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
Vermilion experiences a temperature shift with the start of April, with average high-temperatures moving from a cool 50.4°F (10.2°C) in March to a refreshing 62.2°F (16.8°C). Vermilion, during the month of April, experiences an average low-temperature of 46°F (7.8°C).Humidity
The average relative humidity in April in Vermilion is 76%.Rainfall
The month with the most rainfall in Vermilion is April, when the rain falls for 13.6 days and typically aggregates up to 2.76" (70mm) of precipitation.Snowfall
Months with snowfall in Vermilion are January through April, November and December. April is the last month it regularly snows in Vermilion. During 0.5 snowfall days, in April, Vermilion aggregates 0.12" (3mm) of snow. Throughout the year, in Vermilion, there are 23.7 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 17min.On the first day of April in Vermilion, sunrise is at 6:33 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:43 pm CDT.
Sunshine
In April, the average sunshine in Vermilion is 8.2h.UV index
In Vermilion, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the usual temperature for Vermilion in April?
What is the average humidity in April in Vermilion?
What is the rainiest month in Vermilion?
How many days does it rain in April in Vermilion?
What is the last month it snows in Vermilion?
What is the average length of the day in April in Vermilion?
When are sunrise and sunset in April in Vermilion?
How many hours of sunshine does Vermilion have in April?
What is the UV index intensity in April in Vermilion?
Average temperature in April
Vermilion, IL
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in April: 46°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Vermilion, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Vermilion, IL
- Average wind speed in April: 10.1mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in April
Vermilion, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Vermilion, IL
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in April
Vermilion, IL
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in April
Vermilion, IL
- Average snowfall in April: 0.12"
The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Vermilion, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (6.9 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
Vermilion, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Vermilion, IL
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in April
Vermilion, 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
Vermilion, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).
Average visibility in April
Vermilion, 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).
Vermilion, Illinois, USA
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