May weather forecast
Boca Raton, FL

The Atlantic ocean surrounding the fantastic city of Boca Raton, Florida
The Atlantic ocean surrounding the fantastic city of Boca Raton, Florida

Weather in May

The last month of the spring, May, is also a moderately hot month in Boca Raton, Florida, with an average temperature ranging between max 81.5°F (27.5°C) and min 75.9°F (24.4°C).

Temperature

In Boca Raton, the average high-temperature in May is relatively the same as in April - a still moderately hot 81.5°F (27.5°C). In May, the average low-temperature is 75.9°F (24.4°C).

Heat index

In May, the average heat index is computed to be a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like differences in body mass, height, and shape, clothing, wind, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Boca Raton, during May, the rain falls for 21 days and regularly aggregates up to 7.05" (179mm) of precipitation. Throughout the year, in Boca Raton, Florida, there are 244.6 rainfall days, and 68.54" (1741mm) of precipitation is accumulated.

Ocean temperature

In Boca Raton, the average seawater temperature in May is 80.8°F (27.1°C).
Note: 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.

Daylight

In May, the average length of the day in Boca Raton, Florida, is 13h and 27min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:52 pm. On the last day of May, in Boca Raton, sunrise is at 6:27 am and sunset at 8:08 pm EDT.

Sunshine

In May, the average sunshine is 10.5h.

UV index

The months with the highest UV index in Boca Raton are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in May transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in May in Boca Raton?

The average high-temperature, in May, is 81.5°F (27.5°C), while the average low-temperature is 75.9°F (24.4°C). in May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the average humidity in May in Boca Raton?

The average relative humidity in May in Boca Raton, Florida, is 74%.

How many days does it rain in May in Boca Raton?

In Boca Raton, in May, during 21 rainfall days, 7.05" (179mm) of precipitation is typically accumulated.

What is the water temperature in May in Boca Raton?

In Boca Raton, the average seawater temperature in May is 80.8°F (27.1°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 Boca Raton have in May?

In Boca Raton, the average day length in May is 13h and 27min.

What time are sunrise and sunset in May in Boca Raton?

On the first day of May in Boca Raton, Florida, sunrise is at 6:42 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:08 pm EDT.

How long on average sun shines in May in Boca Raton?

In Boca Raton, the average sunshine duration in May is 10.5h.

What are the months with the highest UV index in Boca Raton?

The months with the highest UV index in Boca Raton, Florida, are May through September, with an average maximum UV index of 7.

What is the UV index reading in May in Boca Raton?

In May, the average daily maximum UV index in Boca Raton, Florida, is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in May
Boca Raton, FL

Average temperature in May - Boca Raton, FL
  • Average high temperature in May: 81.5°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (72.5°F).

  • Average low temperature in May: 75.9°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

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Average pressure in May
Boca Raton, FL

Average pressure in May - Boca Raton, FL
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in May
Boca Raton, FL

Average wind speed in May - Boca Raton, FL
  • Average wind speed in May: 10.3mph

The windiest month (with the highest average wind speed) is March (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in May
Boca Raton, FL

Average humidity in May - Boca Raton, FL
  • Average humidity in May: 74%

The months with the highest relative humidity are June and December (75%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in May
Boca Raton, FL

Average rainfall in May - Boca Raton, FL
  • Average rainfall in May: 7.05"

The wettest month (with the highest rainfall) is August (12.05").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in May
Boca Raton, FL

Average rainfall days in May - Boca Raton, FL
  • Average rainfall days in May: 21 days

The month with the highest number of rainy days is August (29.3 days).
The month with the least rainy days is February (12.7 days).

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Average sea temperature in May
Boca Raton, FL

Average sea temperature in May - Boca Raton, FL
  • Average sea temperature in May: 80.8°F

The best month for swimming (with the highest average sea temperature) is August (86.3°F).
The coldest months (with the lowest average sea temperature) are January and February (74.2°F).

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Average daylight in May /
Average sunshine in May
Boca Raton, FL

Average daylight in May / Average sunshine in May - Boca Raton, FL
  • Average daylight in May: 13h and 27min

The month with the longest days is June (Average daylight: 13h and 46min).
The month with the shortest days is December (Average daylight: 10h and 31min).

  • Average sunshine in May: 10h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).

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Average sunshine days in May
Boca Raton, FL

Average sunshine days in May - Boca Raton, FL
  • Average sunshine days in May: 8.7 days

The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is August (0.9 days).

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Average UV index in May
Boca Raton, FL

Average UV index in May - Boca Raton, 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 5).

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Average cloud cover in May
Boca Raton, FL

Average cloud cover in May - Boca Raton, FL
  • Average cloud cover in May: 29

The month with the most cloud cover is October (Cloud cover 36).
The months with the least cloud cover are March, April, May and July (Cloud cover 29).

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Average visibility in May
Boca Raton, FL

Average visibility in May - Boca Raton, 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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