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 is the warmest month, exhibiting average temperatures of 86.5°F (30.3°C) at the peak and 64.4°F (18°C) at the base.Heat index
The average heat index in July is calculated to be a fiery hot 98.6°F (37°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In July, the average relative humidity in Mercerville is 76%.Rainfall
In Mercerville, during July, the rain falls for 15.1 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Mercerville, there are 149 rainfall days, and 16.26" (413mm) of precipitation is accumulated.Snowfall
In Mercerville, Ohio, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 34min.On the first day of July in Mercerville, sunrise is at 6:08 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:40 pm EDT.
Sunshine
The average sunshine in July is 10h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during July translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
Is it hot during July?
What is the average humidity in July in Mercerville?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Mercerville have in July?
When is the sunrise / sunset in July?
How long on average sun shines in July?
What are the months with the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Mercerville, OH
- Average high temperature in July: 86.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in July
Mercerville, OH
- Average pressure in July: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in July
Mercerville, OH
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in July
Mercerville, OH
- Average humidity in July: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in July
Mercerville, OH
- Average rainfall in July: 1.54"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in July
Mercerville, OH
- Average rainfall days in July: 15.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in July
Mercerville, OH
- Average snowfall in July: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Mercerville, OH
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mercerville, OH
- Average daylight in July: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Mercerville, OH
- Average sunshine days in July: 12.9 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in July
Mercerville, OH
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in July
Mercerville, OH
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in July
Mercerville, OH
- Average visibility in July: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Mercerville, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location