July weather forecast
Horsham, PA

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Weather in July

July, like June, in Horsham, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 85.6°F (29.8°C) and 67.5°F (19.7°C).

Temperature

Horsham's temperatures tend to reach their peak averages in July, with a high of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C).

Heat index

During July, the heat index is computed to be a very hot 95°F (35°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly 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.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

April, July and August, with an average relative humidity of 72%, are the least humid months.

Rainfall

In July, the rain falls for 10.3 days. Throughout July, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Horsham.

Daylight

The average length of the day in July is 14h and 42min.
On the first day of July in Horsham, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:15 pm EDT.

Sunshine

The month with the most sunshine in Horsham is July, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index in Horsham, Pennsylvania, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What time of the year is the hottest in Horsham?

In Horsham, July is identified by the average highest temperatures, reaching a peak of 85.6°F (29.8°C) and a low of 67.5°F (19.7°C).

How hot is it in Horsham in July?

The average high-temperature, in July, in Horsham, is 85.6°F (29.8°C), while the average low-temperature is 67.5°F (19.7°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 are the least humid months in Horsham?

April, July and August, with an average relative humidity of 72%, are the least humid months in Horsham.

What is the average humidity in July in Horsham?

In July, the average relative humidity in Horsham, Pennsylvania, is 72%.

How many days does it rain in July in Horsham?

In Horsham, Pennsylvania, during July, the rain falls for 10.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Horsham?

In Horsham, snow does not fall in June through October.

How many hours of daylight does Horsham have in July?

The average day length in July in Horsham is 14h and 42min.

When is the sunrise / sunset in July in Horsham?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:33 pm. On the last day of the month, in Horsham, sunrise is at 5:58 am and sunset at 8:15 pm EDT.

What month has the most sunshine in Horsham?

July has the most sunshine of the year in Horsham, with an average of 10.7h of sunshine.

How many hours of sunshine does Horsham have in July?

In July, the average sunshine duration in Horsham, Pennsylvania, is 10.7h.

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

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

What is the UV index intensity in July in Horsham?

In July, the average daily maximum UV index is 6. A UV Index value 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
Horsham, PA

Average temperature in July - Horsham, PA
  • Average high temperature in July: 85.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in July: 67.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in July
Horsham, PA

Average pressure in July - Horsham, 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
Horsham, PA

Average wind speed in July - Horsham, PA
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Horsham, PA

Average humidity in July - Horsham, PA
  • Average humidity in July: 72%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in July
Horsham, PA

Average rainfall in July - Horsham, PA
  • Average rainfall in July: 0.71"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in July
Horsham, PA

Average rainfall days in July - Horsham, PA
  • Average rainfall days in July: 10.3 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in July
Horsham, PA

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

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Horsham, PA

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

The month with the highest number of snowfall days is February (3.7 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
Horsham, PA

Average daylight in July / Average sunshine in July - Horsham, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Horsham, PA

Average sunshine days in July - Horsham, PA
  • Average sunshine days in July: 17.4 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

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Average UV index in July
Horsham, PA

Average UV index in July - Horsham, 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, March, November and December (UV index 2).

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Average cloud cover in July
Horsham, PA

Average cloud cover in July - Horsham, PA
  • Average cloud cover in July: 31

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Horsham, PA

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

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

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Horsham, Pennsylvania, USA

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