July weather forecast
South River Heights, MD

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Weather in July

July, the same as June, is a moderately hot summer month in South River Heights, Maryland, with an average temperature fluctuating between 72°F (22.2°C) and 84.7°F (29.3°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 84.7°F (29.3°C) and a low of 72°F (22.2°C).

Heat index

The heat index in July is evaluated at a tropical 93.2°F (34°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In July, the average relative humidity is 74%.

Rainfall

In South River Heights, in July, during 14.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In South River Heights, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In South River Heights, the average length of the day in July is 14h and 35min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of July, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year in South River Heights.

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 threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the hottest time of year?

July is the month when South River Heights's temperatures reach their peak, with averages of 84.7°F (29.3°C) and lows of 72°F (22.2°C).

How hot is July?

In July, in South River Heights, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 72°F (22.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 93.2°F (34°C).

What is the average humidity in July?

In South River Heights, the average relative humidity in July is 74%.

How much does it rain in July?

In July, the rain falls for 14.3 days. Throughout July, 1.54" (39mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does South River Heights have in July?

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

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year in South River Heights.

How many hours of sunshine does South River Heights have in July?

In July, the average sunshine duration is 10.8h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

In South River Heights, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat 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
South River Heights, MD

Average temperature in July - South River Heights, MD
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in July: 72°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in July
South River Heights, MD

Average pressure in July - South River Heights, MD
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
South River Heights, MD

Average wind speed in July - South River Heights, MD
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in July
South River Heights, MD

Average humidity in July - South River Heights, MD
  • Average humidity in July: 74%

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

Average rainfall in July
South River Heights, MD

Average rainfall in July - South River Heights, MD
  • Average rainfall in July: 1.54"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in July
South River Heights, MD

Average rainfall days in July - South River Heights, MD
  • Average rainfall days in July: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in July
South River Heights, MD

Average snowfall in July - South River Heights, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
South River Heights, MD

Average snowfall days in July - South River Heights, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
South River Heights, MD

Average daylight in July / Average sunshine in July - South River Heights, 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).

Average sunshine days in July
South River Heights, MD

Average sunshine days in July - South River Heights, MD
  • Average sunshine days in July: 13.9 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in July
South River Heights, MD

Average UV index in July - South River Heights, 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 and December (UV index 2).

Average cloud cover in July
South River Heights, MD

Average cloud cover in July - South River Heights, 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).

Average visibility in July
South River Heights, MD

Average visibility in July - South River Heights, 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).

South River Heights, Maryland, USA

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