in April: 13h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Lyndon, IL
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in April
Lyndon, IL
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Lyndon, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Lyndon, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Lyndon, Illinois, USA
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