April weather forecastParnell, IL
April
Weather in April
April in Parnell, Illinois, is a refreshing spring month, with an average temperature varying between 45.5°F (7.5°C) and 61.3°F (16.3°C).Temperature
The onset of April marks an increase in the average high-temperature, moving from a frosty 49.3°F (9.6°C) in March to a comfortable 61.3°F (16.3°C). An average low-temperature of 45.5°F (7.5°C) is anticipated throughout the nights in Parnell, Illinois, during April.Humidity
In Parnell, the average relative humidity in April is 74%.Rainfall
In Parnell, Illinois, in April, it is raining for 13.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Parnell, Illinois, during the entire year, the rain falls for 138.7 days and collects up to 20.91" (531mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Parnell. During 0.6 snowfall days, in April, Parnell aggregates 0.24" (6mm) of snow. In Parnell, during the entire year, snow falls for 27.3 days and aggregates up to 9.09" (231mm) of snow.Daylight
In Parnell, Illinois, the average length of the day in April is 13h and 18min.On the first day of April in Parnell, sunrise is at 6:37 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:49 pm CDT.
Sunshine
In Parnell, the average sunshine in April is 8h.UV index
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 ordinary person.Note: The maximum daily UV index of 4 during April translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. 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
Average temperature in April
Parnell, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 45.5°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 (19.9°F).
Average pressure in April
Parnell, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Parnell, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Parnell, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Parnell, IL
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in April
Parnell, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in April
Parnell, IL
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Parnell, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (9.6 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
Parnell, 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 24min).
- Average sunshine in April: 8h and 0min
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 0min).
Average sunshine days in April
Parnell, IL
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in April
Parnell, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Parnell, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Parnell, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
