July weather forecast
Patapsco, MD

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Weather in July

July, like June, in Patapsco, Maryland, is another warm summer month, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.7°F (18.7°C).

Temperature

In Patapsco, temperatures reach their average annual highs in July, measuring 83.8°F (28.8°C) and a minimum average of 65.7°F (18.7°C).

Heat index

The heat index value for July is calculated to be a hot 91.4°F (33°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. 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 'felt air temperature' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

January, April, July and November, with an average relative humidity of 76%, are the least humid months.

Rainfall

In Patapsco, Maryland, in July, it is raining for 17.4 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 158.9 rainfall days, and 32.68" (830mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 38min.
On the first day of July in Patapsco, sunrise is at 5:44 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:21 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

With an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.7°F (18.7°C), July is the warmest month.

How hot is it in July?

During July, Patapsco experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 65.7°F (18.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is calculated to be 91.4°F (33°C).

What are the least humid months?

The months with the lowest humidity are January, April, July and November, with an average relative humidity of 76%.

What is the average humidity in July?

In July, the average relative humidity is 76%.

How many days does it rain in July?

In Patapsco, during July, the rain falls for 17.4 days and regularly aggregates up to 3.39" (86mm) of precipitation.

When it does not snow?

In Patapsco, snow does not fall in May through September.

What is the average length of the day in July?

In Patapsco, the average day length in July is 14h and 38min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:21 pm EDT.

What month has the most sunshine?

With an average of 10.4h of sunshine, July has the most sunshine of the year in Patapsco.

How long on average sun shines in July?

In Patapsco, the average sunshine duration in July is 10.4h.

What are the months with the highest UV index?

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

How high is the UV index in July?

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

Average temperature in July - Patapsco, MD
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in July
Patapsco, MD

Average pressure in July - Patapsco, 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).

Average wind speed in July
Patapsco, MD

Average wind speed in July - Patapsco, MD
  • Average wind speed in July: 5.3mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in July
Patapsco, MD

Average humidity in July - Patapsco, MD
  • Average humidity in July: 76%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).

Average rainfall in July
Patapsco, MD

Average rainfall in July - Patapsco, MD
  • Average rainfall in July: 3.39"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").

Average rainfall days in July
Patapsco, MD

Average rainfall days in July - Patapsco, MD
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in July
Patapsco, MD

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Patapsco, MD

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Patapsco, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in July
Patapsco, MD

Average sunshine days in July - Patapsco, MD
  • Average sunshine days in July: 11.6 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in July
Patapsco, MD

Average UV index in July - Patapsco, 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).

Average cloud cover in July
Patapsco, MD

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

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in July
Patapsco, MD

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

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

Patapsco, Maryland, USA

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