July weather forecast
Lionville, PA

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Weather in July

July, the same as June, is a moderately hot summer month in Lionville, Pennsylvania, with an average temperature varying between 84°F (28.9°C) and 66.2°F (19°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 84°F (28.9°C) and a low of 66.2°F (19°C).

Heat index

July's heat index is appraised at a hot 93.2°F (34°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In July, the average relative humidity is 77%.

Rainfall

In Lionville, in July, during 16.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Lionville, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day in Lionville is 14h and 41min.
On the first day of July, sunrise is at 5:37 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:17 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.6h 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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July, having an average high-temperature of 84°F (28.9°C) and an average low-temperature of 66.2°F (19°C), is the warmest month.

How hot is July?

The average high-temperature and low-temperature during July are 84°F (28.9°C) and 66.2°F (19°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 93.2°F (34°C).

What is the average humidity in July in Lionville?

In July, the average relative humidity is 77%.

How many days does it rain in July?

In Lionville, in July, during 16.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When it does not snow?

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

How many hours of daylight does Lionville have 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 5:37 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:17 pm EDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

How long on average sun shines in July?

In Lionville, the average sunshine duration in July is 10.6h.

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?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe 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
Lionville, PA

Average temperature in July - Lionville, PA
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in July: 66.2°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in July
Lionville, PA

Average pressure in July - Lionville, 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
Lionville, PA

Average wind speed in July - Lionville, PA
  • Average wind speed in July: 5.2mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in July
Lionville, PA

Average humidity in July - Lionville, PA
  • Average humidity in July: 77%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in July
Lionville, PA

Average rainfall in July - Lionville, PA
  • Average rainfall in July: 2.64"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in July
Lionville, PA

Average rainfall days in July - Lionville, PA
  • Average rainfall days in July: 16.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in July
Lionville, PA

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

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Lionville, PA

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

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Lionville, 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 4min

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

Average sunshine days in July
Lionville, PA

Average sunshine days in July - Lionville, PA
  • Average sunshine days in July: 12.9 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in July
Lionville, PA

Average UV index in July - Lionville, 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
Lionville, PA

Average cloud cover in July - Lionville, PA
  • Average cloud cover in July: 32

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

Average visibility in July
Lionville, PA

Average visibility in July - Lionville, 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).

Lionville, Pennsylvania, USA

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