May weather forecast
Hillsboro Beach, FL

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Hillsboro Beach on the Atlantic Ocean in Florida, as well as the rest of the vast city with a cloudy sky above
Hillsboro Beach on the Atlantic Ocean in Florida, as well as the rest of the vast city with a cloudy sky above

Weather in May

The last month of the spring, May, is also a moderately hot month in Hillsboro Beach, Florida, with an average temperature fluctuating between 81.5°F (27.5°C) and 75.9°F (24.4°C).

Temperature

With May's arrival, Hillsboro Beach's weather records an average high-temperature of a still warm 81.5°F (27.5°C), marking little difference from April's 79.2°F (26.2°C). May introduces a small decrease to a nighttime average of 75.9°F (24.4°C) in Hillsboro Beach.

Heat index

For most parts of May, the heat index is computed to be a tropical 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 vital to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In Hillsboro Beach, the average relative humidity in May is 73%.

Rainfall

In Hillsboro Beach, in May, it is raining for 20.9 days, with typically 5.71" (145mm) of accumulated precipitation. In Hillsboro Beach, during the entire year, the rain falls for 243.5 days and collects up to 53.31" (1354mm) of precipitation.

Daylight

In Hillsboro Beach, the average length of the day in May is 13h and 26min.
On the first day of May, 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.

Sunshine

The average sunshine in May is 10.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, an average UV index of 7 transforms into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

May temperatures vary between a high-temperature of 81.5°F (27.5°C) and a low-temperature of 75.9°F (24.4°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 computed to be 86°F (30°C).

What is the average humidity in May?

In May, the average relative humidity is 73%.

How many days does it rain in May?

In May, in Hillsboro Beach, the rain falls for 20.9 days. Throughout May, 5.71" (145mm) of precipitation is accumulated.

What is the average length of the day in May?

In Hillsboro Beach, the average day length in May is 13h and 26min.

When are sunrise and sunset in May?

On the first day of May, 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?

The average sunshine duration in May is 10.6h.

What is the month with the highest UV index in Hillsboro Beach?

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

How high is the UV index in May?

In Hillsboro Beach, the average daily maximum UV index in May is 7. A UV Index 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
Hillsboro Beach, FL

Average temperature in May - Hillsboro Beach, 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).

Average pressure in May
Hillsboro Beach, FL

Average pressure in May - Hillsboro Beach, 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).

Average wind speed in May
Hillsboro Beach, FL

Average wind speed in May - Hillsboro Beach, 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).

Average humidity in May
Hillsboro Beach, FL

Average humidity in May - Hillsboro Beach, FL
  • Average humidity in May: 73%

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

Average rainfall in May
Hillsboro Beach, FL

Average rainfall in May - Hillsboro Beach, FL
  • Average rainfall in May: 5.71"

The wettest month (with the highest rainfall) is August (8.35").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in May
Hillsboro Beach, FL

Average rainfall days in May - Hillsboro Beach, FL
  • Average rainfall days in May: 20.9 days

The month with the highest number of rainy days is August (28 days).
The month with the least rainy days is February (13 days).

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

Average daylight in May / Average sunshine in May - Hillsboro Beach, FL
  • Average daylight in May: 13h and 2min

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 30min).

  • Average sunshine in May: 10h and 4min

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).

Average sunshine days in May
Hillsboro Beach, FL

Average sunshine days in May - Hillsboro Beach, FL
  • Average sunshine days in May: 7.8 days

The month with the most sunshine days is March (12.1 days).
The months with the least sunshine days are July and August (1.7 days).

Average UV index in May
Hillsboro Beach, FL

Average UV index in May - Hillsboro Beach, 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).

Average cloud cover in May
Hillsboro Beach, FL

Average cloud cover in May - Hillsboro Beach, 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 April and July (Cloud cover 28).

Average visibility in May
Hillsboro Beach, FL

Average visibility in May - Hillsboro 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).

Hillsboro Beach, Florida, USA

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