April weather forecastVermilion, OH
April
Weather in April
April is a month of transition for Vermilion. Mother Nature adjusts the temperature control, bringing a delightful warmth, especially compared to the biting cold of previous months. However, the city basks in the glow of an appreciable 7.5 hours of sunshine daily. April's skies might not always be clear, but with a monthly rainfall of 1.06" (27mm), be prepared for scheduled showers.Temperature
As Vermilion transitions into April, the average high-temperature is observed to rise from a wintry 40.3°F (4.6°C) in March to a fresh 50.4°F (10.2°C). Vermilion reports an average low-temperature of 40.5°F (4.7°C) during the nights of April.Humidity
The average relative humidity in April is 79%.Rainfall
In April, the rain falls for 13 days. Throughout April, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 138.4 rainfall days, and 12.28" (312mm) of precipitation is accumulated.Snowfall
Months with snowfall in Vermilion are January through April, November and December. April is the last month it regularly snows. During 1.6 snowfall days, in April, Vermilion aggregates 0.35" (9mm) of snow. Throughout the year, there are 43.5 snowfall days, and 4.25" (108mm) of snow is accumulated.Ocean temperature
In April, the average ocean temperature is 40.8°F (4.9°C).Note: In the water-based sport of swimming, this state is life-threatening and exceedingly dangerous. The freezing water causes severe discomfort, leading to rapid hyperventilation. A specialized swimsuit is compulsory to avert thermal damage.
Daylight
In Vermilion, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 7:11 am and sunset at 7:55 pm. On the last day of April, sunrise is at 6:26 am and sunset at 8:26 pm EDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vermilion, OH
- Average high temperature in April: 50.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in April: 40.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in April
Vermilion, OH
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Vermilion, OH
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in April
Vermilion, OH
- Average humidity in April: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in April
Vermilion, OH
- Average rainfall in April: 1.06"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in April
Vermilion, OH
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in April
Vermilion, OH
- Average snowfall in April: 0.35"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Vermilion, OH
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Vermilion, OH
- Average sea temperature in April: 40.8°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (33.1°F).
Average daylight in April /
Average sunshine in April
Vermilion, OH
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
Vermilion, OH
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is March (15 days).
The month with the least sunshine days is January (12.1 days).
Average UV index in April
Vermilion, OH
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Vermilion, OH
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in April
Vermilion, OH
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





