May weather forecast
Fort Pierce, FL

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Weather in May

May, the last month of the spring in Fort Pierce, is another warm month, with an average temperature varying between 72.7°F (22.6°C) and 82.9°F (28.3°C).

Temperature

As Fort Pierce welcomes May, the average high-temperature stabilizes at a still warm 82.9°F (28.3°C), showing little deviation from April's 79.7°F (26.5°C). In May, Fort Pierce records an average nighttime temperature of 72.7°F (22.6°C).

Heat index

For May, the heat index is appraised at a tropical 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Fort Pierce, in May, during 18.7 rainfall days, 5.43" (138mm) of precipitation is typically accumulated. Throughout the year, in Fort Pierce, Florida, there are 221.2 rainfall days, and 46.26" (1175mm) of precipitation is accumulated.

Ocean temperature

In May, the average ocean temperature is 79.7°F (26.5°C).
Note: For any water activity, the surface water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are deemed excellent and incredibly pleasant for longer durations.

Daylight

In May, the average length of the day in Fort Pierce, Florida, is 13h and 31min.
On the first day of May, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 8:11 pm EDT.

Sunshine

In Fort Pierce, the average sunshine in May is 10.5h.

UV index

The months with the highest UV index in Fort Pierce, Florida, are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Notice! Sand and water reflections contribute to a stronger UV exposure.
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Frequently asked questions

How hot is it in Fort Pierce in May?

The high-temperature in Fort Pierce, Florida, during May is 82.9°F (28.3°C) and the low-temperature is 72.7°F (22.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is appraised at 89.6°F (32°C).

What is the average humidity in May in Fort Pierce?

The average relative humidity in May is 75%.

How much does it rain in Fort Pierce in May?

In May, the rain falls for 18.7 days. Throughout May, 5.43" (138mm) of precipitation is accumulated.

What is the ocean temperature in May in Fort Pierce?

In May, the average ocean temperature in Fort Pierce is 79.7°F (26.5°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.

How many hours of daylight does Fort Pierce have in May?

In May, the average day length is 13h and 31min.

What time are sunrise and sunset in May in Fort Pierce?

In May, on the first day of the month, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of the month, in Fort Pierce, sunrise is at 6:26 am and sunset at 8:11 pm EDT.

How long on average sun shines in May in Fort Pierce?

The average sunshine duration in May in Fort Pierce is 10.5h.

When is the highest UV index in Fort Pierce?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Fort Pierce.

What is the UV index reading in May in Fort Pierce?

The average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in May
Fort Pierce, FL

Average temperature in May - Fort Pierce, FL
  • Average high temperature in May: 82.9°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (70.5°F).

  • Average low temperature in May: 72.7°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (59.2°F).

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Average pressure in May
Fort Pierce, FL

Average pressure in May - Fort Pierce, FL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in May
Fort Pierce, FL

Average wind speed in May - Fort Pierce, FL
  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
Fort Pierce, FL

Average humidity in May - Fort Pierce, FL
  • Average humidity in May: 75%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in May
Fort Pierce, FL

Average rainfall in May - Fort Pierce, FL
  • Average rainfall in May: 5.43"

The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in May
Fort Pierce, FL

Average rainfall days in May - Fort Pierce, FL
  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is January (11.3 days).

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Average sea temperature in May
Fort Pierce, FL

Average sea temperature in May - Fort Pierce, FL
  • Average sea temperature in May: 79.6°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

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Average daylight in May /
Average sunshine in May
Fort Pierce, FL

Average daylight in May / Average sunshine in May - Fort Pierce, FL
  • Average daylight in May: 13h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days in May
Fort Pierce, FL

Average sunshine days in May - Fort Pierce, FL
  • Average sunshine days in May: 9.5 days

The month with the most sunshine days is January (17 days).
The month with the least sunshine days is August (0.8 days).

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Average UV index in May
Fort Pierce, FL

Average UV index in May - Fort Pierce, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).

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Average cloud cover in May
Fort Pierce, FL

Average cloud cover in May - Fort Pierce, FL
  • Average cloud cover in May: 28

The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).

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Average visibility in May
Fort Pierce, FL

Average visibility in May - Fort Pierce, 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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Fort Pierce, Florida, USA

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