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, with its high-temperature average of 81.5°F (27.5°C) and a low-temperature average of 61.3°F (16.3°C), is the warmest month.Heat index
July's heat index is computed to be a hot 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Saint Clair, Pennsylvania, the average relative humidity in July is 79%.Rainfall
In Saint Clair, during July, the rain falls for 17.8 days and regularly aggregates up to 3.19" (81mm) of precipitation. In Saint Clair, during the entire year, the rain falls for 172.9 days and collects up to 34.21" (869mm) of precipitation.Snowfall
In Saint Clair, Pennsylvania, snow does not fall in June through September.Daylight
In July, the average length of the day in Saint Clair is 14h and 45min.On the first day of July in Saint Clair, sunrise is at 5:37 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:21 pm EDT.
Sunshine
The month with the most sunshine is July, with an average of 10.5h of sunshine.UV index
The month with the highest UV index in Saint Clair is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 6 in July translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the warmest month in Saint Clair?
What are July temperatures in Saint Clair?
What is the average humidity in July in Saint Clair?
How much does it rain in Saint Clair in July?
When it does not snow in Saint Clair?
How many hours of daylight does Saint Clair have in July?
When are sunrise and sunset in July in Saint Clair?
What month has the most sunshine in Saint Clair?
How long on average sun shines in July in Saint Clair?
What is the month with the highest UV index in Saint Clair?
What is the UV index intensity in July in Saint Clair?
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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