July weather forecast and climate
Harrisburg, PA

A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania
A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania

Weather in July

July, the same as June, is a moderately hot summer month in Harrisburg, Pennsylvania, with average temperature varying between 63.5°F (17.5°C) and 83.8°F (28.8°C).

Temperature

The warmest month is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 63.5°F (17.5°C).

Heat index

The average heat index is estimated at a hot 92.1°F (33.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the 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 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July is 76%.

Rainfall

In July, in Harrisburg, the rain falls for 13.8 days. Throughout July, 1.26" (32mm) of precipitation is accumulated. Throughout the year, in Harrisburg, there are 122.3 rainfall days, and 11.73" (298mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Harrisburg.

Daylight

The average length of the day in July is 14.7h.

Sunshine

The month with the most sunshine is July, with an average of 10.5h of sunshine.

UV index

May through July, 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 health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Harrisburg?

July is the warmest month in Harrisburg, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 63.5°F (17.5°C).

What is the temperature in July in Harrisburg?

In Harrisburg, Pennsylvania, in July, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 63.5°F (17.5°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), that combines both air temperature and relative humidity, is calculated to 92.1°F (33.4°C).

What is the average humidity in July in Harrisburg?

In July, the average relative humidity is 76%.

How many days does it rain in July in Harrisburg?

In Harrisburg, in July, it is raining for 13.8 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Harrisburg?

May through October are months without snowfall in Harrisburg, Pennsylvania.

How many hours of daylight does Harrisburg have in July?

In Harrisburg, the average length of the day in July is 14.7h.

What month has the most sunshine in Harrisburg?

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

How long on average sun shines in July in Harrisburg?

In Harrisburg, Pennsylvania, the average sunshine in July is 10.5h.

What are the months with the highest UV index in Harrisburg?

Months with the highest UV index in Harrisburg, Pennsylvania, are May through July, with an average maximum UV index of 6.

What is the UV index intensity in July in Harrisburg?

The average daily maximum UV index in July in Harrisburg, Pennsylvania, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in July
Harrisburg, PA

Average temperature in July - Harrisburg, PA
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in July: 63.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in July
Harrisburg, PA

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

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

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Average wind speed in July
Harrisburg, PA

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

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in July
Harrisburg, PA

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

The month with the highest relative humidity is February (80%).
Months with the lowest relative humidity are March and April (75%).

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Average rainfall in July
Harrisburg, PA

Average rainfall in July - Harrisburg, PA
  • Average rainfall in July: 1.26"

The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").

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Average rainfall days in July
Harrisburg, PA

Average rainfall days in July - Harrisburg, PA
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in July
Harrisburg, PA

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

The month with the highest snowfall is February (1.3").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Harrisburg, PA

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

The month with the highest number of snowfall days is January (6.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Harrisburg, PA
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 10.5h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in July
Harrisburg, PA

Average sunshine days in July - Harrisburg, PA
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).

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Average UV index in July
Harrisburg, PA

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

Months with the highest UV index are May, June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in July
Harrisburg, PA

Average cloud cover in July - Harrisburg, PA
  • Average cloud cover in July: 31

Months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Harrisburg, PA

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

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

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