July weather forecast
Bristol, PA

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Weather in July

July, the same as June, is a moderately hot summer month in Bristol, Pennsylvania, with temperature in the range of an average low of 68°F (20°C) and an average high of 85.5°F (29.7°C).

Temperature

July, on average, is the warmest month, registering a high temperature of 85.5°F (29.7°C) and a low of 68°F (20°C).

Heat index

For July, the heat index is computed to be a torrid 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Know that the heat index computations account for shaded terrains and slight winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in July is 73%.

Rainfall

July is the month with the most rainfall. Rain falls for 18.8 days and accumulates 3.66" (93mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Bristol, the average length of the day in July is 14h and 41min.
On the first day of July, sunrise is at 5:34 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:14 pm EDT.

Sunshine

The month with the most sunshine is July, 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 ordinary individuals.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July, with its average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 68°F (20°C), holds the record as the warmest month.

How hot is it in Bristol in July?

July temperatures in Bristol, Pennsylvania, vary between a high-temperature of 85.5°F (29.7°C) and a low-temperature of 68°F (20°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 95°F (35°C).

What is the average humidity in July?

In Bristol, the average relative humidity in July is 73%.

What is the wettest month?

July is the month with the most rainfall. Rain falls for 18.8 days and accumulates 3.66" (93mm) of precipitation.

How many days does it rain in July?

In Bristol, during July, the rain falls for 18.8 days and regularly aggregates up to 3.66" (93mm) of precipitation.

When it does not snow?

June through October are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 41min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:34 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:14 pm EDT.

What month has the most sunshine?

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

How many hours of sunshine does Bristol have in July?

In Bristol, the average sunshine duration in July is 10.6h.

When is the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index in Bristol is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Bristol, PA

Average temperature in July - Bristol, PA
  • Average high temperature in July: 85.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in July: 68°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in July
Bristol, PA

Average pressure in July - Bristol, PA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Bristol, PA

Average wind speed in July - Bristol, PA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in July
Bristol, PA

Average humidity in July - Bristol, PA
  • Average humidity in July: 73%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in July
Bristol, PA

Average rainfall in July - Bristol, PA
  • Average rainfall in July: 3.66"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in July
Bristol, PA

Average rainfall days in July - Bristol, PA
  • Average rainfall days in July: 18.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in July
Bristol, PA

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

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Bristol, PA

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Bristol, 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 48min).

Average sunshine days in July
Bristol, PA

Average sunshine days in July - Bristol, PA
  • Average sunshine days in July: 9.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in July
Bristol, PA

Average UV index in July - Bristol, 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
Bristol, PA

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

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in July
Bristol, PA

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

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

Bristol, Pennsylvania, USA

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