June weather forecast
Jefferson, ME

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Weather in June

The first month of the summer, June, is a refreshing month in Jefferson, Maine, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 52.7°F (11.5°C).

Temperature

The shift from May to June sees a slight increase in the average high-temperature, transitioning from a mild 58.3°F (14.6°C) to a comfortable 65.1°F (18.4°C). Jefferson in June anticipates an average nighttime temperature of 52.7°F (11.5°C).

Humidity

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

Rainfall

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

Snowfall

In Jefferson, snow does not fall in May through September.

Daylight

The month with the longest days is June, with an average of 15h and 30min of daylight.
On the first day of June, sunrise is at 4:56 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in June is 8.7h.

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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In June, the maximum UV index of 5 suggests this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

An average high-temperature, in June, in Jefferson, 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?

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

What is the average humidity in June?

In June, the average relative humidity is 83%.

How many days does it rain in June in Jefferson?

In Jefferson, in June, during 13.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow?

In Jefferson, snow does not fall in May through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 30min of daylight.

How many hours of daylight does Jefferson have in June?

In June, the average day length is 15h and 28min.

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 4:56 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 8:25 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 8.7h.

What are the months with the highest UV index?

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

How high is the UV index in June?

The average daily maximum UV index in June is 5. A UV Index 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
Jefferson, ME

Average temperature in June - Jefferson, 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).

Average pressure in June
Jefferson, ME

Average pressure in June - Jefferson, 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).

Average wind speed in June
Jefferson, ME

Average wind speed in June - Jefferson, 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).

Average humidity in June
Jefferson, ME

Average humidity in June - Jefferson, 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%).

Average rainfall in June
Jefferson, ME

Average rainfall in June - Jefferson, 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").

Average rainfall days in June
Jefferson, ME

Average rainfall days in June - Jefferson, 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).

Average snowfall in June
Jefferson, ME

Average snowfall in June - Jefferson, 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").

Average snowfall days in June
Jefferson, ME

Average snowfall days in June - Jefferson, 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).

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

Average daylight in June / Average sunshine in June - Jefferson, ME
  • Average daylight in June: 15h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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).

Average sunshine days in June
Jefferson, ME

Average sunshine days in June - Jefferson, 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).

Average UV index in June
Jefferson, ME

Average UV index in June - Jefferson, 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).

Average cloud cover in June
Jefferson, ME

Average cloud cover in June - Jefferson, 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).

Average visibility in June
Jefferson, ME

Average visibility in June - Jefferson, 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).

Jefferson, Maine, USA

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