April weather forecastLa Harpe, IL
April
Weather in April
April in La Harpe, Illinois, is a refreshing spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.3°F (16.3°C).Temperature
As La Harpe, Illinois, transitions into April, the average high-temperature shows a change, moving from a frosty 49.6°F (9.8°C) in March to a refreshing 61.3°F (16.3°C). In La Harpe, April is marked by an average low-temperature of 44.2°F (6.8°C).Humidity
In April, the average relative humidity is 74%.Rainfall
In La Harpe, during April, the rain falls for 13.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. In La Harpe, Illinois, during the entire year, the rain falls for 127.6 days and collects up to 21.02" (534mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.7 snowfall days, in April, La Harpe aggregates 0.63" (16mm) of snow. Throughout the year, there are 26.4 snowfall days, and 9.06" (230mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:29 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:59 pm CDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 4 in April transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
La Harpe, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in April
La Harpe, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
La Harpe, IL
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in April
La Harpe, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
La Harpe, IL
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in April
La Harpe, IL
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
La Harpe, IL
- Average snowfall in April: 0.63"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
La Harpe, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (8.5 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
La Harpe, IL
- Average daylight in April: 13h and 18min
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: 7h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
La Harpe, IL
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).
Average UV index in April
La Harpe, 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
La Harpe, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
La Harpe, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
