July weather forecast
Frederick, MD

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A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland
A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland

Weather in July

July is the peak of Summer in Frederick, with temperatures rising to an average high of 85.6°F (29.8°C), the highest of the year. This month is hot, yet balanced with seemingly longer daylight hours, facilitating summer activities till late. Due to the soaring temperatures, rainfall tends to drop, ensuring clear, sunny days. The season's characteristically low wind speeds and warm temperatures make for an ideal beach climate. Amidst the summer warmth, the high-pressure system dominates, making the weather comfortably dry and sunny.

Temperature

July, having an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 64.9°F (18.3°C), is the warmest month in Frederick.

Heat index

The heat index value during July is computed to be a torrid 96.8°F (36°C). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The least humid month in Frederick is July, with an average relative humidity of 74%.

Rainfall

In Frederick, in July, during 16.7 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, there are 159.7 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July is 14h and 38min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:40 pm. On the last day of July, in Frederick, Maryland, sunrise is at 6:09 am and sunset at 8:22 pm EDT.

Sunshine

July has the most sunshine of the year in Frederick, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index in Frederick are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in July translates into these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the warmest month in Frederick?

The warmest period in Frederick, Maryland, tends to be July, when average temperatures fluctuate between a high of 85.6°F (29.8°C) and a low of 64.9°F (18.3°C).

How hot does it get in Frederick in July?

In July, in Frederick, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 64.9°F (18.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 96.8°F (36°C).

What is the least humid month in Frederick?

July is the least humid month in Frederick, Maryland, with an average relative humidity of 74%.

What is the average humidity in July in Frederick?

The average relative humidity in July is 74%.

How much does it rain in Frederick in July?

In July, in Frederick, Maryland, the rain falls for 16.7 days. Throughout July, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Frederick?

In Frederick, Maryland, snow does not fall in June through October.

How many hours of daylight does Frederick have in July?

The average day length in July in Frederick is 14h and 38min.

When are sunrise and sunset in July in Frederick?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:40 pm. On the last day of the month, in Frederick, sunrise is at 6:09 am and sunset at 8:22 pm EDT.

What month has the most sunshine in Frederick?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How many hours of sunshine does Frederick have in July?

The average sunshine duration in July in Frederick, Maryland, is 10.6h.

What is the month with the highest UV index in Frederick?

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

How high is the UV index in July in Frederick?

The average daily maximum UV index in July in Frederick is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Frederick, MD

Average temperature in July - Frederick, 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 (37.6°F).

  • Average low temperature in July: 64.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in July
Frederick, MD

Average pressure in July - Frederick, 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
Frederick, MD

Average wind speed in July - Frederick, MD
  • Average wind speed in July: 4.7mph

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 (4.7mph).

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Average humidity in July
Frederick, MD

Average humidity in July - Frederick, MD
  • Average humidity in July: 74%

The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in July
Frederick, MD

Average rainfall in July - Frederick, MD
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in July
Frederick, MD

Average rainfall days in July - Frederick, MD
  • Average rainfall days in July: 16.7 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in July
Frederick, MD

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

The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Frederick, MD

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

The months with the highest number of snowfall days are January and February (6.3 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
Frederick, MD

Average daylight in July / Average sunshine in July - Frederick, 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 24min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Frederick, MD

Average sunshine days in July - Frederick, MD
  • Average sunshine days in July: 12 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in July
Frederick, MD

Average UV index in July - Frederick, 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
Frederick, MD

Average cloud cover in July - Frederick, MD
  • Average cloud cover in July: 32

The months with the most cloud cover are January, February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in July
Frederick, MD

Average visibility in July - Frederick, MD
  • Average visibility in July: 6mi

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

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Frederick, Maryland, USA

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