Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July tends to be the warmest month, with temperatures averaging a daily high of 79.9°F (26.6°C) and a low of 63.7°F (17.6°C).Humidity
The average relative humidity in July is 82%.Rainfall
In July, the rain falls for 9.6 days. Throughout July, 0.63" (16mm) of precipitation is accumulated. In Gretna, during the entire year, the rain falls for 82.2 days and collects up to 6.02" (153mm) of precipitation.Snowfall
In Gretna, Ohio, snow does not fall in May through September.Daylight
In July, the average length of the day in Gretna, Ohio, is 14h and 43min.On the first day of July, sunrise is at 6:09 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:50 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10h of sunshine.UV index
The average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in July leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
What are the temperatures in July?
What is the average humidity in July?
How many days does it rain in July in Gretna?
When it does not snow?
What is the average length of the day in July?
What time are sunrise and sunset in July?
What month has the most sunshine?
How long on average sun shines in July?
How high is the UV index in July?
Average temperature in July
Gretna, OH
- Average high temperature in July: 79.9°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 July: 63.7°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 July
Gretna, OH
- Average pressure in July: 29.97"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 July
Gretna, OH
- Average wind speed in July: 6mph
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 July
Gretna, OH
- Average humidity in July: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Gretna, OH
- Average rainfall in July: 0.63"
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 July
Gretna, OH
- Average rainfall days in July: 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 July
Gretna, OH
- Average snowfall in July: 0"
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 July
Gretna, OH
- Average snowfall days in July: 0 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 July /
Average sunshine in July
Gretna, OH
- Average daylight in July: 14h and 4min
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 July: 10h and 0min
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 July
Gretna, OH
- Average sunshine days in July: 17.8 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 July
Gretna, OH
- Average UV index in July: 5
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 July
Gretna, OH
- Average cloud cover in July: 34
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 July
Gretna, OH
- Average visibility in July: 5mi
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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