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
During the warmest month, July, temperatures average a high of 80.4°F (26.9°C) and a low of 59.5°F (15.3°C).Humidity
April, May and July, with an average relative humidity of 79%, are the least humid months in Mercer.Rainfall
In Mercer, during July, the rain falls for 19.6 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 180.8 rainfall days, and 36.65" (931mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Mercer.Daylight
In Mercer, the average length of the day in July is 14h and 48min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:57 pm. On the last day of July, in Mercer, Pennsylvania, 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
The months with the highest UV index in Mercer are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during July translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the warmest months in Mercer?
What is the usual temperature for Mercer in July?
What are the least humid months in Mercer?
What is the average humidity in July in Mercer?
How many days does it rain in July in Mercer?
When it does not snow in Mercer?
What is the average length of the day in July in Mercer?
When are sunrise and sunset in July in Mercer?
What are the months with the most sunshine in Mercer?
How long on average sun shines in July in Mercer?
What are the months with the highest UV index in Mercer?
How high is the UV index in July in Mercer?
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 5min
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 5min
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).
Mercer, Pennsylvania, USA
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