July weather forecast
Berwyn Heights, MD

Weather in July

July in Berwyn Heights, Maryland, is a hot summer month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 87.4°F (30.8°C).

Temperature

With an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C), July is the warmest month.

Heat index

The average heat index in July is evaluated at a sweltering 98.6°F (37°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the 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.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

The months with the lowest humidity are April and July, with an average relative humidity of 71%.

Rainfall

In Berwyn Heights, Maryland, during 16.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

In Berwyn Heights, snow does not fall in May through November.

Daylight

In Berwyn Heights, Maryland, the average length of the day in July is 14h and 35min.
On the first day of July, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:20 pm EDT.

Sunshine

July has the most sunshine of the year in Berwyn Heights, with an average of 10.9h of sunshine.

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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
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FAQ

What is the warmest month in Berwyn Heights?

July is the warmest month in Berwyn Heights, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C).

What is the temperature in July in Berwyn Heights?

In July, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 70°F (21.1°C). in July, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 98.6°F (37°C).

What is the least humid month in Berwyn Heights?

April and July, with an average relative humidity of 71%, are the least humid months in Berwyn Heights, Maryland.

What is the average humidity in July in Berwyn Heights?

The average relative humidity in July is 71%.

How much does it rain in Berwyn Heights in July?

In Berwyn Heights, in July, during 16.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Berwyn Heights?

In Berwyn Heights, snow does not fall in May through November.

What is the average length of the day in July in Berwyn Heights?

In July, the average day length in Berwyn Heights, Maryland, is 14h and 35min.

When is the sunrise / sunset in July in Berwyn Heights?

On the first day of July in Berwyn Heights, Maryland, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:20 pm EDT.

What month has the most sunshine in Berwyn Heights?

July has the most sunshine of the year in Berwyn Heights, with an average of 10.9h of sunshine.

How long on average sun shines in July in Berwyn Heights?

In July, the average sunshine duration is 10.9h.

When is the highest UV index in Berwyn Heights?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Berwyn Heights, Maryland.

What is the UV index intensity in July in Berwyn Heights?

In July, the average daily maximum UV index is 6. 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 snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Berwyn Heights, MD

Average temperature in July - Berwyn Heights, MD
  • Average high temperature in July: 87.4°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in July: 70°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in July
Berwyn Heights, MD

Average pressure in July - Berwyn Heights, MD
  • Average pressure in July: 29.97"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 July
Berwyn Heights, MD

Average wind speed in July - Berwyn Heights, MD
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Berwyn Heights, MD

Average humidity in July - Berwyn Heights, MD
  • Average humidity in July: 71%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in July
Berwyn Heights, MD

Average rainfall in July - Berwyn Heights, MD
  • Average rainfall in July: 3.11"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in July
Berwyn Heights, MD

Average rainfall days in July - Berwyn Heights, MD
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in July
Berwyn Heights, MD

Average snowfall in July - Berwyn Heights, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in July
Berwyn Heights, MD

Average snowfall days in July - Berwyn Heights, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Berwyn Heights, MD

Average daylight in July / Average sunshine in July - Berwyn Heights, MD
  • Average daylight in July: 14h and 35min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in July: 10h and 54min

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 0min).

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Average sunshine days in July
Berwyn Heights, MD

Average sunshine days in July - Berwyn Heights, MD
  • Average sunshine days in July: 12 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in July
Berwyn Heights, MD

Average UV index in July - Berwyn Heights, 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 and December (UV index 2).

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Average cloud cover in July
Berwyn Heights, MD

Average cloud cover in July - Berwyn Heights, MD
  • Average cloud cover in July: 29

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in July
Berwyn Heights, MD

Average visibility in July - Berwyn Heights, 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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