July weather forecast
Jackson, TN

July maintains the summer's peak temperature, validating its reputation as the hottest month of the year in Jackson, Tennessee. Slightly exceeding June, July reaches its highest point with 87.6°F (30.9°C), while humidity levels skilfully underline the typical summer atmosphere. With rainfall amounts peaking at 1.85" (47mm), summer storms become a common sight, often followed by beautiful sunsets. While daylight hours start to decline, the UV index remains steady at 7, signifying the continued intensity of the summer sun. Although the wind speed drops to its lowest average of the year, this does nothing to temper the summer heat.

Temperature

July, recognised by an average high temperature of 87.6°F (30.9°C) and a low of 70°F (21.1°C), is Jackson's warmest month.

Heat index

In July, the average heat index is computed to be an extremely hot 104°F (40°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In July, the average relative humidity is 78%.

Rainfall

The month with the most rainfall is July, when the rain falls for 14.3 days and typically aggregates up to 1.85" (47mm) of precipitation.

Snowfall

In Jackson, snow does not fall in April through October.

Daylight

In July, the average length of the day in Jackson is 14h and 17min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:14 pm. On the last day of July, in Jackson, sunrise is at 6:03 am and sunset at 7:59 pm CDT.

Sunshine

In Jackson, Tennessee, the average sunshine in July is 10.4h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during July translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.