April weather forecastPierron, IL
April
Weather in April
April is an enjoyable spring month in Pierron, Illinois, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 64.2°F (17.9°C).Temperature
April brings a temperature change, with average high-temperatures moving from March's fresh 53.4°F (11.9°C) to an enjoyable 64.2°F (17.9°C). Pierron observes an average low-temperature of 47.3°F (8.5°C) during April nights.Humidity
The average relative humidity in April is 77%.Rainfall
In April, the rain falls for 12 days. Throughout April, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
In Pierron, snow does not fall in April through September.Daylight
The average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:41 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:50 pm CDT.
Sunshine
In Pierron, the average sunshine in April is 8.5h.UV index
In Pierron, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In April, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Pierron, IL
- Average high temperature in April: 64.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in April
Pierron, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Pierron, IL
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Pierron, IL
- Average humidity in April: 77%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Pierron, IL
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in April
Pierron, IL
- Average rainfall days in April: 12 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in April
Pierron, IL
- Average snowfall in April: 0"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Pierron, IL
- Average snowfall days in April: 0.2 days
The months with the highest number of snowfall days are January and February (4.8 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
Pierron, IL
- Average daylight in April: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Pierron, IL
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in April
Pierron, IL
- Average UV index in April: 4
The months with the highest UV index are May, 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
Pierron, IL
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in April
Pierron, 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).





