Sanibel
Florida, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Sanibel, FL

A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida, with a great clear blue summer sky
A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida, with a great clear blue summer sky
July, like June, is another tropical summer month in Sanibel, Florida, with average temperature varying between 75.2°F (24°C) and 91.4°F (33°C).

Temperature

July and August, with an average high-temperature of 91.4°F (33°C), are the warmest months.

Rainfall

In Sanibel, during July, the rain falls for 14 days and regularly aggregates up to 8.3" (210mm) of precipitation. In Sanibel, during the entire year, the rain falls for 108 days and collects up to 52.6" (1335mm) of precipitation.

Ocean temperature

In Sanibel, the average water temperature 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.

Daylight

In July, the average length of the day in Sanibel is 13.6h.

Sunshine

The average sunshine in Sanibel is 9h.

UV index

April through August, with an average maximum UV index of 11, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
In July, the average maximum UV index of 11 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the warmest months in Sanibel?

July and August, with an average high-temperature of 91.4°F (33°C), are warmest months.

What is the temperature in July in Sanibel?

The average high-temperature, in July, in Sanibel, is 91.4°F (33°C), while the average low-temperature is 75.2°F (24°C).

How many days does it rain in July in Sanibel?

In Sanibel, in July, during 14 rainfall days, 8.3" (210mm) of precipitation is typically accumulated.

What is the ocean temperature in July in Sanibel?

In Sanibel, Florida, the average seawater temperature in July is 85.5°F (29.7°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in July in Sanibel?

In July, the average length of the day in Sanibel, Florida, is 13.6h.

How long on average sun shines in July in Sanibel?

The average sunshine in July in Sanibel, Florida, is 9h.

What is the month with the highest UV index in Sanibel?

Months with the highest UV index in Sanibel, Florida, are April through August, with an average maximum UV index of 11.

How high is the UV index in July in Sanibel?

The average daily maximum UV index in July in Sanibel is 11. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in July - Sanibel, FL
  • Average high temperature in July: 91°F

Warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (73°F).

  • Average low temperature in July: 75°F

Months with the highest average low temperature are July and August (75°F).
Coldest months (with the lowest average low temperature) are January and February (54°F).

Average rainfall in July - Sanibel, FL
  • Average rainfall in July: 8.3"

The wettest month (with the highest rainfall) is June (8.9").
The driest month (with the lowest rainfall) is April (1.4").

Average rainfall days in July - Sanibel, FL
  • Average rainfall days in July: 14 days

The month with the highest number of rainy days is August (16 days).
The month with the lowest number of rainy days is April (4 days).

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

The best month for swimming (with the highest average sea temperature) is August (87.1°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

Average daylight in July / Average sunshine in July - Sanibel, FL
  • Average daylight in July: 13.6h

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

  • Average sunshine in July: 9h

Months with most sunshine are April, May and June (Average sunshine: 10h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in July - Sanibel, FL
  • Average UV index in July: 11

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