July weather forecast
Quarryville, PA

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Weather in July

July, like June, in Quarryville, Pennsylvania, is another warm summer month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 65.8°F (18.8°C).

Temperature

July is the warmest month, with the temperature often reaching an average high of 83.5°F (28.6°C) and an average low of 65.8°F (18.8°C).

Heat index

July's average heat index is calculated to be a hot 91.4°F (33°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.

Humidity

In July, the average relative humidity is 79%.

Rainfall

In Quarryville, in July, it is raining for 17.6 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 156.5 rainfall days, and 28.74" (730mm) of precipitation is accumulated.

Snowfall

In Quarryville, snow does not fall in May through September.

Daylight

The average length of the day in July is 14h and 40min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:37 pm. On the last day of July, sunrise is at 6:03 am and sunset at 8:18 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.6h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What part of the year is the hottest?

Quarryville's temperatures peak on average in July, reaching 83.5°F (28.6°C) at their highest and 65.8°F (18.8°C) at their lowest.

How hot is July?

The high-temperature, in July, in Quarryville, is 83.5°F (28.6°C), while the low-temperature averages to 65.8°F (18.8°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in July?

The average relative humidity in July is 79%.

How much does it rain in July?

In Quarryville, in July, during 17.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow?

May 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 40min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:40 am and sunset at 8:37 pm. On the last day of the month, in Quarryville, sunrise is at 6:03 am and sunset at 8:18 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.6h.

When is the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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
Quarryville, PA

Average temperature in July - Quarryville, 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 (36°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 (23.9°F).

Average pressure in July
Quarryville, PA

Average pressure in July - Quarryville, PA
  • Average pressure in July: 29.97"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
Quarryville, PA

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

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in July
Quarryville, PA

Average humidity in July - Quarryville, PA
  • Average humidity in July: 79%

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

Average rainfall in July
Quarryville, PA

Average rainfall in July - Quarryville, PA
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is February (1.89").

Average rainfall days in July
Quarryville, PA

Average rainfall days in July - Quarryville, PA
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in July
Quarryville, PA

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

The month with the highest snowfall is March (4.02").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Quarryville, PA

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

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Quarryville, 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 42min).

Average sunshine days in July
Quarryville, PA

Average sunshine days in July - Quarryville, PA
  • Average sunshine days in July: 11.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in July
Quarryville, PA

Average UV index in July - Quarryville, 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, November and December (UV index 2).

Average cloud cover in July
Quarryville, PA

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

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in July
Quarryville, PA

Average visibility in July - Quarryville, PA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).

Quarryville, Pennsylvania, USA

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