July weather forecast
Chevy Chase Section Three, MD

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Weather in July

July in Chevy Chase Section Three, Maryland, is a tropical summer month, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 87.8°F (31°C).

Temperature

In Chevy Chase Section Three, July is the warmest month, with temperatures averaging a high of 87.8°F (31°C) and a low of 69.4°F (20.8°C).

Heat index

The heat index value for July is calculated to be a fiery hot 98.6°F (37°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The least humid month in Chevy Chase Section Three, Maryland, is July, with an average relative humidity of 69%.

Rainfall

In July, the rain falls for 16.1 days. Throughout July, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Chevy Chase Section Three, there are 150.3 rainfall days, and 28.66" (728mm) of precipitation is accumulated.

Snowfall

In Chevy Chase Section Three, snow does not fall in May through October.

Daylight

The average length of the day in July is 14h and 35min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:37 pm. On the last day of July, sunrise is at 6:08 am and sunset at 8:20 pm EDT.

Sunshine

The month with the most sunshine in Chevy Chase Section Three is July, with an average of 10.7h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Chevy Chase Section Three. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in July translates into this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What part of the year is the hottest in Chevy Chase Section Three?

July is the month when Chevy Chase Section Three, Maryland, sees the average highest temperatures, with a high of 87.8°F (31°C) and a low of 69.4°F (20.8°C).

How hot does it get in Chevy Chase Section Three in July?

July temperatures in Chevy Chase Section Three, Maryland, vary between a high-temperature of 87.8°F (31°C) and a low-temperature of 69.4°F (20.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 98.6°F (37°C).

What is the least humid month in Chevy Chase Section Three?

With an average relative humidity of 69%, July is the least humid month in Chevy Chase Section Three, Maryland.

What is the average humidity in July in Chevy Chase Section Three?

In Chevy Chase Section Three, Maryland, the average relative humidity in July is 69%.

How many days does it rain in July in Chevy Chase Section Three?

In Chevy Chase Section Three, in July, during 16.1 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Chevy Chase Section Three?

In Chevy Chase Section Three, snow does not fall in May through October.

What is the average length of the day in July in Chevy Chase Section Three?

In Chevy Chase Section Three, Maryland, the average day length in July is 14h and 35min.

When is the sunrise / sunset in July in Chevy Chase Section Three?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:37 pm. On the last day of the month, in Chevy Chase Section Three, sunrise is at 6:08 am and sunset at 8:20 pm EDT.

What month has the most sunshine in Chevy Chase Section Three?

The month with the most sunshine in Chevy Chase Section Three is July, with an average of 10.7h of sunshine.

How many hours of sunshine does Chevy Chase Section Three have in July?

In July, the average sunshine duration is 10.7h.

When is the highest UV index in Chevy Chase Section Three?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Chevy Chase Section Three, Maryland.

How high is the UV index in July in Chevy Chase Section Three?

In Chevy Chase Section Three, Maryland, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Chevy Chase Section Three, MD

Average temperature in July - Chevy Chase Section Three, MD
  • Average high temperature in July: 87.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in July: 69.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in July
Chevy Chase Section Three, MD

Average pressure in July - Chevy Chase Section Three, 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 (29.95"Hg).

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Average wind speed in July
Chevy Chase Section Three, MD

Average wind speed in July - Chevy Chase Section Three, MD
  • Average wind speed in July: 5.2mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in July
Chevy Chase Section Three, MD

Average humidity in July - Chevy Chase Section Three, MD
  • Average humidity in July: 69%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in July
Chevy Chase Section Three, MD

Average rainfall in July - Chevy Chase Section Three, MD
  • Average rainfall in July: 2.95"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in July
Chevy Chase Section Three, MD

Average rainfall days in July - Chevy Chase Section Three, MD
  • Average rainfall days in July: 16.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in July
Chevy Chase Section Three, MD

Average snowfall in July - Chevy Chase Section Three, 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 and October (0").

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Average snowfall days in July
Chevy Chase Section Three, MD

Average snowfall days in July - Chevy Chase Section Three, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (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 daylight in July /
Average sunshine in July
Chevy Chase Section Three, MD

Average daylight in July / Average sunshine in July - Chevy Chase Section Three, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).

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Average sunshine days in July
Chevy Chase Section Three, MD

Average sunshine days in July - Chevy Chase Section Three, MD
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).

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Average UV index in July
Chevy Chase Section Three, MD

Average UV index in July - Chevy Chase Section Three, 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, November and December (UV index 2).

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Average cloud cover in July
Chevy Chase Section Three, MD

Average cloud cover in July - Chevy Chase Section Three, MD
  • Average cloud cover in July: 31

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Chevy Chase Section Three, MD

Average visibility in July - Chevy Chase Section Three, MD
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Chevy Chase Section Three, Maryland, USA

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