June weather forecast
St. Augustine, FL

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Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida
Palm trees and colorful houses in front of water fountains in a popular town square in St. Augustine, Florida

Weather in June

St. Augustine sees the full onset of the summer season by June. The climate is typified by long, sunny days and an upturn in average Sea Surface Temperatures. However, June's defining attribute would be the significant increase in rainfall, tallying up to around 5.6" (142mm). The wet days do not undermine the summer spirit but provide timely relief from potentially soaring temperatures. Therefore, June's blend of sunshine, showers, and warmth fosters an alluring atmosphere in the Floridian cityscape.

Temperature

St. Augustine, Florida, experiences a recorded average high-temperature of a hot 88°F (31.1°C) in June, closely aligned with May's 84°F (28.9°C). During the month of June, the nighttime temperature in St. Augustine, Florida, falls to an average of 71.1°F (21.7°C).

Rainfall

In St. Augustine, in June, it is raining for 13 days, with typically 5.59" (142mm) of accumulated precipitation. Throughout the year, in St. Augustine, there are 116 rainfall days, and 50" (1270mm) of precipitation is accumulated.

Ocean temperature

In June, the average ocean temperature in St. Augustine, Florida, is 80.2°F (26.8°C).
Note: For swimming, diving, and enjoying other water activities, the range of 77°F (25°C) to 84.2°F (29°C) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

The month with the longest days in St. Augustine is June, with an average of 14h and 0min of daylight.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:21 pm. On the last day of June, in St. Augustine, sunrise is at 6:27 am and sunset at 8:30 pm EDT.

Sunshine

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

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 reading of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 11 in June leads to these recommendations:
Utilize every vital safety procedure. Individuals with light skin may endure burns in less than 5 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing. Despite the overcast weather, sunscreen with SPF of at least 30 should be applied liberally and reapplied often, particularly after swimming or an outdoor workout. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
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Frequently asked questions

How hot is June in St. Augustine?

The high-temperature in St. Augustine, Florida, during June is 88°F (31.1°C) and the low-temperature is 71.1°F (21.7°C).

How much does it rain in St. Augustine in June?

In St. Augustine, in June, during 13 rainfall days, 5.59" (142mm) of precipitation is typically accumulated.

What is the ocean temperature in June in St. Augustine?

In St. Augustine, Florida, in June, the average water temperature is 80.2°F (26.8°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.

When are the longest days in St. Augustine?

With an average of 14h and 0min of daylight, June has the longest days of the year in St. Augustine.

What is the average length of the day in June in St. Augustine?

In June, the average day length in St. Augustine, Florida, is 14h and 2min.

What time are sunrise and sunset in June in St. Augustine?

In June, on the first day of the month, sunrise is at 6:24 am and sunset at 8:21 pm. On the last day of the month, in St. Augustine, Florida, sunrise is at 6:27 am and sunset at 8:30 pm EDT.

What are the months with the most sunshine in St. Augustine?

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

How long on average sun shines in June in St. Augustine?

The average sunshine duration in June is 9h.

What are the months with the highest UV index in St. Augustine?

The months with the highest UV index are June and July, with an average maximum UV index of 11.

What is the UV index reading in June in St. Augustine?

In June, the average daily maximum UV index in St. Augustine is 11. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in June
St. Augustine, FL

Average temperature in June - St. Augustine, FL
  • Average high temperature in June: 88°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (66°F).

  • Average low temperature in June: 71°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average rainfall in June
St. Augustine, FL

Average rainfall in June - St. Augustine, FL
  • Average rainfall in June: 5.6"

The wettest month (with the highest rainfall) is September (7.5").
The driest month (with the least rainfall) is November (2.3").

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Average rainfall days in June
St. Augustine, FL

Average rainfall days in June - St. Augustine, FL
  • Average rainfall days in June: 13 days

The months with the highest number of rainy days are July and August (15 days).
The month with the least rainy days is April (6 days).

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Average sea temperature in June
St. Augustine, FL

Average sea temperature in June - St. Augustine, FL
  • Average sea temperature in June: 80.2°F

The best month for swimming (with the highest average sea temperature) is August (83.8°F).
The coldest months (with the lowest average sea temperature) are January and February (64.3°F).

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Average daylight in June /
Average sunshine in June
St. Augustine, FL

Average daylight in June / Average sunshine in June - St. Augustine, FL
  • Average daylight in June: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in June: 9h

The months with the most sunshine are March, April, May, June, July and August (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average UV index in June
St. Augustine, FL

Average UV index in June - St. Augustine, FL
  • Average UV index in June: 11

The months with the highest UV index are June and July (UV index 11).
The months with the lowest UV index are January and December (UV index 4).

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St. Augustine, Florida, USA

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