July weather forecastChevy Chase Heights, PA

July

Weather in July

July, the same as June, is a moderately hot summer month in Chevy Chase Heights, Pennsylvania, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 81.1°F (27.3°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 59.4°F (15.2°C).

Heat index

July's average heat index is calculated to be a hot 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The months with the lowest humidity are April, June through August, with an average relative humidity of 78%.

Rainfall

In Chevy Chase Heights, in July, during 19.6 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Chevy Chase Heights, there are 183.5 rainfall days, and 33.46" (850mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 44min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:51 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:32 pm EDT.

Sunshine

July and August, with an average of 9.8h of sunshine, are months with the most sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 5 in July suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 59.4°F (15.2°C), July is the warmest month.

In Chevy Chase Heights, in July, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 59.4°F (15.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

The months with the lowest humidity in Chevy Chase Heights are April, June through August, with an average relative humidity of 78%.

The average relative humidity in July is 78%.

In July, the rain falls for 19.6 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

In Chevy Chase Heights, snow does not fall in June through September.

In July, the average day length in Chevy Chase Heights is 14h and 44min.

In July, on the first day of the month, sunrise is at 5:49 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:32 pm EDT.

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

In Chevy Chase Heights, the average sunshine duration in July is 9.8h.

The months with the highest UV index in Chevy Chase Heights are May through August, with an average maximum UV index of 5.

In Chevy Chase Heights, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

76.1°F

81.1°F

79.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.8mph

5.8mph

5.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

18.8

19.6

17.9

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.3

9.7

10.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Chevy Chase Heights, PA

Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

Average low temperature in July: 59.4°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in July
Chevy Chase Heights, PA

Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Chevy Chase Heights, PA

Average wind speed in July: 5.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in July
Chevy Chase Heights, PA

Average humidity in July: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in July
Chevy Chase Heights, PA

Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in July
Chevy Chase Heights, PA

Average rainfall days in July: 19.6 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in July
Chevy Chase Heights, PA

Average snowfall in July: 0"

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Chevy Chase Heights, PA

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Chevy Chase Heights, PA

Average daylight in July: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

Average sunshine in July: 9h and 48min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).