July weather forecast
Crownsville, MD

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Weather in July

July, like June, in Crownsville, Maryland, is a moderately hot summer month, with temperature in the range of an average low of 70.7°F (21.5°C) and an average high of 85.6°F (29.8°C).

Temperature

July is the month when Crownsville experiences its warmest temperatures, averaging a high of 85.6°F (29.8°C) and a low of 70.7°F (21.5°C).

Heat index

In July, the heat index is calculated to be a torrid 95°F (35°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In Crownsville, the average relative humidity in July is 73%.

Rainfall

In Crownsville, Maryland, in July, during 15.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, in Crownsville, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Crownsville.

Daylight

In Crownsville, the average length of the day in July is 14h and 35min.
On the first day of July in Crownsville, 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 8:18 pm EDT.

Sunshine

July has the most sunshine of the year in Crownsville, 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 exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the warmest months in Crownsville?

July proves to be the warmest month, recording an average peak temperature of 85.6°F (29.8°C) and a minimum temperature of 70.7°F (21.5°C).

How hot is July in Crownsville?

In Crownsville, 85.6°F (29.8°C) is the average high-temperature and 70.7°F (21.5°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 95°F (35°C).

What is the average humidity in July in Crownsville?

In Crownsville, Maryland, the average relative humidity in July is 73%.

How much does it rain in Crownsville in July?

In Crownsville, during July, the rain falls for 15.5 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Crownsville?

In Crownsville, snow does not fall in May through October.

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

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

When is the sunrise / sunset in July in Crownsville?

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 Crownsville, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

What month has the most sunshine in Crownsville?

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

How long on average sun shines in July in Crownsville?

The average sunshine duration in July in Crownsville, Maryland, is 10.9h.

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

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

How high is the UV index in July in Crownsville?

The average daily maximum UV index in July in Crownsville is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Crownsville, MD

Average temperature in July - Crownsville, 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 (39.6°F).

  • Average low temperature in July: 70.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in July
Crownsville, MD

Average pressure in July - Crownsville, 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
Crownsville, MD

Average wind speed in July - Crownsville, MD
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in July
Crownsville, MD

Average humidity in July - Crownsville, MD
  • Average humidity in July: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in July
Crownsville, MD

Average rainfall in July - Crownsville, MD
  • Average rainfall in July: 3.23"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in July
Crownsville, MD

Average rainfall days in July - Crownsville, MD
  • Average rainfall days in July: 15.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in July
Crownsville, MD

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Crownsville, MD

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

The month with the highest number of snowfall days is January (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
Crownsville, MD

Average daylight in July / Average sunshine in July - Crownsville, 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
Crownsville, MD

Average sunshine days in July - Crownsville, MD
  • Average sunshine days in July: 13.8 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in July
Crownsville, MD

Average UV index in July - Crownsville, 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
Crownsville, MD

Average cloud cover in July - Crownsville, MD
  • Average cloud cover in July: 28

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in July
Crownsville, MD

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

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