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
The start of April signals an increase in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in March to a mild 59.4°F (15.2°C). Gretna's nighttime temperature during April is consistently averaged at a wintry 42.4°F (5.8°C).Humidity
In Gretna, Ohio, the average relative humidity in April is 77%.Rainfall
In Gretna, in April, it is raining for 9.6 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 82.2 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Gretna. April is the last month it regularly snows. During 0.6 snowfall days, in April, Gretna aggregates 0.08" (2mm) of snow. Throughout the year, in Gretna, there are 21.1 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:00 pm. On the last day of April, in Gretna, sunrise is at 6:34 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in April in Gretna is 7.2h.UV index
In Gretna, Ohio, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during April leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average April temperature in Gretna?
What is the average humidity in April in Gretna?
How much does it rain in Gretna in April?
What is the last month it snows in Gretna?
How many hours of daylight does Gretna have in April?
When are sunrise and sunset in April in Gretna?
How many hours of sunshine does Gretna have in April?
How high is the UV index in April in Gretna?
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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