July weather forecast
Dayton, PA

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Weather in July

July, the same as June, is a moderately hot summer month in Dayton, Pennsylvania, with an average temperature fluctuating between 58.8°F (14.9°C) and 81°F (27.2°C).

Temperature

The warmest period tends to be July, when average temperatures fluctuate between a high of 81°F (27.2°C) and a low of 58.8°F (14.9°C).

Heat index

July's average heat index is computed to be a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

June through August, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Dayton, Pennsylvania, in July, it is raining for 15.9 days, with typically 1.81" (46mm) of accumulated precipitation. In Dayton, during the entire year, the rain falls for 151.9 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

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

Daylight

In Dayton, the average length of the day in July is 14h and 46min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:52 pm. On the last day of July, sunrise is at 6:13 am and sunset at 8:33 pm EDT.

Sunshine

July and August, with an average of 9.6h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the UV index of 5 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

July stands out as Dayton's warmest month, with temperatures ranging between an average high of 81°F (27.2°C) and a low of 58.8°F (14.9°C).

What is the average July temperature?

July temperatures vary between a high-temperature of 81°F (27.2°C) and a low-temperature of 58.8°F (14.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the least humid month?

June through August, with an average relative humidity of 78%, are the least humid months.

What is the average humidity in July?

In Dayton, the average relative humidity in July is 78%.

How much does it rain in July?

In July, the rain falls for 15.9 days. Throughout July, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In Dayton, the average day length in July is 14h and 46min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:49 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:33 pm EDT.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.6h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 9.6h.

When is the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in July?

In Dayton, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Dayton, PA

Average temperature in July - Dayton, PA
  • Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in July: 58.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in July
Dayton, PA

Average pressure in July - Dayton, 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
Dayton, PA

Average wind speed in July - Dayton, PA
  • Average wind speed in July: 5.6mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in July
Dayton, PA

Average humidity in July - Dayton, PA
  • Average humidity in July: 78%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in July
Dayton, PA

Average rainfall in July - Dayton, PA
  • Average rainfall in July: 1.81"

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in July
Dayton, PA

Average rainfall days in July - Dayton, PA
  • Average rainfall days in July: 15.9 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in July
Dayton, PA

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

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Dayton, PA

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

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Dayton, PA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in July
Dayton, PA

Average sunshine days in July - Dayton, PA
  • Average sunshine days in July: 12.2 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in July
Dayton, PA

Average UV index in July - Dayton, PA
  • Average UV index in July: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Dayton, PA

Average cloud cover in July - Dayton, PA
  • Average cloud cover in July: 40

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in July
Dayton, PA

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

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

Dayton, Pennsylvania, USA

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