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
As April arrives, Gretna's weather shows an increase in high-temperatures, moving from March's frosty 47.1°F (8.4°C) to a mild 59.4°F (15.2°C). Gretna, during the month of April, experiences an average low-temperature of 42.4°F (5.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Gretna, in April, it is raining for 9.6 days, with typically 0.51" (13mm) of accumulated precipitation. In Gretna, during the entire year, the rain falls for 82.2 days and collects up to 6.02" (153mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.6 snowfall days, in April, Gretna aggregates 0.08" (2mm) of snow. In Gretna, during the entire year, snow falls for 21.1 days and aggregates up to 1.85" (47mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April, sunrise is at 7:17 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:30 pm EDT.
Sunshine
In April, the average sunshine is 7.2h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 4 in April suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows in Gretna?
How many hours of daylight does Gretna have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Gretna have in April?
How high is the UV index in April?
Average temperature in April
Gretna, OH
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Gretna, OH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Gretna, OH
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
Gretna, OH
- Average humidity in April: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Gretna, OH
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is June (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in April
Gretna, OH
- Average rainfall days in April: 9.6 days
The month with the highest number of rainy days is May (10 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Gretna, OH
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Gretna, OH
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Gretna, OH
- Average daylight in April: 13h and 2min
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: 7h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Gretna, OH
- Average sunshine days in April: 18.4 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is May (17.5 days).
Average UV index in April
Gretna, OH
- Average UV index in April: 4
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Gretna, OH
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Gretna, OH
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Gretna, Ohio, USA
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