July weather forecast
Old Zionsville, PA

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Weather in July

July, like June, in Old Zionsville, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 84°F (28.9°C) and 64°F (17.8°C).

Temperature

July, characterized by an average high temperature of 84°F (28.9°C) and a low temperature of 64°F (17.8°C), is generally the warmest month.

Heat index

July's mean heat index is calculated to be a hot 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in July is 76%.

Rainfall

July is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Old Zionsville, the average length of the day in July is 14h and 44min.
On the first day of July, sunrise is at 5:35 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:17 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Temperature readings reach their annual highs in July, averaging 84°F (28.9°C) and a minimum average of 64°F (17.8°C).

How hot is July?

In Old Zionsville, 84°F (28.9°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the average humidity in July?

In July, the average relative humidity is 76%.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.19" (81mm) of precipitation.

How much does it rain in July?

In July, the rain falls for 15.9 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

When it does not snow?

In Old Zionsville, snow does not fall in June through September.

What is the average length of the day in July?

The average day length in July is 14h and 44min.

When is the sunrise / sunset in July in Old Zionsville?

In July, on the first day of the month, sunrise is at 5:35 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:17 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year in Old Zionsville, with an average of 10.3h of sunshine.

How many hours of sunshine does Old Zionsville have in July?

In Old Zionsville, the average sunshine duration in July is 10.3h.

What are the months with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Old Zionsville, PA

Average temperature in July - Old Zionsville, PA
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in July
Old Zionsville, PA

Average pressure in July - Old Zionsville, 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).

Average wind speed in July
Old Zionsville, PA

Average wind speed in July - Old Zionsville, 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 (4.9mph).

Average humidity in July
Old Zionsville, PA

Average humidity in July - Old Zionsville, PA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in July
Old Zionsville, PA

Average rainfall in July - Old Zionsville, PA
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in July
Old Zionsville, PA

Average rainfall days in July - Old Zionsville, PA
  • Average rainfall days in July: 15.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in July
Old Zionsville, PA

Average snowfall in July - Old Zionsville, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Old Zionsville, PA

Average snowfall days in July - Old Zionsville, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Old Zionsville, PA

Average daylight in July / Average sunshine in July - Old Zionsville, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in July
Old Zionsville, PA

Average sunshine days in July - Old Zionsville, PA
  • Average sunshine days in July: 13 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in July
Old Zionsville, PA

Average UV index in July - Old Zionsville, PA
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in July
Old Zionsville, PA

Average cloud cover in July - Old Zionsville, PA
  • Average cloud cover in July: 33

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in July
Old Zionsville, PA

Average visibility in July - Old Zionsville, PA
  • Average visibility in July: 6mi

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

Old Zionsville, Pennsylvania, USA

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