July weather forecast
Chester Springs, PA

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Weather in July

July, like June, in Chester Springs, Pennsylvania, is a moderately hot summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 85.1°F (29.5°C).

Temperature

Temperature readings reach their annual highs in July, averaging 85.1°F (29.5°C) and a minimum average of 66.7°F (19.3°C).

Heat index

Throughout July, the heat index is calculated to be a torrid 95°F (35°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Consider that heat index readings are for situations in the shade and light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

April and July, with an average relative humidity of 74%, are the least humid months.

Rainfall

In July, the rain falls for 14.6 days. Throughout July, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Chester Springs.

Daylight

In Chester Springs, 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 estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Chester Springs's July weather reaches an average high of 85.1°F (29.5°C) and an average low of 66.7°F (19.3°C), making it the warmest month.

How hot is it in July?

July temperatures vary between a high-temperature of 85.1°F (29.5°C) and a low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 95°F (35°C).

What are the least humid months?

April and July, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in July?

The average relative humidity in July is 74%.

How much does it rain in July?

In Chester Springs, during July, the rain falls for 14.6 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

In Chester Springs, snow does not fall in April through October.

What is the average length of the day in July?

The average day length in July 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?

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

How long on average sun shines in July?

The average sunshine duration in July is 10.5h.

What are the months with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Chester Springs, PA

Average temperature in July - Chester Springs, PA
  • Average high temperature in July: 85.1°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in July: 66.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in July
Chester Springs, PA

Average pressure in July - Chester Springs, 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
Chester Springs, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in July
Chester Springs, PA

Average humidity in July - Chester Springs, PA
  • Average humidity in July: 74%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in July
Chester Springs, PA

Average rainfall in July - Chester Springs, PA
  • Average rainfall in July: 1.69"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in July
Chester Springs, PA

Average rainfall days in July - Chester Springs, PA
  • Average rainfall days in July: 14.6 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in July
Chester Springs, PA

Average snowfall in July - Chester Springs, PA
  • Average snowfall in July: 0"

The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Chester Springs, PA

Average snowfall days in July - Chester Springs, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Chester Springs, PA

Average daylight in July / Average sunshine in July - Chester Springs, 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 36min).

Average sunshine days in July
Chester Springs, PA

Average sunshine days in July - Chester Springs, PA
  • Average sunshine days in July: 14.2 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in July
Chester Springs, PA

Average UV index in July - Chester Springs, 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
Chester Springs, PA

Average cloud cover in July - Chester Springs, 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
Chester Springs, PA

Average visibility in July - Chester Springs, 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).

Chester Springs, Pennsylvania, USA

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