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
Noticing a change, the average high-temperature during April moves from March's fresh 53.8°F (12.1°C) to an enjoyable 64.9°F (18.3°C). During April, an average low-temperature of 48.2°F (9°C) is observed in Allendale.Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 16.4 days and accumulates 4.72" (120mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Allendale aggregates 0.12" (3mm) of snow. Throughout the year, there are 21 snowfall days, and 5.39" (137mm) of snow is accumulated.Daylight
In Allendale, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:34 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:42 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during April leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April in Allendale?
When are sunrise and sunset in April?
How many hours of sunshine does Allendale have in April?
What is the UV index intensity in April?
Average temperature in April
Allendale, IL
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in April: 48.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Allendale, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Allendale, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in April
Allendale, IL
- Average humidity in April: 77%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Allendale, IL
- Average rainfall in April: 4.72"
The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Allendale, IL
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
Allendale, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Allendale, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Allendale, IL
- Average daylight in April: 13h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Allendale, IL
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in April
Allendale, IL
- Average UV index in April: 5
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
Allendale, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Allendale, 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).
Allendale, Illinois, USA
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