June weather forecast
Prospect Harbor, ME

Share

Weather in June

June, the first month of the summer in Prospect Harbor, is a refreshing month, with an average temperature varying between 66°F (18.9°C) and 51.4°F (10.8°C).

Temperature

Prospect Harbor's June weather indicates a minor ascent in high-temperatures, adjusting from a moderate 58.6°F (14.8°C) in May to a still refreshing 66°F (18.9°C). Prospect Harbor encounters an average low-temperature of 51.4°F (10.8°C) during June nights.

Humidity

In June, the average relative humidity is 79%.

Rainfall

In Prospect Harbor, in June, it is raining for 13.8 days, with typically 2.6" (66mm) of accumulated precipitation. In Prospect Harbor, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 30min of daylight.
On the first day of the month, sunrise is at 4:50 am and sunset at 8:09 pm. On the last day of June, sunrise is at 4:51 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in June is 8.6h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 in June translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures in Prospect Harbor?

In June, the average high-temperature and low-temperature are 66°F (18.9°C) and 51.4°F (10.8°C) respectively.

What is the average humidity in June?

The average relative humidity in June is 79%.

How many days does it rain in June?

In Prospect Harbor, during June, the rain falls for 13.8 days and regularly aggregates up to 2.6" (66mm) 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 in Prospect Harbor?

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

How many hours of daylight does Prospect Harbor have in June?

The average day length in June in Prospect Harbor, Maine, is 15h and 29min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 4:50 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 8:20 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 8.6h.

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.

What is the UV index intensity in June?

In June, the average daily maximum UV index in Prospect Harbor is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Prospect Harbor, ME

Average temperature in June - Prospect Harbor, ME
  • Average high temperature in June: 66°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in June: 51.4°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in June
Prospect Harbor, ME

Average pressure in June - Prospect Harbor, 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
Prospect Harbor, ME

Average wind speed in June - Prospect Harbor, ME
  • Average wind speed in June: 7.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in June
Prospect Harbor, ME

Average humidity in June - Prospect Harbor, ME
  • Average humidity in June: 79%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

Average rainfall in June
Prospect Harbor, ME

Average rainfall in June - Prospect Harbor, ME
  • Average rainfall in June: 2.6"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

Average rainfall days in June
Prospect Harbor, ME

Average rainfall days in June - Prospect Harbor, ME
  • Average rainfall days in June: 13.8 days

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

Average snowfall in June
Prospect Harbor, ME

Average snowfall in June - Prospect Harbor, ME
  • Average snowfall in June: 0"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Prospect Harbor, ME

Average snowfall days in June - Prospect Harbor, ME
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Prospect Harbor, ME

Average daylight in June / Average sunshine in June - Prospect Harbor, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in June
Prospect Harbor, ME

Average sunshine days in June - Prospect Harbor, ME
  • Average sunshine days in June: 14.3 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in June
Prospect Harbor, ME

Average UV index in June - Prospect Harbor, 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
Prospect Harbor, ME

Average cloud cover in June - Prospect Harbor, ME
  • Average cloud cover in June: 44

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in June
Prospect Harbor, ME

Average visibility in June - Prospect Harbor, ME
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Prospect Harbor, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location