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
London Mills's April weather shows an increase in high-temperatures, moving from March's chilly 48.2°F (9°C) to a refreshing 60.4°F (15.8°C). An average low-temperature of 43.7°F (6.5°C) is expected during April.Humidity
The average relative humidity in April is 75%.Rainfall
In London Mills, in April, it is raining for 13.8 days, with typically 1.61" (41mm) of accumulated precipitation. In London Mills, during the entire year, the rain falls for 126 days and collects up to 14.45" (367mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in London Mills. During 1.1 snowfall days, in April, London Mills aggregates 0.43" (11mm) of snow. In London Mills, during the entire year, snow falls for 32.2 days and aggregates up to 4.8" (122mm) of snow.Daylight
The average length of the day in April in London Mills, Illinois, is 13h and 20min.On the first day of April in London Mills, sunrise is at 6:43 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:56 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in London Mills in April?
What is the average humidity in April in London Mills?
How much does it rain in London Mills in April?
What is the last month it snows in London Mills?
How many hours of daylight does London Mills have in April?
What time are sunrise and sunset in April in London Mills?
How many hours of sunshine does London Mills have in April?
What is the UV index intensity in April in London Mills?
Average temperature in April
London Mills, 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 (29.8°F).
- Average low temperature in April: 43.7°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 (17.8°F).
Average pressure in April
London Mills, 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 (29.91"Hg).
Average wind speed in April
London Mills, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in April
London Mills, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
London Mills, IL
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in April
London Mills, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in April
London Mills, IL
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
London Mills, IL
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (10.3 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
London Mills, IL
- 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 18min).
- Average sunshine in April: 8h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
London Mills, IL
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in April
London Mills, IL
- 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, November and December (UV index 2).
Average cloud cover in April
London Mills, IL
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
London Mills, 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).
London Mills, Illinois, USA
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