July weather forecast
Exton, PA

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Weather in July

July, being the hottest month in Exton, showcases a temperature range from 67.5°F (19.7°C) to 84.9°F (29.4°C). The weather is typically warm with a modest rise in humidity. Rainfall reaches its peak with averages around 1.81" (46mm), paving the way for spontaneous summer downpours. The increased sunshine hours coupled with brief showers contribute to the fresh, verdant aura of the city. Despite the heat, evenings are pleasantly warm, making them ideal for leisurely outdoor activities.

Temperature

Exton notes the warmest temperatures in July, with a high average of 84.9°F (29.4°C) and a low of 67.5°F (19.7°C).

Heat index

For most parts of July, the heat index is evaluated at a tropical 93.2°F (34°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. 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. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The months with the lowest humidity are April and July, with an average relative humidity of 73%.

Rainfall

In Exton, Pennsylvania, during July, the rain falls for 15.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 124.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

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

Sunshine

July has the most sunshine of the year, with an average of 10.5h 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 of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

Exton's warmest month, July, registers temperatures that range from a high of 84.9°F (29.4°C) to a low of 67.5°F (19.7°C).

How hot does it get in July?

In July, the average high-temperature and low-temperature are 84.9°F (29.4°C) and 67.5°F (19.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in July is evaluated at 93.2°F (34°C).

What is the least humid month?

April and July, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in July?

In July, the average relative humidity is 73%.

How much does it rain in July?

In Exton, Pennsylvania, during July, the rain falls for 15.1 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in July?

In July, the average day length in Exton is 14h and 41min.

When is the sunrise / 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?

With an average of 10.5h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In July, the average sunshine duration is 10.5h.

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.

How high is the UV index in July in Exton?

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

Average temperature in July - Exton, PA
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in July: 67.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in July
Exton, PA

Average pressure in July - Exton, PA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Exton, PA

Average wind speed in July - Exton, PA
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in July
Exton, PA

Average humidity in July - Exton, PA
  • Average humidity in July: 73%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

Average rainfall in July
Exton, PA

Average rainfall in July - Exton, PA
  • Average rainfall in July: 1.81"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in July
Exton, PA

Average rainfall days in July - Exton, PA
  • Average rainfall days in July: 15.1 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

Average snowfall in July
Exton, PA

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

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Exton, PA

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

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Exton, 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 3min

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

Average sunshine days in July
Exton, PA

Average sunshine days in July - Exton, PA
  • Average sunshine days in July: 13.7 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in July
Exton, PA

Average UV index in July - Exton, 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
Exton, PA

Average cloud cover in July - Exton, 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
Exton, PA

Average visibility in July - Exton, 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).

Exton, Pennsylvania, USA

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