July weather forecast
Crestwood, MD

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Weather in July

July, like June, in Crestwood, Maryland, is another warm summer month, with an average temperature varying between 85.6°F (29.8°C) and 70°F (21.1°C).

Temperature

July, with its average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 70°F (21.1°C), holds the record as the warmest month.

Heat index

The heat index in July is estimated at a very hot 95°F (35°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. 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 in Crestwood are April and July, with an average relative humidity of 72%.

Rainfall

In Crestwood, Maryland, in July, during 16.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Crestwood, Maryland, during the entire year, the rain falls for 156.3 days and collects up to 29.61" (752mm) of precipitation.

Snowfall

April through October are months without snowfall in Crestwood.

Daylight

In July, the average length of the day is 14h and 37min.
On the first day of July in Crestwood, Maryland, sunrise is at 5:44 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:19 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Crestwood are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In July, an average UV index of 6 transforms into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What time of the year is the hottest in Crestwood?

July is the warmest month in Crestwood, with the temperature often reaching an average high of 85.6°F (29.8°C) and an average low of 70°F (21.1°C).

How hot is July in Crestwood?

The average high-temperature, in July, in Crestwood, is 85.6°F (29.8°C), while the average low-temperature is 70°F (21.1°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 95°F (35°C).

What are the least humid months in Crestwood?

The months with the lowest humidity are April and July, with an average relative humidity of 72%.

What is the average humidity in July in Crestwood?

In Crestwood, Maryland, the average relative humidity in July is 72%.

How many days does it rain in July in Crestwood?

In July, in Crestwood, the rain falls for 16.8 days. Throughout July, 3.43" (87mm) of precipitation is accumulated.

When it does not snow in Crestwood?

In Crestwood, snow does not fall in April through October.

What is the average length of the day in July in Crestwood?

The average day length in July in Crestwood, Maryland, is 14h and 37min.

What time are sunrise and sunset in July in Crestwood?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:36 pm. On the last day of the month, in Crestwood, sunrise is at 6:06 am and sunset at 8:19 pm EDT.

What month has the most sunshine in Crestwood?

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

How long on average sun shines in July in Crestwood?

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

What are the months with the highest UV index in Crestwood?

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

How high is the UV index in July in Crestwood?

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

Average temperature in July - Crestwood, MD
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.8°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 (27.3°F).

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Average pressure in July
Crestwood, MD

Average pressure in July - Crestwood, 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
Crestwood, MD

Average wind speed in July - Crestwood, MD
  • Average wind speed in July: 5.7mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in July
Crestwood, MD

Average humidity in July - Crestwood, MD
  • Average humidity in July: 72%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in July
Crestwood, MD

Average rainfall in July - Crestwood, MD
  • Average rainfall in July: 3.43"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

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Average rainfall days in July
Crestwood, MD

Average rainfall days in July - Crestwood, MD
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in July
Crestwood, MD

Average snowfall in July - Crestwood, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (2.24").
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
Crestwood, MD

Average snowfall days in July - Crestwood, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Crestwood, 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 6min).

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Average sunshine days in July
Crestwood, MD

Average sunshine days in July - Crestwood, MD
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in July
Crestwood, MD

Average UV index in July - Crestwood, 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, November and December (UV index 2).

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Average cloud cover in July
Crestwood, MD

Average cloud cover in July - Crestwood, MD
  • Average cloud cover in July: 29

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in July
Crestwood, MD

Average visibility in July - Crestwood, 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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Crestwood, Maryland, USA

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