June weather forecast
Charleston, ME

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Weather in June

The first month of the summer, June, is an agreeable month in Charleston, Maine, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 69.8°F (21°C).

Temperature

The shift from May to June sees a slight increase in the average high-temperature, transitioning from a refreshing 62.2°F (16.8°C) to an agreeable 69.8°F (21°C). June's average low-temperature reading settles at a chilly 49.6°F (9.8°C).

Humidity

In June, the average relative humidity is 79%.

Rainfall

In June, the rain falls for 16.3 days. Throughout June, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 154.3 rainfall days, and 32.68" (830mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

With an average of 15h and 36min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 4:51 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 8:27 pm EDT.

Sunshine

The average sunshine in June is 8.4h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in June interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What are June temperatures?

The average high-temperature, in June, in Charleston, is 69.8°F (21°C), while the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in June?

In June, the average relative humidity is 79%.

How many days does it rain in June?

In Charleston, Maine, in June, during 16.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What is the average length of the day in June?

In June, the average day length is 15h and 34min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 4:51 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 8:27 pm EDT.

How long on average sun shines in June?

In Charleston, the average sunshine duration in June is 8.4h.

What are the months 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 June?

In Charleston, the average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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 June
Charleston, ME

Average temperature in June - Charleston, ME
  • Average high temperature in June: 69.8°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 June: 49.6°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 June
Charleston, ME

Average pressure in June - Charleston, ME
  • Average pressure in June: 29.9"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 June
Charleston, ME

Average wind speed in June - Charleston, ME
  • Average wind speed in June: 6mph

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 June
Charleston, ME

Average humidity in June - Charleston, ME
  • Average humidity in June: 79%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).

Average rainfall in June
Charleston, ME

Average rainfall in June - Charleston, ME
  • Average rainfall in June: 2.99"

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 June
Charleston, ME

Average rainfall days in June - Charleston, ME
  • Average rainfall days in June: 16.3 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 June
Charleston, ME

Average snowfall in June - Charleston, ME
  • Average snowfall in June: 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 June
Charleston, ME

Average snowfall days in June - Charleston, ME
  • Average snowfall days in June: 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 June /
Average sunshine in June
Charleston, ME

Average daylight in June / Average sunshine in June - Charleston, ME
  • Average daylight in June: 15h and 4min

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 June: 8h and 2min

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 June
Charleston, ME

Average sunshine days in June - Charleston, ME
  • Average sunshine days in June: 11.5 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 June
Charleston, ME

Average UV index in June - Charleston, ME
  • Average UV index in June: 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 June
Charleston, ME

Average cloud cover in June - Charleston, ME
  • Average cloud cover in June: 48

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 June
Charleston, ME

Average visibility in June - Charleston, ME
  • Average visibility in June: 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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