July weather forecast
Plum, PA

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Weather in July

July, like June, in Plum, Pennsylvania, is a moderately hot summer month, with an average temperature ranging between max 82.9°F (28.3°C) and min 61.3°F (16.3°C).

Temperature

July, recording an average high temperature of 82.9°F (28.3°C) and a low temperature of 61.3°F (16.3°C), is Plum's warmest month.

Heat index

For most parts of July, the heat index is calculated to be a hot 89.6°F (32°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly 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

The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.

Rainfall

In Plum, in July, during 18.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Plum, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

June through September are months without snowfall in Plum.

Daylight

In July, the average length of the day is 14h and 44min.
On the first day of July, sunrise is at 5:52 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:34 pm EDT.

Sunshine

The average sunshine in July is 10h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the warmest month?

Temperature records mark July as the warmest month, with highs averaging 82.9°F (28.3°C) and lows at 61.3°F (16.3°C).

How hot does it get in July?

In July, the average high-temperature and low-temperature are 82.9°F (28.3°C) and 61.3°F (16.3°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What are the least humid months?

The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.

What is the average humidity in July?

In Plum, the average relative humidity in July is 76%.

How many days does it rain in July?

In Plum, in July, during 18.3 rainfall days, 3.23" (82mm) 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 44min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:52 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:34 pm EDT.

How long on average sun shines in July?

In Plum, the average sunshine duration in July is 10h.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes 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
Plum, PA

Average temperature in July - Plum, PA
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in July: 61.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in July
Plum, PA

Average pressure in July - Plum, PA
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Plum, PA

Average wind speed in July - Plum, PA
  • Average wind speed in July: 4.8mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in July
Plum, PA

Average humidity in July - Plum, PA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in July
Plum, PA

Average rainfall in July - Plum, PA
  • Average rainfall in July: 3.23"

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in July
Plum, PA

Average rainfall days in July - Plum, PA
  • Average rainfall days in July: 18.3 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in July
Plum, PA

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

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Plum, PA

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

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Plum, 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 18min).

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in July
Plum, PA

Average sunshine days in July - Plum, PA
  • Average sunshine days in July: 10.3 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in July
Plum, PA

Average UV index in July - Plum, PA
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Plum, PA

Average cloud cover in July - Plum, PA
  • Average cloud cover in July: 36

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Plum, PA

Average visibility in July - Plum, PA
  • Average visibility in July: 5mi

The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).

Plum, Pennsylvania, USA

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