Saint Petersburg
Florida, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Saint Petersburg, FL

Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
July, the same as June, in Saint Petersburg, Florida, is another hot summer month, with average temperature ranging between max 90°F (32.2°C) and min 75.9°F (24.4°C).

Temperature

The warmest months are July and August, with an average high-temperature of 90°F (32.2°C).

Rainfall

In July, in Saint Petersburg, Florida, the rain falls for 15 days. Throughout July, 7" (177.8mm) of precipitation is accumulated. In Saint Petersburg, during the entire year, the rain falls for 105 days and collects up to 45.9" (1165.8mm) of precipitation.

Ocean temperature

In Saint Petersburg, in July, the average water temperature is 85.5°F (29.7°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Saint Petersburg, the average length of the day is 13.7h.

Sunshine

In Saint Petersburg, the average sunshine in July is 9h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 11. A UV Index value of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 11 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Saint Petersburg?

July and August, with an average high-temperature of 90°F (32.2°C), are warmest months in Saint Petersburg, Florida.

What is the temperature in July in Saint Petersburg?

In Saint Petersburg, in July, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 75.9°F (24.4°C).

How much does it rain in Saint Petersburg in July?

In Saint Petersburg, Florida, in July, during 15 rainfall days, 7" (177.8mm) of precipitation is typically accumulated.

How warm is the water in July in Saint Petersburg?

In Saint Petersburg, Florida, the average seawater temperature in July is 85.5°F (29.7°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in July in Saint Petersburg?

In Saint Petersburg, Florida, the average length of the day in July is 13.7h.

How long on average sun shines in July in Saint Petersburg?

In Saint Petersburg, the average sunshine in July is 9h.

What are the months with the highest UV index in Saint Petersburg?

May through August, with an average maximum UV index of 11, are months with the highest UV index.

How high is the UV index in July in Saint Petersburg?

In July, the average daily maximum UV index in Saint Petersburg is 11. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the UV radiation.
Average temperature in July - Saint Petersburg, FL
  • Average high temperature in July: 90°F

Warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (70°F).

  • Average low temperature in July: 76°F

Months with the highest average low temperature are July and August (76°F).
The coldest month (with the lowest average low temperature) is January (53°F).

Average rainfall in July - Saint Petersburg, FL
  • Average rainfall in July: 7"

The wettest month (with the highest rainfall) is August (7.8").
The driest month (with the lowest rainfall) is April (1.6").

Average rainfall days in July - Saint Petersburg, FL
  • Average rainfall days in July: 15 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

Average sea temperature in July - Saint Petersburg, FL
  • Average sea temperature in July: 85.4°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight in July / Average sunshine in July - Saint Petersburg, FL
  • Average daylight in July: 13.7h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in July: 9h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in July - Saint Petersburg, FL
  • Average UV index in July: 11

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).