July weather forecast
Rolla, MO

July is the hottest month of the year in Rolla, offering the perfect place for sun lovers. Longer, sun-drenched days continue, providing ample opportunities for residents to enjoy summer activities. While rainfall is still a possibility, the hot weather is the most prominent feature of this month. Visitors to Rolla in July should be prepared for the heat and ensure proper hydration. Indeed, temperatures in July can reach as high as 89.1°F (31.7°C), indicating the peak of Rolla's hot summer season.

Temperature

With average high and low temperatures of 89.1°F (31.7°C) and 67.8°F (19.9°C) respectively, July is Rolla's warmest month.

Heat index

The heat index in July is appraised at a blistering 105.8°F (41°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In July, the average relative humidity is 74%.

Rainfall

In Rolla, in July, it is raining for 16 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, there are 147.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Rolla, Missouri, the average length of the day in July is 14h and 29min.
On the first day of July, sunrise is at 5:48 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:16 pm CDT.

Sunshine

In Rolla, the average sunshine in July is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.