July weather forecastSaint Marys, PA
July
Weather in July
July, like June, in Saint Marys, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 79.3°F (26.3°C) and 57.2°F (14°C).Temperature
In Saint Marys, July records the highest average temperatures, peaking at 79.3°F (26.3°C) and reaching a low of 57.2°F (14°C).Humidity
The months with the lowest humidity are June and July, with an average relative humidity of 78%.Rainfall
In Saint Marys, in July, during 13.7 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 118.9 rainfall days, and 13.31" (338mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 14h and 49min.On the first day of July, sunrise is at 5:44 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:32 pm EDT.
Sunshine
The months with the most sunshine in Saint Marys are July and August, with an average of 9.5h of sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during July translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint Marys, PA
- Average high temperature in July: 79.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in July: 57.2°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in July
Saint Marys, PA
- Average pressure in July: 29.98"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
Saint Marys, PA
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in July
Saint Marys, PA
- Average humidity in July: 78%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in July
Saint Marys, PA
- Average rainfall in July: 1.14"
The wettest month (with the highest rainfall) is April (1.5").
The driest months (with the least rainfall) are January and November (0.83").
Average rainfall days in July
Saint Marys, PA
- Average rainfall days in July: 13.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in July
Saint Marys, PA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Saint Marys, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.2 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 Marys, PA
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in July
Saint Marys, PA
- Average sunshine days in July: 14.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (13 days).
Average UV index in July
Saint Marys, PA
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Saint Marys, PA
- Average cloud cover in July: 42
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in July
Saint Marys, PA
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).
