July weather forecast
Glenarden, MD

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Weather in July

July in Glenarden, Maryland, is a tropical summer month, with an average temperature fluctuating between 87.4°F (30.8°C) and 70°F (21.1°C).

Temperature

July registers as the month with the highest average temperatures, reaching 87.4°F (30.8°C) at its peak and 70°F (21.1°C) at the lowest.

Heat index

The heat index value during July is computed to be a very hot 98.6°F (37°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

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

Rainfall

In Glenarden, in July, it is raining for 16.8 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.

Snowfall

In Glenarden, snow does not fall in May through November.

Daylight

In July, the average length of the day is 14h and 35min.
On the first day of July, sunrise is at 5:46 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:19 pm EDT.

Sunshine

With an average of 10.9h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Glenarden records the warmest temperatures in July, averaging a high of 87.4°F (30.8°C) and a low of 70°F (21.1°C).

How hot is July?

Glenarden in July has an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 98.6°F (37°C).

What are the least humid months?

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

What is the average humidity in July?

The average relative humidity in July is 71%.

How much does it rain in July?

In Glenarden, in July, it is raining for 16.8 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow?

In Glenarden, snow does not fall in May through November.

What is the average length of the day in July?

The average day length in July is 14h and 35min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:19 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

How long on average sun shines in July?

In Glenarden, Maryland, the average sunshine duration in July is 10.9h.

When is the highest UV index?

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

What is the UV index reading in July in Glenarden?

In Glenarden, 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 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 July
Glenarden, MD

Average temperature in July - Glenarden, 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).

Average pressure in July
Glenarden, MD

Average pressure in July - Glenarden, 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).

Average wind speed in July
Glenarden, MD

Average wind speed in July - Glenarden, 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).

Average humidity in July
Glenarden, MD

Average humidity in July - Glenarden, 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%).

Average rainfall in July
Glenarden, MD

Average rainfall in July - Glenarden, 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").

Average rainfall days in July
Glenarden, MD

Average rainfall days in July - Glenarden, 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).

Average snowfall in July
Glenarden, MD

Average snowfall in July - Glenarden, 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").

Average snowfall days in July
Glenarden, MD

Average snowfall days in July - Glenarden, 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).

Average daylight in July /
Average sunshine in July
Glenarden, MD

Average daylight in July / Average sunshine in July - Glenarden, MD
  • Average daylight in July: 14h 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 July: 10h and 5min

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).

Average sunshine days in July
Glenarden, MD

Average sunshine days in July - Glenarden, 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).

Average UV index in July
Glenarden, MD

Average UV index in July - Glenarden, 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).

Average cloud cover in July
Glenarden, MD

Average cloud cover in July - Glenarden, 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).

Average visibility in July
Glenarden, MD

Average visibility in July - Glenarden, 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).

Glenarden, Maryland, USA

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