June weather forecast
Newcastle, ME

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Weather in June

June, the first month of the summer in Newcastle, is a refreshing month, with an average temperature fluctuating between 52.7°F (11.5°C) and 65.1°F (18.4°C).

Temperature

June signals a minor shift in the average high-temperature, moving from May's moderate 58.3°F (14.6°C) to a comfortable 65.1°F (18.4°C). In June, Newcastle reports a consistent average low-temperature of 52.7°F (11.5°C) during the nights.

Humidity

The months with the highest humidity in Newcastle are June and July, with an average relative humidity of 83%.

Rainfall

In Newcastle, in June, during 13.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Newcastle, Maine, during the entire year, the rain falls for 144.1 days and collects up to 29.29" (744mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 24min of daylight.
On the first day of the month, sunrise is at 4:57 am and sunset at 8:14 pm. On the last day of June, in Newcastle, sunrise is at 4:58 am and sunset at 8:25 pm EDT.

Sunshine

In Newcastle, the average sunshine in June is 8.7h.

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 exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 5 during June, leads to the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the average June temperature in Newcastle?

An average high-temperature, in June, in Newcastle, is 65.1°F (18.4°C) and the average low-temperature is 52.7°F (11.5°C).

What is the most humid month in Newcastle?

June and July, with an average relative humidity of 83%, are most humid months in Newcastle.

What is the average humidity in June in Newcastle?

In Newcastle, Maine, the average relative humidity in June is 83%.

How many days does it rain in June in Newcastle?

In Newcastle, Maine, in June, it is raining for 13.8 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Newcastle?

May through September are months without snowfall.

When are the longest days in Newcastle?

The month with the longest days in Newcastle is June, with an average of 15h and 24min of daylight.

How many hours of daylight does Newcastle have in June?

In Newcastle, the average day length in June is 15h and 26min.

When is the sunrise / sunset in June in Newcastle?

On the first day of June, sunrise is at 4:57 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:25 pm EDT.

How long on average sun shines in June in Newcastle?

In June, the average sunshine duration is 8.7h.

What is the month with the highest UV index in Newcastle?

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

What is the UV index reading in June in Newcastle?

The average daily maximum UV index in June in Newcastle is 5. A UV Index reading of 3 to 5 represents 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 June
Newcastle, ME

Average temperature in June - Newcastle, ME
  • Average high temperature in June: 65.1°F

The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in June: 52.7°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in June
Newcastle, ME

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

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in June
Newcastle, ME

Average wind speed in June - Newcastle, ME
  • Average wind speed in June: 7.8mph

The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in June
Newcastle, ME

Average humidity in June - Newcastle, ME
  • Average humidity in June: 83%

The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in June
Newcastle, ME

Average rainfall in June - Newcastle, ME
  • Average rainfall in June: 2.52"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days in June
Newcastle, ME

Average rainfall days in June - Newcastle, ME
  • Average rainfall days in June: 13.8 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in June
Newcastle, ME

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

The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Newcastle, ME

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Newcastle, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in June
Newcastle, ME

Average sunshine days in June - Newcastle, ME
  • Average sunshine days in June: 14.1 days

The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).

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Average UV index in June
Newcastle, ME

Average UV index in June - Newcastle, 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, November and December (UV index 2).

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Average cloud cover in June
Newcastle, ME

Average cloud cover in June - Newcastle, ME
  • Average cloud cover in June: 43

The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in June
Newcastle, ME

Average visibility in June - Newcastle, ME
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Newcastle, Maine, USA

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