July weather forecastMercer, PA
July
Weather in July
July, like June, in Mercer, Pennsylvania, is another warm summer month, with an average temperature varying between 59.5°F (15.3°C) and 80.4°F (26.9°C).Temperature
In Mercer, the peak average temperatures are observed in July, with a high of 80.4°F (26.9°C) and a low of 59.5°F (15.3°C).Humidity
The months with the lowest humidity are April, May and July, with an average relative humidity of 79%.Rainfall
In Mercer, during July, the rain falls for 19.6 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Mercer, during the entire year, the rain falls for 180.8 days and collects up to 36.65" (931mm) of precipitation.Snowfall
In Mercer, snow does not fall in June through September.Daylight
In July, the average length of the day is 14h and 48min.On the first day of July, sunrise is at 5:52 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:38 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.9h 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 reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In July, the maximum UV index of 5 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Mercer, PA
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in July: 59.5°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in July
Mercer, PA
- Average pressure in July: 29.97"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
Mercer, PA
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in July
Mercer, PA
- Average humidity in July: 79%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May and July (79%).
Average rainfall in July
Mercer, PA
- Average rainfall in July: 3.58"
The wettest months (with the highest rainfall) are April and June (3.74").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in July
Mercer, PA
- Average rainfall days in July: 19.6 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in July
Mercer, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Mercer, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Mercer, 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 18min).
- Average sunshine in July: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in July
Mercer, PA
- Average sunshine days in July: 9.2 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in July
Mercer, PA
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Mercer, PA
- Average cloud cover in July: 37
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in July
Mercer, PA
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
