July weather forecastJacksonville, MO
July
Weather in July
July, like June, in Jacksonville, Missouri, is a moderately hot summer month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 84.9°F (29.4°C).Temperature
July is Jacksonville's warmest month, registering average high temperatures of 84.9°F (29.4°C) and lows of 67.5°F (19.7°C).Heat index
The average heat index in July is estimated at a sweltering 96.8°F (36°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In Jacksonville, the average relative humidity in July is 79%.Rainfall
In Jacksonville, Missouri, in July, it is raining for 14.5 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 136.6 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
May through August are months without snowfall in Jacksonville.Daylight
In July, the average length of the day in Jacksonville, Missouri, is 14h and 38min.On the first day of July in Jacksonville, Missouri, sunrise is at 5:46 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:23 pm CDT.
Sunshine
With an average of 10.4h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Jacksonville are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 in July translates into these instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Jacksonville, MO
- Average high temperature in July: 84.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in July: 67.5°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in July
Jacksonville, MO
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Jacksonville, MO
- Average wind speed in July: 6.4mph
The windiest months (with the highest average wind speed) are January, February and March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in July
Jacksonville, MO
- 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
Jacksonville, MO
- Average rainfall in July: 2.8"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in July
Jacksonville, MO
- Average rainfall days in July: 14.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in July
Jacksonville, MO
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in July
Jacksonville, MO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Jacksonville, MO
- Average daylight in July: 14h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in July
Jacksonville, MO
- Average sunshine days in July: 13.8 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in July
Jacksonville, MO
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Jacksonville, MO
- Average cloud cover in July: 28
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in July
Jacksonville, MO
- 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).
