July weather forecast
Bethlehem, PA

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

July, the same as June, is a moderately hot summer month in Bethlehem, Pennsylvania, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 63.5°F (17.5°C).

Temperature

With an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 63.5°F (17.5°C), July is the warmest month.

Heat index

In July, the average heat index is appraised at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the 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

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

Rainfall

The month with the most rainfall is July, when the rain falls for 16.2 days and typically aggregates up to 2.91" (74mm) of precipitation.

Snowfall

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

Daylight

In Bethlehem, Pennsylvania, the average length of the day in July is 14h and 44min.
On the first day of July in Bethlehem, sunrise is at 5:34 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:18 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index in Bethlehem are May through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in July transform into the following instructions:
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 Bethlehem?

With an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 63.5°F (17.5°C), July is the warmest month in Bethlehem, Pennsylvania.

What is the temperature in July in Bethlehem?

In Bethlehem, in July, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 63.5°F (17.5°C). in July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What are the least humid months in Bethlehem?

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

What is the average humidity in July in Bethlehem?

The average relative humidity in July is 76%.

What is the rainiest month in Bethlehem?

The month with the most rainfall in Bethlehem is July, when the rain falls for 16.2 days and typically aggregates up to 2.91" (74mm) of precipitation.

How much does it rain in Bethlehem in July?

In Bethlehem, Pennsylvania, in July, during 16.2 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Bethlehem?

June through September are months without snowfall.

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

In July, the average day length in Bethlehem 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 5:57 am and sunset at 8:18 pm EDT.

What month has the most sunshine in Bethlehem?

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

How many hours of sunshine does Bethlehem have in July?

In Bethlehem, Pennsylvania, the average sunshine duration in July is 10.4h.

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

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

How high is the UV index in July in Bethlehem?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
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 44min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in July: 10h and 24min

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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