July weather forecast
Catonsville, MD

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Weather in July

July, the same as June, is a moderately hot summer month in Catonsville, Maryland, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 68.7°F (20.4°C).

Temperature

The month of July, characterized by an average high of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C), is recognized as the warmest.

Heat index

The heat index for July is estimated at a fiery hot 95°F (35°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. 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 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

July is the least humid month, with an average relative humidity of 71%.

Rainfall

In Catonsville, in July, it is raining for 17.7 days, with typically 3.19" (81mm) of accumulated precipitation. In Catonsville, Maryland, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Catonsville. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What are the warmest months in Catonsville?

Catonsville's temperature records reveal July as the warmest month, marked by average highs of 85.6°F (29.8°C) and lows of 68.7°F (20.4°C).

Is it hot in Catonsville during July?

Catonsville in July has an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 68.7°F (20.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 95°F (35°C).

What is the least humid month in Catonsville?

July is the least humid month in Catonsville, Maryland, with an average relative humidity of 71%.

What is the average humidity in July in Catonsville?

The average relative humidity in July in Catonsville, Maryland, is 71%.

How many days does it rain in July in Catonsville?

In July, in Catonsville, Maryland, the rain falls for 17.7 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

When it does not snow in Catonsville?

In Catonsville, Maryland, snow does not fall in May through October.

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

The average day length in July in Catonsville is 14h and 37min.

When is the sunrise / sunset in July in Catonsville?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:37 pm. On the last day of the month, in Catonsville, Maryland, sunrise is at 6:06 am and sunset at 8:19 pm EDT.

What month has the most sunshine in Catonsville?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Catonsville, Maryland.

How many hours of sunshine does Catonsville have in July?

In July, the average sunshine duration in Catonsville, Maryland, is 10.8h.

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

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 Catonsville?

In Catonsville, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Catonsville, MD

Average temperature in July - Catonsville, 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 (38.1°F).

  • Average low temperature in July: 68.7°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in July
Catonsville, MD

Average pressure in July - Catonsville, 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
Catonsville, MD

Average wind speed in July - Catonsville, MD
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Catonsville, MD

Average humidity in July - Catonsville, MD
  • Average humidity in July: 71%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in July
Catonsville, MD

Average rainfall in July - Catonsville, MD
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in July
Catonsville, MD

Average rainfall days in July - Catonsville, MD
  • Average rainfall days in July: 17.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in July
Catonsville, MD

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

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Catonsville, MD

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

The month with the highest number of snowfall days is January (4.9 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
Catonsville, MD

Average daylight in July / Average sunshine in July - Catonsville, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in July
Catonsville, MD

Average sunshine days in July - Catonsville, MD
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in July
Catonsville, MD

Average UV index in July - Catonsville, 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
Catonsville, MD

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

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in July
Catonsville, MD

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

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