July weather forecast
Calvert Hills, MD

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Weather in July

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

Temperature

July, with its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 70°F (21.1°C), holds the record as the warmest month.

Heat index

During July, the heat index is evaluated at a torrid 98.6°F (37°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

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

Rainfall

In Calvert Hills, 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

May through November are months without snowfall.

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 8:37 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:19 pm EDT.

Sunshine

The month with the most sunshine is July, 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In July, a regular UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

Calvert Hills 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).

Is it hot in Calvert Hills during July?

The average high-temperature, in July, in Calvert Hills, is 87.4°F (30.8°C), while the average low-temperature is 70°F (21.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 98.6°F (37°C).

What is the least humid month?

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

What is the average humidity in July?

In Calvert Hills, the average relative humidity in July is 71%.

How much does it rain in July?

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

When it does not snow in Calvert Hills?

May through November are months without snowfall.

How many hours of daylight does Calvert Hills have in July?

In July, the average day length is 14h and 35min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:46 am and sunset at 8:37 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 Calvert Hills, the average sunshine duration in July is 10.9h.

What is the month with the highest UV index in Calvert Hills?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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 July
Calvert Hills, MD

Average temperature in July - Calvert Hills, 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
Calvert Hills, MD

Average pressure in July - Calvert Hills, 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
Calvert Hills, MD

Average wind speed in July - Calvert Hills, 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
Calvert Hills, MD

Average humidity in July - Calvert Hills, 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
Calvert Hills, MD

Average rainfall in July - Calvert Hills, 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
Calvert Hills, MD

Average rainfall days in July - Calvert Hills, 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
Calvert Hills, MD

Average snowfall in July - Calvert Hills, 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
Calvert Hills, MD

Average snowfall days in July - Calvert Hills, 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
Calvert Hills, MD

Average daylight in July / Average sunshine in July - Calvert Hills, 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
Calvert Hills, MD

Average sunshine days in July - Calvert Hills, 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
Calvert Hills, MD

Average UV index in July - Calvert Hills, 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
Calvert Hills, MD

Average cloud cover in July - Calvert Hills, 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
Calvert Hills, MD

Average visibility in July - Calvert Hills, 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).

Calvert Hills, Maryland, USA

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