Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May records an average high-temperature of a still warm 81°F (27.2°C), closely related to the 78.1°F (25.6°C) observed in April. Riviera Beach's nocturnal readings in May exhibit minimal variation from the daytime temperatures, averaging at a still moderately hot 75.7°F (24.3°C).Heat index
For May, the heat index is evaluated at a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Riviera Beach, the average relative humidity in May is 75%.Rainfall
In Riviera Beach, during May, the rain falls for 14.8 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 193.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Ocean temperature
In Riviera Beach, in May, the average water temperature is 80.2°F (26.8°C).Note: Water surface temperatures from 77°F (25°C) to 84.2°F (29°C) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
In Riviera Beach, Florida, the average length of the day in May is 13h and 28min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of May, in Riviera Beach, sunrise is at 6:26 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in May is 10.6h.UV index
The months with the highest UV index in Riviera Beach are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 7 in May transforms into this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Riviera Beach in May?
What is the average humidity in May in Riviera Beach?
How much does it rain in Riviera Beach in May?
What is the water temperature in May in Riviera Beach?
What is the average length of the day in May in Riviera Beach?
What time are sunrise and sunset in May in Riviera Beach?
How long on average sun shines in May in Riviera Beach?
What is the month with the highest UV index in Riviera Beach?
What is the UV index reading in May in Riviera Beach?
Average temperature in May
Riviera Beach, FL
- Average high temperature in May: 81°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (72°F).
- Average low temperature in May: 75.7°F
The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).
Average pressure in May
Riviera Beach, FL
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in May
Riviera Beach, FL
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is March (11.8mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Riviera Beach, FL
- Average humidity in May: 75%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in May
Riviera Beach, FL
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in May
Riviera Beach, FL
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is February (9.3 days).
Average sea temperature in May
Riviera Beach, FL
- Average sea temperature in May: 80.2°F
The best month for swimming (with the highest average sea temperature) is August (85.7°F).
The coldest month (with the lowest average sea temperature) is January (74.1°F).
Average daylight in May /
Average sunshine in May
Riviera Beach, 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 30min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in May
Riviera Beach, FL
- Average sunshine days in May: 12.7 days
The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in May
Riviera 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 months with the lowest UV index are January and February (UV index 5).
Average cloud cover in May
Riviera Beach, FL
- Average cloud cover in May: 28
The months with the most cloud cover are January, November and December (Cloud cover 35).
The months with the least cloud cover are May, July and August (Cloud cover 28).
Average visibility in May
Riviera 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).
Riviera Beach, Florida, USA
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