July weather forecastCharleston, ME
July
Weather in July
July in Charleston, Maine, is a moderately hot summer month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 77.2°F (25.1°C).Temperature
Charleston experiences its highest temperatures in July, with an average peak of 77.2°F (25.1°C) and a low of 55.9°F (13.3°C).Humidity
In July, the average relative humidity in Charleston is 78%.Rainfall
The month with the least rainfall is July, when the rain falls for 16.7 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In Charleston, snow does not fall in June through September.Daylight
The average length of the day in July is 15h and 13min.On the first day of July, sunrise is at 4:53 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:04 pm EDT.
Sunshine
In Charleston, the average sunshine in July is 9.6h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 5 during July, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Charleston, ME
- Average high temperature in July: 77.2°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in July: 55.9°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in July
Charleston, ME
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in July
Charleston, ME
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Charleston, ME
- Average humidity in July: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).
Average rainfall in July
Charleston, ME
- Average rainfall in July: 1.89"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is July (1.89").
Average rainfall days in July
Charleston, ME
- Average rainfall days in July: 16.7 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in July
Charleston, ME
- Average snowfall in July: 0"
The month with the highest snowfall is February (11.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Charleston, ME
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Charleston, ME
- Average daylight in July: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in July: 9h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in July
Charleston, ME
- Average sunshine days in July: 11.6 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in July
Charleston, ME
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in July
Charleston, ME
- Average cloud cover in July: 42
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in July
Charleston, ME
- Average visibility in July: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).





