July weather forecast
Germantown, MD

Weather in July

July is a tropical summer month in Germantown, Maryland, with an average temperature ranging between max 86.5°F (30.3°C) and min 66.9°F (19.4°C).

Temperature

With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 66.9°F (19.4°C), July is the warmest month.

Heat index

The average heat index in July is estimated at a very hot 96.8°F (36°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like pregnancy, clothing, differences in body mass, height, and shape, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

July is the least humid month, with an average relative humidity of 72%.

Rainfall

In July, in Germantown, the rain falls for 16.9 days. Throughout July, 2.99" (76mm) of precipitation is accumulated. In Germantown, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.

Snowfall

In Germantown, snow does not fall in June through October.

Daylight

In July, the average length of the day in Germantown is 14h and 36min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:39 pm. On the last day of July, in Germantown, sunrise is at 6:08 am and sunset at 8:22 pm EDT.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Germantown?

July is the warmest month in Germantown, Maryland, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 66.9°F (19.4°C).

What is the temperature in July in Germantown?

In July, in Germantown, Maryland, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 96.8°F (36°C).

What is the least humid month in Germantown?

The least humid month in Germantown is July, with an average relative humidity of 72%.

What is the average humidity in July in Germantown?

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

How much does it rain in Germantown in July?

In Germantown, Maryland, in July, it is raining for 16.9 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in Germantown?

June through October are months without snowfall in Germantown, Maryland.

How many hours of daylight does Germantown have in July?

The average day length in July is 14h and 36min.

When are sunrise and sunset in July in Germantown?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:39 pm. On the last day of the month, in Germantown, sunrise is at 6:08 am and sunset at 8:22 pm EDT.

What month has the most sunshine in Germantown?

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

How long on average sun shines in July in Germantown?

The average sunshine duration in July is 10.9h.

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

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

What is the UV index intensity in July in Germantown?

In Germantown, Maryland, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Germantown, MD

Average temperature in July - Germantown, MD
  • Average high temperature in July: 86.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in July
Germantown, MD

Average pressure in July - Germantown, 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
Germantown, MD

Average wind speed in July - Germantown, MD
  • Average wind speed in July: 4.8mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in July
Germantown, MD

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

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in July
Germantown, MD

Average rainfall in July - Germantown, MD
  • Average rainfall in July: 2.99"

The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").

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Average rainfall days in July
Germantown, MD

Average rainfall days in July - Germantown, MD
  • Average rainfall days in July: 16.9 days

The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).

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Average snowfall in July
Germantown, MD

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

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Germantown, MD

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

The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Germantown, MD
  • Average daylight in July: 14h and 36min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in July: 10h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in July
Germantown, MD

Average sunshine days in July - Germantown, MD
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in July
Germantown, MD

Average UV index in July - Germantown, 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
Germantown, MD

Average cloud cover in July - Germantown, MD
  • Average cloud cover in July: 30

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in July
Germantown, MD

Average visibility in July - Germantown, 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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