July weather forecast
Lanark, PA

Share

Weather in July

July, the same as June, is another warm summer month in Lanark, Pennsylvania, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.8°F (28.8°C).

Temperature

In Lanark, Pennsylvania, the month of July registers the highest temperatures, averaging 83.8°F (28.8°C) at the peak and 63.5°F (17.5°C) at the lowest.

Heat index

The heat index value for July is estimated at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

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

Rainfall

July is the month with the most rainfall in Lanark. Rain falls for 15.7 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Lanark, 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 5:58 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

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Lanark?

In Lanark, Pennsylvania, the average temperatures in July are the highest, with a peak at 83.8°F (28.8°C) and a low of 63.5°F (17.5°C).

How hot is it in Lanark in July?

In July, the average high-temperature and low-temperature are 83.8°F (28.8°C) and 63.5°F (17.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is estimated at 91.4°F (33°C).

What are the least humid months in Lanark?

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

What is the average humidity in July in Lanark?

In July, the average relative humidity is 76%.

What is the rainiest month in Lanark?

The month with the most rainfall in Lanark is July, when the rain falls for 15.7 days and typically aggregates up to 3.03" (77mm) of precipitation.

How much does it rain in Lanark in July?

In Lanark, in July, it is raining for 15.7 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow in Lanark?

June through September are months without snowfall in Lanark, Pennsylvania.

How many hours of daylight does Lanark have in July?

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

What time are sunrise and sunset in July in Lanark?

On the first day of July in Lanark, sunrise is at 5:35 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 Lanark?

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

How many hours of sunshine does Lanark have in July?

The average sunshine duration in July in Lanark, Pennsylvania, is 10.4h.

When is the highest UV index in Lanark?

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

How high is the UV index in July in Lanark?

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 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
Lanark, PA

Average temperature in July - Lanark, PA
  • Average high temperature in July: 83.8°F

The warmest month (with the highest average high temperature) is July (83.8°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).

Average pressure in July
Lanark, PA

Average pressure in July - Lanark, 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
Lanark, PA

Average wind speed in July - Lanark, 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).

Average humidity in July
Lanark, PA

Average humidity in July - Lanark, 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%).

Average rainfall in July
Lanark, PA

Average rainfall in July - Lanark, PA
  • Average rainfall in July: 3.03"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in July
Lanark, PA

Average rainfall days in July - Lanark, PA
  • Average rainfall days in July: 15.7 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in July
Lanark, PA

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

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Lanark, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Lanark, 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 24min).

Average sunshine days in July
Lanark, PA

Average sunshine days in July - Lanark, PA
  • Average sunshine days in July: 13.4 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in July
Lanark, PA

Average UV index in July - Lanark, 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
Lanark, PA

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in July
Lanark, PA

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

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

Lanark, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location