July weather forecast
Saint Petersburg, FL

July delivers a continuity of the summer vibe in Saint Petersburg, Florida, with sustained high temperatures and bountiful daylight hours. Compared to June, the general ambient temperature remains similar; however, the sea temperature reaches its peak for the year. Complementing the high heat and humidity, cloud cover remains fairly stable, veiling the concentration of solar radiation at times. A remarkable trait of July's weather is the superior rainfall of 5.24in, the maximum experienced in the year. In tandem with generous rain, this month observes numerous rainy days, a unique attribute to July.

Temperature

Saint Petersburg registers an average high-temperature of a still hot 88°F (31.1°C) with the arrival of July, showing minor deviation from the preceding month. Nights in July in Saint Petersburg exhibit a minor reduction to an average low temperature of 79.3°F (26.3°C).

Heat index

During July, the heat index is evaluated at a sweltering 102.2°F (39°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. 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. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Saint Petersburg, the average relative humidity in July is 74%.

Rainfall

The month with the most rainfall is July, when the rain falls for 26.2 days and typically aggregates up to 5.24" (133mm) of precipitation.

Ocean temperature

In Saint Petersburg, the average seawater temperature in July is 85.5°F (29.7°C).
Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

The average length of the day in July in Saint Petersburg is 13h and 42min.
On the first day of the month, sunrise is at 6:38 am and sunset at 8:30 pm. On the last day of July, in Saint Petersburg, sunrise is at 6:53 am and sunset at 8:20 pm EDT.

Sunshine

In Saint Petersburg, the average sunshine in July is 11h.

UV index

The months with the highest UV index in Saint Petersburg are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 7 in July translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.