July weather forecast
Charleston, ME

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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.

Frequently asked questions

What time of the year is the hottest?

July is the month when Charleston sees the average highest temperatures, with a high of 77.2°F (25.1°C) and a low of 55.9°F (13.3°C).

What are the temperatures in July?

In Charleston, in July, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 55.9°F (13.3°C).

What is the average humidity in July?

The average relative humidity in July is 78%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 16.7 days and accumulates 1.89" (48mm) of precipitation.

How many days does it rain in July?

In Charleston, in July, it is raining for 16.7 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow?

In Charleston, snow does not fall in June through September.

How many hours of daylight does Charleston have in July?

The average day length in July is 15h and 13min.

What time are sunrise and sunset in July?

In July, on the first day of the month, 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.

How long on average sun shines in July?

In July, the average sunshine duration is 9.6h.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in July in Charleston?

The average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Charleston, ME

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in July - Charleston, ME
  • Average daylight in July: 15h and 1min

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 4min

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 - 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 - 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 - 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 - 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).

Charleston, Maine, USA

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