July weather forecast
Bethlehem, PA

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A tranquil setting of dry trees and neat fields behind this large hall in the Lehigh University in Bethlehem, Pennsylvania
A tranquil setting of dry trees and neat fields behind this large hall in the Lehigh University in Bethlehem, Pennsylvania

Weather in July

Unfolding amidst the summer revelry is July, which stakes its claim as the hottest month in Bethlehem with peaks touching 83.5°F (28.6°C). As temperatures notably amplify, pressure slightly takes a dip, signifying the general stability attached to summer's full bloom. And while rain showers occur, they seldom mar the long and sunny afternoons that the city luxuriates in. Outdoor barbeques, swimming sessions, and park visits become the order of the day, making the summer's prime month a period of relaxation and enjoyment. However, the increased UV index of 6 stresses the need for precautionary measures against sunburn.

Temperature

Bethlehem notes the warmest temperatures in July, with a high average of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C).

Heat index

In July, the average heat index is estimated at a tropical 91.4°F (33°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

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

Rainfall

July is the month with the most rainfall in Bethlehem. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 44min.
On the first day of July, sunrise is at 5:34 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:17 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are the warmest months in Bethlehem?

Bethlehem witnesses the warmest weather in July, with temperatures averaging a high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C).

How hot does it get in Bethlehem in July?

The high-temperature, in July, in Bethlehem, records 83.5°F (28.6°C), while the low-temperature is 63.5°F (17.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What are the least humid months in Bethlehem?

April and July, with an average relative humidity of 76%, are the least humid months in Bethlehem.

What is the average humidity in July in Bethlehem?

The average relative humidity in July in Bethlehem is 76%.

What is the rainiest month in Bethlehem?

July is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.

How many days does it rain in July in Bethlehem?

In Bethlehem, in July, it is raining for 16.2 days, with typically 2.91" (74mm) of accumulated precipitation.

When it does not snow in Bethlehem?

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

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

In Bethlehem, Pennsylvania, the average day length in July is 14h and 44min.

What time are sunrise and sunset in July in Bethlehem?

On the first day of July in Bethlehem, Pennsylvania, sunrise is at 5:34 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:17 pm EDT.

What month has the most sunshine in Bethlehem?

With an average of 10.4h of sunshine, July has the most sunshine of the year in Bethlehem, Pennsylvania.

How many hours of sunshine does Bethlehem have in July?

The average sunshine duration in July is 10.4h.

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

The months with the highest UV index in Bethlehem, Pennsylvania, are May through July, with an average maximum UV index of 6.

What is the UV index reading in July in Bethlehem?

In Bethlehem, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Bethlehem, PA

Average temperature in July - Bethlehem, PA
  • Average high temperature in July: 83.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°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 (21.6°F).

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Average pressure in July
Bethlehem, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Bethlehem, PA

Average wind speed in July - Bethlehem, PA
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in July
Bethlehem, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in July
Bethlehem, PA

Average rainfall in July - Bethlehem, PA
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in July
Bethlehem, PA

Average rainfall days in July - Bethlehem, PA
  • Average rainfall days in July: 16.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in July
Bethlehem, PA

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

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Bethlehem, PA

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

The months with the highest number of snowfall days are January and February (7.8 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
Bethlehem, PA

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

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in July
Bethlehem, PA

Average sunshine days in July - Bethlehem, PA
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

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Average UV index in July
Bethlehem, PA

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

The months with the highest UV index are May, 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
Bethlehem, PA

Average cloud cover in July - Bethlehem, PA
  • Average cloud cover in July: 34

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in July
Bethlehem, PA

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

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

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Bethlehem, Pennsylvania, USA

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