July weather forecast
St. Augustine, FL

As St. Augustine, Florida enters the hottest period of the year, July comes in with its peak summer schedule. High temperatures and sea surface temperatures set the stage for beach activities and water sports. A notable aspect is the highest average rainfall during the year, which measured 5.7" (145mm), manifested over 15 days. Despite the showers, the city glimpses brightly lit days with abundant sunshine hours, keeping the vibrant summer spirit alive. The weather in July offers a stimulating experience, merging summer heat with refreshing showers.

Temperature

In St. Augustine, temperatures reach their average annual highs in July, measuring 90°F (32.2°C) and a minimum average of 72°F (22.2°C).

Rainfall

In July, in St. Augustine, the rain falls for 15 days. Throughout July, 5.71" (145mm) of precipitation is accumulated. In St. Augustine, during the entire year, the rain falls for 116 days and collects up to 50" (1270mm) of precipitation.

Ocean temperature

In St. Augustine, in July, the average water temperature is 82.2°F (27.9°C).
Note: For activities such as swimming and diving, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

The average length of the day in July in St. Augustine is 13h and 51min.
On the first day of July in St. Augustine, sunrise is at 6:28 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 8:18 pm EDT.

Sunshine

March through August, with an average of 9h of sunshine, are months with the most sunshine in St. Augustine.

UV index

June and July, with an average maximum UV index of 11, are months with the highest UV index in St. Augustine. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 11 in July translates into this advice:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Apply generously and frequently reapply a sunscreen with SPF 30 or more even on cloudy days, particularly after a swim or outdoor exercise. Alert! UV radiation becomes sharper due to reflections from sand and water.