July weather forecast
Mortonville, PA

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Weather in July

July, like June, in Mortonville, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.5°F (28.6°C).

Temperature

July, on average, is the warmest month, registering a high temperature of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C).

Heat index

The heat index value during July is estimated at a tropical 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Mortonville, Pennsylvania, the average relative humidity in July is 78%.

Rainfall

In Mortonville, during July, the rain falls for 16.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Mortonville, Pennsylvania, during the entire year, the rain falls for 138.3 days and collects up to 19.76" (502mm) of precipitation.

Snowfall

In Mortonville, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 41min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:35 pm. On the last day of July, sunrise is at 6:01 am and sunset at 8:17 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 estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July is the month when Mortonville sees the average highest temperatures, with a high of 83.5°F (28.6°C) and a low of 65.8°F (18.8°C).

How hot is it in July?

During July, Mortonville experiences an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 65.8°F (18.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 91.4°F (33°C).

What is the average humidity in July?

In July, the average relative humidity is 78%.

How much does it rain in July?

In Mortonville, in July, during 16.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

The average day length in July is 14h and 41min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:17 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Mortonville have in July?

The average sunshine duration in July is 10.4h.

What are the months with the highest UV index?

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

What is the UV index reading in July?

In Mortonville, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Mortonville, PA

Average temperature in July - Mortonville, PA
  • Average high temperature in July: 83.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in July
Mortonville, PA

Average pressure in July - Mortonville, PA
  • 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
Mortonville, PA

Average wind speed in July - Mortonville, PA
  • Average wind speed in July: 5.3mph

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

Average humidity in July
Mortonville, PA

Average humidity in July - Mortonville, PA
  • Average humidity in July: 78%

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

Average rainfall in July
Mortonville, PA

Average rainfall in July - Mortonville, PA
  • Average rainfall in July: 2.17"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in July
Mortonville, PA

Average rainfall days in July - Mortonville, PA
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in July
Mortonville, PA

Average snowfall in July - Mortonville, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Mortonville, PA

Average snowfall days in July - Mortonville, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Mortonville, PA

Average daylight in July / Average sunshine in July - Mortonville, PA
  • Average daylight in July: 14h and 4min

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 24min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in July
Mortonville, PA

Average sunshine days in July - Mortonville, PA
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in July
Mortonville, PA

Average UV index in July - Mortonville, PA
  • 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, March, November and December (UV index 2).

Average cloud cover in July
Mortonville, PA

Average cloud cover in July - Mortonville, PA
  • Average cloud cover in July: 33

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in July
Mortonville, PA

Average visibility in July - Mortonville, PA
  • 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).

Mortonville, Pennsylvania, USA

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