May weather forecast
Harbor Bluffs, FL

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Weather in May

May, the last month of the spring in Harbor Bluffs, is another warm month, with an average temperature ranging between max 82°F (27.8°C) and min 73°F (22.8°C).

Temperature

At the start of May, Harbor Bluffs's average high-temperature reaches a still moderately hot 82°F (27.8°C), subtly different from the preceding month. May nights anticipate an average temperature of 73°F (22.8°C), a modest decline from the daytime.

Heat index

The heat index value during May is appraised at a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in May is 73%.

Rainfall

In Harbor Bluffs, in May, it is raining for 11.8 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 149.9 rainfall days, and 16.18" (411mm) of precipitation is accumulated.

Ocean temperature

In Harbor Bluffs, the average seawater temperature in May is 78.1°F (25.6°C).
Note: For swimming, diving, or other water activities, the temperature range of 77°F (25°C) to 84.2°F (29°C) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In May, the average length of the day is 13h and 32min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:05 pm. On the last day of May, sunrise is at 6:35 am and sunset at 8:22 pm EDT.

Sunshine

The month with the most sunshine in Harbor Bluffs is May, with an average of 11.3h of sunshine.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the UV index of 7 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Harbor Bluffs, is 82°F (27.8°C) and the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is appraised at 87.8°F (31°C).

What is the average humidity in May?

The average relative humidity in May is 73%.

How much does it rain in May?

In May, the rain falls for 11.8 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

What is the water temperature in May?

In Harbor Bluffs, Florida, the average seawater temperature in May is 78.1°F (25.6°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Harbor Bluffs have in May?

In May, the average day length is 13h and 32min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:50 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:22 pm EDT.

What month has the most sunshine?

May has the most sunshine of the year, with an average of 11.3h of sunshine.

How many hours of sunshine does Harbor Bluffs have in May?

The average sunshine duration in May is 11.3h.

When is the highest UV index?

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

What is the UV index reading in May?

In Harbor Bluffs, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harbor Bluffs, FL

Average temperature in May - Harbor Bluffs, FL
  • Average high temperature in May: 82°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 (65.8°F).

  • Average low temperature in May: 73°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (55.9°F).

Average pressure in May
Harbor Bluffs, FL

Average pressure in May - Harbor Bluffs, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in May
Harbor Bluffs, FL

Average wind speed in May - Harbor Bluffs, FL
  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and March (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in May
Harbor Bluffs, FL

Average humidity in May - Harbor Bluffs, FL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Harbor Bluffs, FL

Average rainfall in May - Harbor Bluffs, FL
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is March (0.39").

Average rainfall days in May
Harbor Bluffs, FL

Average rainfall days in May - Harbor Bluffs, FL
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is February (6.7 days).

Average sea temperature in May
Harbor Bluffs, FL

Average sea temperature in May - Harbor Bluffs, FL
  • Average sea temperature in May: 78.2°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight in May /
Average sunshine in May
Harbor Bluffs, FL

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in May: 11h and 2min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in May
Harbor Bluffs, FL

Average sunshine days in May - Harbor Bluffs, FL
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5 days).

Average UV index in May
Harbor Bluffs, FL

Average UV index in May - Harbor Bluffs, 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 month with the lowest UV index is January (UV index 4).

Average cloud cover in May
Harbor Bluffs, FL

Average cloud cover in May - Harbor Bluffs, FL
  • Average cloud cover in May: 20

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in May
Harbor Bluffs, FL

Average visibility in May - Harbor Bluffs, 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).

Harbor Bluffs, Florida, USA

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