Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July, recognised by an average high temperature of 81.5°F (27.5°C) and a low of 61.3°F (16.3°C), is Saint Clair's warmest month.Heat index
Throughout July, the heat index is computed to be a hot 87.8°F (31°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In Saint Clair, Pennsylvania, the average relative humidity in July is 79%.Rainfall
In Saint Clair, in July, during 17.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Saint Clair, during the entire year, the rain falls for 172.9 days and collects up to 34.21" (869mm) of precipitation.Snowfall
June through September are months without snowfall in Saint Clair.Daylight
The average length of the day in July in Saint Clair is 14h and 45min.On the first day of the month, sunrise is at 5:37 am and sunset at 8:39 pm. On the last day of July, sunrise is at 6:01 am and sunset at 8:21 pm EDT.
Sunshine
With an average of 10.5h of sunshine, July has the most sunshine of the year.UV index
With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 6 in July interprets into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
What is the temperature in July?
What is the average humidity in July in Saint Clair?
How much does it rain in July?
When it does not snow?
What is the average length of the day in July?
When is the sunrise / sunset in July?
What month has the most sunshine?
How many hours of sunshine does Saint Clair have in July?
What is the month with the highest UV index?
What is the UV index intensity in July?
Average temperature in July
Saint Clair, PA
- Average high temperature in July: 81.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in July: 61.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in July
Saint Clair, PA
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in July
Saint Clair, PA
- Average wind speed in July: 5mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in July
Saint Clair, PA
- Average humidity in July: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in July
Saint Clair, PA
- Average rainfall in July: 3.19"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in July
Saint Clair, PA
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).
Average snowfall in July
Saint Clair, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Saint Clair, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Saint Clair, PA
- Average daylight in July: 14h and 5min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in July
Saint Clair, PA
- Average sunshine days in July: 10.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in July
Saint Clair, PA
- Average UV index in July: 6
The month with the highest UV index is 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
Saint Clair, PA
- Average cloud cover in July: 32
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Saint Clair, PA
- Average visibility in July: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Saint Clair, Pennsylvania, USA
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