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 is the warmest month, with the temperature often reaching an average high of 79.3°F (26.3°C) and an average low of 57.2°F (14°C).Humidity
In July, the average relative humidity is 79%.Rainfall
In Charleston, in July, during 19.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 175.2 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
In Charleston, snow does not fall in June through September.Daylight
In Charleston, the average length of the day in July is 14h and 52min.On the first day of the month, sunrise is at 5:38 am and sunset at 8:47 pm. On the last day of July, sunrise is at 6:02 am and sunset at 8:27 pm EDT.
Sunshine
With an average of 10h of sunshine, July has the most sunshine of the year.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 medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in July interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What are the temperatures in July?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July in Charleston?
What time are sunrise and sunset in July?
What month has the most sunshine?
How long on average sun shines in July?
What are the months with the highest UV index in Charleston?
What is the UV index intensity in July?
Average temperature in July
Charleston, 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 (28.6°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 (17.1°F).
Average pressure in July
Charleston, 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
Charleston, PA
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in July
Charleston, PA
- Average humidity in July: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (78%).
Average rainfall in July
Charleston, PA
- Average rainfall in July: 2.91"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in July
Charleston, PA
- Average rainfall days in July: 19.4 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in July
Charleston, PA
- Average snowfall in July: 0"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Charleston, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Charleston, PA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in July
Charleston, PA
- Average sunshine days in July: 9.8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in July
Charleston, 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
Charleston, PA
- Average cloud cover in July: 39
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in July
Charleston, PA
- Average visibility in July: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Charleston, Pennsylvania, USA
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