July weather forecast
Selby-on-the-Bay, MD

Weather in July

July, like June, in Selby-on-the-Bay, Maryland, is another warm summer month, with an average temperature varying between 84.7°F (29.3°C) and 72°F (22.2°C).

Temperature

July is the warmest month, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C).

Heat index

In July, the average heat index is calculated to be a tropical 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like differences in body mass, height, and shape, metabolic differences, clothing, 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 especially crucial for babies and toddlers. 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 Selby-on-the-Bay, the average relative humidity in July is 74%.

Rainfall

In Selby-on-the-Bay, during 14.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Selby-on-the-Bay, Maryland.

Ocean temperature

In Selby-on-the-Bay, in July, the average water temperature is 76.5°F (24.7°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.5°F (24.7°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In July, the average length of the day in Selby-on-the-Bay is 14h and 35min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of July, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year in Selby-on-the-Bay.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Selby-on-the-Bay?

July is the warmest month in Selby-on-the-Bay, Maryland, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C).

What is the temperature in July in Selby-on-the-Bay?

The average high-temperature, in July, in Selby-on-the-Bay, Maryland, is 84.7°F (29.3°C), while the average low-temperature is 72°F (22.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in Selby-on-the-Bay?

The average relative humidity in July in Selby-on-the-Bay is 74%.

How much does it rain in Selby-on-the-Bay in July?

In Selby-on-the-Bay, in July, during 14.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Selby-on-the-Bay?

In Selby-on-the-Bay, snow does not fall in April through October.

What is the water temperature in July in Selby-on-the-Bay?

In July, the average ocean temperature in Selby-on-the-Bay is 76.5°F (24.7°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.5°F (24.7°C) water.

What is the average length of the day in July in Selby-on-the-Bay?

The average day length in July in Selby-on-the-Bay is 14h and 35min.

What time are sunrise and sunset in July in Selby-on-the-Bay?

On the first day of July in Selby-on-the-Bay, Maryland, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

What month has the most sunshine in Selby-on-the-Bay?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Selby-on-the-Bay.

How many hours of sunshine does Selby-on-the-Bay have in July?

The average sunshine duration in July is 10.8h.

When is the highest UV index in Selby-on-the-Bay?

The months with the highest UV index in Selby-on-the-Bay, Maryland, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in July in Selby-on-the-Bay?

In Selby-on-the-Bay, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Selby-on-the-Bay, MD

Average temperature in July - Selby-on-the-Bay, MD
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in July: 72°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in July
Selby-on-the-Bay, MD

Average pressure in July - Selby-on-the-Bay, MD
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Selby-on-the-Bay, MD

Average wind speed in July - Selby-on-the-Bay, MD
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in July
Selby-on-the-Bay, MD

Average humidity in July - Selby-on-the-Bay, MD
  • Average humidity in July: 74%

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 July
Selby-on-the-Bay, MD

Average rainfall in July - Selby-on-the-Bay, MD
  • Average rainfall in July: 1.54"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in July
Selby-on-the-Bay, MD

Average rainfall days in July - Selby-on-the-Bay, MD
  • Average rainfall days in July: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in July
Selby-on-the-Bay, MD

Average snowfall in July - Selby-on-the-Bay, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Selby-on-the-Bay, MD

Average snowfall days in July - Selby-on-the-Bay, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.5 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 July
Selby-on-the-Bay, MD

Average sea temperature in July - Selby-on-the-Bay, MD
  • Average sea temperature in July: 76.3°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

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Average daylight in July /
Average sunshine in July
Selby-on-the-Bay, MD

Average daylight in July / Average sunshine in July - Selby-on-the-Bay, MD
  • Average daylight in July: 14h and 35min

The month with the longest days is June (Average daylight: 14h and 51min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in July: 10h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in July
Selby-on-the-Bay, MD

Average sunshine days in July - Selby-on-the-Bay, MD
  • Average sunshine days in July: 13.9 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in July
Selby-on-the-Bay, MD

Average UV index in July - Selby-on-the-Bay, MD
  • Average UV index in July: 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, February and December (UV index 2).

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Average cloud cover in July
Selby-on-the-Bay, MD

Average cloud cover in July - Selby-on-the-Bay, MD
  • Average cloud cover in July: 28

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 July
Selby-on-the-Bay, MD

Average visibility in July - Selby-on-the-Bay, MD
  • Average visibility in July: 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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