June weather forecast
Casco, ME

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Weather in June

The first month of the summer, June, is an agreeable month in Casco, Maine, with an average temperature ranging between min 50.2°F (10.1°C) and max 71.2°F (21.8°C).

Temperature

With the onset of June, Casco's average high-temperature sees a modest rise, moving from May's refreshing 63.7°F (17.6°C) to an agreeable 71.2°F (21.8°C). During the month of June, an average temperature of 50.2°F (10.1°C) is noted during the nights.

Humidity

In June, the average relative humidity is 80%.

Rainfall

In Casco, in June, during 16.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 156.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 24min of daylight.
On the first day of the month, sunrise is at 5:01 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:03 am and sunset at 8:28 pm EDT.

Sunshine

The average sunshine in June is 8.8h.

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 medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in June translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Casco in June?

The high-temperature, in June, in Casco, records 71.2°F (21.8°C), while the low-temperature is 50.2°F (10.1°C).

What is the average humidity in June?

In June, the average relative humidity is 80%.

How much does it rain in June?

In Casco, during June, the rain falls for 16.6 days and regularly aggregates up to 2.99" (76mm) of precipitation.

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 24min of daylight, June has the longest days of the year.

What is the average length of the day in June?

The average day length in June is 15h and 26min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:01 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 8:28 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 8.8h.

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 in Casco.

How high is the UV index in June in Casco?

In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Casco, ME

Average temperature in June - Casco, ME
  • Average high temperature in June: 71.2°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in June: 50.2°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).

Average pressure in June
Casco, ME

Average pressure in June - Casco, ME
  • Average pressure in June: 29.91"Hg

The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in June
Casco, ME

Average wind speed in June - Casco, ME
  • Average wind speed in June: 5.2mph

The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity in June
Casco, ME

Average humidity in June - Casco, ME
  • Average humidity in June: 80%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).

Average rainfall in June
Casco, ME

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

The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in June
Casco, ME

Average rainfall days in June - Casco, ME
  • Average rainfall days in June: 16.6 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in June
Casco, ME

Average snowfall in June - Casco, ME
  • Average snowfall in June: 0"

The month with the highest snowfall is February (10.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Casco, ME

Average snowfall days in June - Casco, ME
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is March (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Casco, ME

Average daylight in June / Average sunshine in June - Casco, ME
  • Average daylight in June: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in June: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in June
Casco, ME

Average sunshine days in June - Casco, ME
  • Average sunshine days in June: 10.6 days

The months with the most sunshine days are September and November (16.7 days).
The months with the least sunshine days are April and June (10.6 days).

Average UV index in June
Casco, ME

Average UV index in June - Casco, 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
Casco, ME

Average cloud cover in June - Casco, ME
  • Average cloud cover in June: 45

The months with the most cloud cover are February and March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in June
Casco, ME

Average visibility in June - Casco, ME
  • Average visibility in June: 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).

Casco, Maine, USA

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