May weather forecast
Saint Augustine Beach, FL

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Weather in May

May, the last month of the spring in Saint Augustine Beach, is another warm month, with an average temperature varying between 70.2°F and 82.6°F.

Temperature

The onset of May notes an average high-temperature of a still warm 82.6°F, subtly shifted from April's 77.5°F. During the nights in May, an average low-temperature of 70.2°F is observed.

Heat index

In May, the average heat index is calculated to be a tropical 87.8°F. Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 remain especially vital for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In May, the average relative humidity in Saint Augustine Beach is 74%.

Rainfall

In Saint Augustine Beach, in May, during 14.3 rainfall days, 2.64" of precipitation is typically accumulated. Throughout the year, in Saint Augustine Beach, there are 186.8 rainfall days, and 30.2" of precipitation is accumulated.

Snowfall

February through November are months without snowfall in Saint Augustine Beach, Florida.

Daylight

The average length of the day in May is 13h and 40min.
On the first day of May in Saint Augustine Beach, sunrise is at 6:42 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 10.7h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 suggests this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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FAQ

How hot is it in Saint Augustine Beach in May?

May temperatures vary between a high-temperature of 82.6°F and a low-temperature of 70.2°F. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in May is calculated to be 87.8°F.

What is the average humidity in May in Saint Augustine Beach?

In May, the average relative humidity in Saint Augustine Beach is 74%.

How much does it rain in Saint Augustine Beach in May?

In Saint Augustine Beach, in May, during 14.3 rainfall days, 2.64" of precipitation is typically accumulated.

When it does not snow in Saint Augustine Beach?

In Saint Augustine Beach, Florida, snow does not fall in February through November.

How many hours of daylight does Saint Augustine Beach have in May?

In Saint Augustine Beach, Florida, the average day length in May is 13h and 40min.

When are sunrise and sunset in May in Saint Augustine Beach?

In May, on the first day of the month, sunrise is at 6:42 am and sunset at 8:02 pm. On the last day of the month, in Saint Augustine Beach, sunrise is at 6:24 am and sunset at 8:20 pm EDT.

How long on average sun shines in May in Saint Augustine Beach?

The average sunshine duration in May in Saint Augustine Beach, Florida, is 10.7h.

When is the highest UV index in Saint Augustine Beach?

The months with the highest UV index in Saint Augustine Beach are May through August, with an average maximum UV index of 7.

What is the UV index intensity in May in Saint Augustine Beach?

In Saint Augustine Beach, Florida, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saint Augustine Beach, FL

Average temperature in May - Saint Augustine Beach, FL
  • Average high temperature in May: 82.6°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (64°F).

  • Average low temperature in May: 70.2°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).

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Average pressure in May
Saint Augustine Beach, FL

Average pressure in May - Saint Augustine Beach, FL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.98"Hg).

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Average wind speed in May
Saint Augustine Beach, FL

Average wind speed in May - Saint Augustine Beach, FL
  • Average wind speed in May: 7.9mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in May
Saint Augustine Beach, FL

Average humidity in May - Saint Augustine Beach, FL
  • Average humidity in May: 74%

The months with the highest relative humidity are July, August and December (77%).
The month with the lowest relative humidity is March (71%).

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Average rainfall in May
Saint Augustine Beach, FL

Average rainfall in May - Saint Augustine Beach, FL
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (1.18").

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Average rainfall days in May
Saint Augustine Beach, FL

Average rainfall days in May - Saint Augustine Beach, FL
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is February (10.3 days).

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Average snowfall days in May
Saint Augustine Beach, FL

Average snowfall days in May - Saint Augustine Beach, FL
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Saint Augustine Beach, FL

Average daylight in May / Average sunshine in May - Saint Augustine Beach, FL
  • Average daylight in May: 13h and 4min

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 May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in May
Saint Augustine Beach, FL

Average sunshine days in May - Saint Augustine Beach, FL
  • Average sunshine days in May: 14.2 days

The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is August (4.4 days).

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Average UV index in May
Saint Augustine Beach, FL

Average UV index in May - Saint Augustine Beach, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in May
Saint Augustine Beach, FL

Average cloud cover in May - Saint Augustine Beach, FL
  • Average cloud cover in May: 26

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).

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Average visibility in May
Saint Augustine Beach, FL

Average visibility in May - Saint Augustine Beach, FL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Saint Augustine Beach, Florida, USA

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