August weather forecast
Riviera Beach, MD

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Weather in August

The last month of the summer, August, is another warm month in Riviera Beach, Maryland, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 69.1°F (20.6°C).

Temperature

August commences with an average high-temperature of a still warm 83.7°F (28.7°C), showing little deviation from July's 85.6°F (29.8°C). August nights are marked by an average low-temperature of 69.1°F (20.6°C).

Heat index

For August, the heat index is appraised at a hot 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Riviera Beach, the average relative humidity in August is 73%.

Rainfall

August is the month with the most rainfall in Riviera Beach. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

In Riviera Beach, snow does not fall in May through October.

Ocean temperature

With an average ocean temperature of 77.5°F (25.3°C), August is the month with the warmest seawater in Riviera Beach.
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

The average length of the day in August is 13h and 39min.
On the first day of August in Riviera Beach, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

In Riviera Beach, the average sunshine in August is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Riviera Beach. 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: An average UV index of 6 in August transforms into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

How hot does it get in Riviera Beach in August?

In August, in Riviera Beach, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 69.1°F (20.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 91.4°F (33°C).

What is the average humidity in August in Riviera Beach?

The average relative humidity in August in Riviera Beach, Maryland, is 73%.

What is the rainiest month in Riviera Beach?

August is the month with the most rainfall in Riviera Beach, Maryland. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

How much does it rain in Riviera Beach in August?

In Riviera Beach, during August, the rain falls for 13.9 days and regularly aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Riviera Beach?

In Riviera Beach, Maryland, snow does not fall in May through October.

When is the ocean warmest in Riviera Beach?

The month with the warmest seawater is August, with an average ocean temperature of 77.5°F (25.3°C).

What is the ocean temperature in August in Riviera Beach?

In August, the average ocean temperature in Riviera Beach, Maryland, is 77.5°F (25.3°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.

What is the average length of the day in August in Riviera Beach?

In Riviera Beach, Maryland, the average day length in August is 13h and 39min.

When are sunrise and sunset in August in Riviera Beach?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How long on average sun shines in August in Riviera Beach?

In August, the average sunshine duration in Riviera Beach, Maryland, is 10.4h.

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

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

How high is the UV index in August in Riviera Beach?

In August, the average daily maximum UV index in Riviera Beach is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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 August
Riviera Beach, MD

Average temperature in August - Riviera Beach, MD
  • Average high temperature in August: 83.7°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 August: 69.1°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 August
Riviera Beach, MD

Average pressure in August - Riviera Beach, MD
  • Average pressure in August: 29.99"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 August
Riviera Beach, MD

Average wind speed in August - Riviera Beach, MD
  • Average wind speed in August: 6mph

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 August
Riviera Beach, MD

Average humidity in August - Riviera Beach, MD
  • Average humidity in August: 73%

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 August
Riviera Beach, MD

Average rainfall in August - Riviera Beach, MD
  • Average rainfall in August: 3.54"

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 August
Riviera Beach, MD

Average rainfall days in August - Riviera Beach, MD
  • Average rainfall days in August: 13.9 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 August
Riviera Beach, MD

Average snowfall in August - Riviera Beach, MD
  • Average snowfall in August: 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 August
Riviera Beach, MD

Average snowfall days in August - Riviera Beach, MD
  • Average snowfall days in August: 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 August
Riviera Beach, MD

Average sea temperature in August - Riviera Beach, MD
  • Average sea temperature in August: 77.5°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 August /
Average sunshine in August
Riviera Beach, MD

Average daylight in August / Average sunshine in August - Riviera Beach, MD
  • Average daylight in August: 13h and 4min

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 August: 10h and 2min

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 August
Riviera Beach, MD

Average sunshine days in August - Riviera Beach, MD
  • Average sunshine days in August: 15.3 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 August
Riviera Beach, MD

Average UV index in August - Riviera Beach, MD
  • Average UV index in August: 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 August
Riviera Beach, MD

Average cloud cover in August - Riviera Beach, MD
  • Average cloud cover in August: 30

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 August
Riviera Beach, MD

Average visibility in August - Riviera Beach, MD
  • Average visibility in August: 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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