May weather forecast
Riviera Beach, MD

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Weather in May

The last month of the spring, May, is a pleasant month in Riviera Beach, Maryland, with an average temperature ranging between max 72.1°F (22.3°C) and min 57.2°F (14°C).

Temperature

The transition to May introduces an increase in the average high-temperature, shifting from an enjoyable 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). Riviera Beach experiences an average low-temperature of 57.2°F (14°C) in month of May.

Humidity

With an average relative humidity of 78%, May is the most humid month in Riviera Beach.

Rainfall

In Riviera Beach, in May, during 17.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Riviera Beach, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

In Riviera Beach, in May, the average water temperature is 55.9°F (13.3°C).
Note: Dipping into 55.9°F (13.3°C) below 50°F (10°C) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 55.4°F (13°C) can be jarring.

Daylight

In May, the average length of the day is 14h and 20min.
On the first day of May, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine in Riviera Beach is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during May leads to these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What are the temperatures in Riviera Beach in May?

During May, Riviera Beach experiences an average high-temperature of 72.1°F (22.3°C) and a low-temperature of 57.2°F (14°C).

What is the most humid month in Riviera Beach?

With an average relative humidity of 78%, May is the most humid month.

What is the average humidity in May in Riviera Beach?

The average relative humidity in May in Riviera Beach is 78%.

How much does it rain in Riviera Beach in May?

In Riviera Beach, Maryland, in May, during 17.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When it does not snow in Riviera Beach?

May through October are months without snowfall in Riviera Beach, Maryland.

Does it snow in Riviera Beach in May?

In May, in Riviera Beach, Maryland, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Riviera Beach?

In Riviera Beach, Maryland, the average seawater temperature in May is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Riviera Beach have in May?

In Riviera Beach, the average day length in May is 14h and 20min.

When is the sunrise / sunset in May in Riviera Beach?

On the first day of May, sunrise is at 6:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Riviera Beach have in May?

The average sunshine duration in May in Riviera Beach is 9.1h.

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

The months with the highest UV index in Riviera Beach are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Riviera Beach?

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

Average temperature in May
Riviera Beach, MD

Average temperature in May - Riviera Beach, MD
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 57.2°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in May
Riviera Beach, MD

Average pressure in May - Riviera Beach, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Riviera Beach, MD

Average wind speed in May - Riviera Beach, MD
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in May
Riviera Beach, MD

Average humidity in May - Riviera Beach, MD
  • Average humidity in May: 78%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in May
Riviera Beach, MD

Average rainfall in May - Riviera Beach, MD
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in May
Riviera Beach, MD

Average rainfall days in May - Riviera Beach, MD
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in May
Riviera Beach, MD

Average snowfall in May - Riviera Beach, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Riviera Beach, MD

Average snowfall days in May - Riviera Beach, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Riviera Beach, MD

Average sea temperature in May - Riviera Beach, MD
  • Average sea temperature in May: 55.9°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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Average daylight in May /
Average sunshine in May
Riviera Beach, MD

Average daylight in May / Average sunshine in May - Riviera Beach, MD
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in May
Riviera Beach, MD

Average sunshine days in May - Riviera Beach, MD
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in May
Riviera Beach, MD

Average UV index in May - Riviera Beach, MD
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in May
Riviera Beach, MD

Average cloud cover in May - Riviera Beach, MD
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Riviera Beach, MD

Average visibility in May - Riviera Beach, MD
  • 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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Riviera Beach, Maryland, USA

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