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
Sullivan's July weather, with an average high temperature of 86.2°F (30.1°C) and an average low temperature of 68.4°F (20.2°C), tends to be the warmest of the year.Heat index
The heat index value during July is calculated to be a fiery hot 100.4°F (38°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The average relative humidity in July in Sullivan is 79%.Rainfall
In July, in Sullivan, the rain falls for 14.8 days. Throughout July, 1.73" (44mm) of precipitation is accumulated. In Sullivan, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.Snowfall
May through October are months without snowfall in Sullivan.Daylight
In Sullivan, the average length of the day in July is 14h and 27min.On the first day of the month, sunrise is at 5:34 am and sunset at 8:16 pm. On the last day of July, in Sullivan, sunrise is at 5:55 am and sunset at 8:00 pm CDT.
Sunshine
The average sunshine in July in Sullivan is 10.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in July translates into these instructions:
Fend off overexposure. Sun protection is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Sullivan?
Is it hot in Sullivan during July?
What is the average humidity in July in Sullivan?
How many days does it rain in July in Sullivan?
When it does not snow in Sullivan?
How many hours of daylight does Sullivan have in July?
When is the sunrise / sunset in July in Sullivan?
How long on average sun shines in July in Sullivan?
When is the highest UV index in Sullivan?
What is the UV index reading in July in Sullivan?
Average temperature in July
Sullivan, KY
- Average high temperature in July: 86.2°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in July: 68.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in July
Sullivan, KY
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in July
Sullivan, KY
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in July
Sullivan, KY
- Average humidity in July: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Sullivan, KY
- Average rainfall in July: 1.73"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in July
Sullivan, KY
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in July
Sullivan, KY
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Sullivan, KY
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (4.4 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
Sullivan, KY
- Average daylight in July: 14h and 3min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 10h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in July
Sullivan, KY
- Average sunshine days in July: 13.1 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in July
Sullivan, KY
- 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
Sullivan, KY
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in July
Sullivan, KY
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sullivan, Kentucky, USA
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