May weather forecast
Butler Beach, FL

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Weather in May

May, the last month of the spring in Butler Beach, is another warm month, with an average temperature varying between 70.2°F (21.2°C) and 82.6°F (28.1°C).

Temperature

Butler Beach's shift from April to May is accompanied by an average high-temperature of a still warm 82.6°F (28.1°C), a slight deviation from 77.5°F (25.3°C). Butler Beach registers a consistent average low-temperature of 70.2°F (21.2°C) during May.

Heat index

Throughout May, the heat index is calculated to be a hot 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Butler Beach, in May, it is raining for 14.3 days, with typically 2.64" (67mm) of accumulated precipitation. In Butler Beach, during the entire year, the rain falls for 186.8 days and collects up to 30.2" (767mm) of precipitation.

Snowfall

February through November are months without snowfall.

Ocean temperature

In Butler Beach, in May, the average water temperature is 75.7°F (24.3°C).
Note: When thinking about a swim in 75.7°F (24.3°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).

Daylight

In May, the average length of the day is 13h and 40min.
On the first day of the month, sunrise is at 6:41 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:24 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 10.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 in May translates into these instructions:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Enhance your sun protection with tightly woven, yet airy clothing. Beware! Reflecting off water and sand, UV rays are much stronger.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in May?

During May, Butler Beach experiences an average high-temperature of 82.6°F (28.1°C) and a low-temperature of 70.2°F (21.2°C). In May, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What is the average humidity in May in Butler Beach?

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

How many days does it rain in May?

In Butler Beach, during May, the rain falls for 14.3 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow?

February through November are months without snowfall in Butler Beach.

How warm is the water in May?

In May, the average ocean temperature is 75.7°F (24.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.7°F (24.3°C).

What is the average length of the day in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:41 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.

How long on average sun shines in May?

The average sunshine duration in May is 10.7h.

When is the highest UV index?

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

How high is the UV index in May?

In Butler Beach, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
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
Butler Beach, FL

Average temperature in May - Butler 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).

Average pressure in May
Butler Beach, FL

Average pressure in May - Butler 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).

Average wind speed in May
Butler Beach, FL

Average wind speed in May - Butler 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).

Average humidity in May
Butler Beach, FL

Average humidity in May - Butler 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%).

Average rainfall in May
Butler Beach, FL

Average rainfall in May - Butler 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").

Average rainfall days in May
Butler Beach, FL

Average rainfall days in May - Butler 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).

Average snowfall days in May
Butler Beach, FL

Average snowfall days in May - Butler 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).

Average sea temperature in May
Butler Beach, FL

Average sea temperature in May - Butler Beach, FL
  • Average sea temperature in May: 75.8°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).

Average daylight in May /
Average sunshine in May
Butler Beach, FL

Average daylight in May / Average sunshine in May - Butler 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).

Average sunshine days in May
Butler Beach, FL

Average sunshine days in May - Butler 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).

Average UV index in May
Butler Beach, FL

Average UV index in May - Butler 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).

Average cloud cover in May
Butler Beach, FL

Average cloud cover in May - Butler 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).

Average visibility in May
Butler Beach, FL

Average visibility in May - Butler 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).

Butler Beach, Florida, USA

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