July weather forecast
Chambersburg, PA

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Weather in July

July typically is the warmest month in Chambersburg, Pennsylvania with a high temperature touching 83.8°F (28.8°C). Alongside, the UV Index remains at a peak, hinting at the intense sun rays. Despite the scorching sun, the city continues to be lively and buzzing. The summer heat dominates the skies with the least cloud percentage in the year. However, a walk in the city during evenings when the temperature cools down is always an enjoyable experience.

Temperature

Chambersburg records the warmest temperatures in July, averaging a high of 83.8°F (28.8°C) and a low of 62.4°F (16.9°C).

Heat index

July's mean heat index is appraised at a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as '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. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The least humid month in Chambersburg is July, with an average relative humidity of 75%.

Rainfall

In Chambersburg, during July, the rain falls for 16.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Chambersburg, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Chambersburg, the average length of the day in July is 14h and 40min.
On the first day of July, sunrise is at 5:46 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:25 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Chambersburg are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during July leads to these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the hottest time of year in Chambersburg?

July, characterized by an average high temperature of 83.8°F (28.8°C) and a low temperature of 62.4°F (16.9°C), is generally the warmest month.

How hot is it in Chambersburg in July?

In July, in Chambersburg, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in July is appraised at 91.4°F (33°C).

What is the least humid month in Chambersburg?

With an average relative humidity of 75%, July is the least humid month in Chambersburg.

What is the average humidity in July in Chambersburg?

In Chambersburg, Pennsylvania, the average relative humidity in July is 75%.

How much does it rain in Chambersburg in July?

In Chambersburg, Pennsylvania, in July, it is raining for 16.1 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Chambersburg?

In Chambersburg, snow does not fall in June through September.

What is the average length of the day in July in Chambersburg?

In July, the average day length in Chambersburg, Pennsylvania, is 14h and 40min.

When are sunrise and sunset in July in Chambersburg?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:43 pm. On the last day of the month, in Chambersburg, sunrise is at 6:09 am and sunset at 8:25 pm EDT.

What month has the most sunshine in Chambersburg?

The month with the most sunshine is July, with an average of 10.3h of sunshine.

How long on average sun shines in July in Chambersburg?

In Chambersburg, the average sunshine duration in July is 10.3h.

What is the month with the highest UV index in Chambersburg?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Chambersburg, Pennsylvania.

How high is the UV index in July in Chambersburg?

The average daily maximum UV index in July in Chambersburg is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Chambersburg, PA

Average temperature in July - Chambersburg, 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: 62.4°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in July
Chambersburg, PA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in July
Chambersburg, PA

Average wind speed in July - Chambersburg, PA
  • Average wind speed in July: 4.7mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in July
Chambersburg, PA

Average humidity in July - Chambersburg, PA
  • Average humidity in July: 75%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in July
Chambersburg, PA

Average rainfall in July - Chambersburg, PA
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in July
Chambersburg, PA

Average rainfall days in July - Chambersburg, PA
  • Average rainfall days in July: 16.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in July
Chambersburg, PA

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

The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Chambersburg, PA

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Chambersburg, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in July
Chambersburg, PA

Average sunshine days in July - Chambersburg, PA
  • Average sunshine days in July: 12.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in July
Chambersburg, PA

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

The months with the highest UV index are June and July (UV index 6).
The 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
Chambersburg, PA

Average cloud cover in July - Chambersburg, PA
  • Average cloud cover in July: 33

The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in July
Chambersburg, PA

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

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

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Chambersburg, Pennsylvania, USA

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