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
An increase in the average high-temperature marks April, moving from March's cool 54.3°F (12.4°C) to a comfortable 65.1°F (18.4°C). Opdyke throughout April, experiences an average nighttime temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 14.7 days and accumulates 3.78" (96mm) 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, Opdyke aggregates 0.04" (1mm) of snow. Throughout the year, there are 15.4 snowfall days, and 5.87" (149mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 13min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:58 am and sunset at 7:45 pm CDT.
Sunshine
The average sunshine in April in Opdyke is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In April, a regular UV index of 4 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Opdyke in April?
What is the average humidity in April?
What is the wettest month?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Opdyke have in April?
When is the sunrise / sunset in April in Opdyke?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Opdyke, IL
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Opdyke, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Opdyke, IL
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in April
Opdyke, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Opdyke, IL
- Average rainfall in April: 3.78"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Opdyke, IL
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in April
Opdyke, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Opdyke, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.8 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
Opdyke, 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 36min).
- Average sunshine in April: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Opdyke, IL
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Opdyke, 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, November and December (UV index 2).
Average cloud cover in April
Opdyke, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in April
Opdyke, 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).
Opdyke, Illinois, USA
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