June weather forecast
Rockland, ME

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A US flag flying outside a lighthouse on the water in Rockland, Maine
A US flag flying outside a lighthouse on the water in Rockland, Maine

Weather in June

June is the first month of summer in Rockland, Maine, and the temperature rises again, now reaching up to 61.2°F (16.2°C). This month rocks the highest UV index, so sun protection becomes crucial while outdoors. However, the sea temperature remains comparatively low, not surpassing 52°F (11.1°C). Despite higher temperatures, June maintains a moderate level of rainfall. As a result, the landscape is lush and vibrant, making this time of year particularly scenic.

Temperature

A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from a fresh 54.1°F (12.3°C) to a refreshing 61.2°F (16.2°C). An average low-temperature of 53.2°F (11.8°C) is witnessed throughout the month of June in Rockland, a mere drop from the daytime peak.

Humidity

In June, the average relative humidity is 84%.

Rainfall

In Rockland, during June, the rain falls for 13.8 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 144.8 rainfall days, and 30.63" (778mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

In Rockland, the average seawater temperature in June is 52°F (11.1°C).
Note: Navigating the 52°F (11.1°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.

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 4:55 am and sunset at 8:13 pm. On the last day of June, sunrise is at 4:56 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in June is 8.8h.

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 ordinary individuals.
Note: A typical high UV index of 5 in June suggests the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What are June temperatures?

June temperatures vary between a high-temperature of 61.2°F (16.2°C) and a low-temperature of 53.2°F (11.8°C).

What is the average humidity in June?

In Rockland, the average relative humidity in June is 84%.

How much does it rain in June?

In June, the rain falls for 13.8 days. Throughout June, 2.76" (70mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the water temperature in June?

In Rockland, in June, the average water temperature is 52°F (11.1°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

When are the longest days?

June has the longest days of the year, with an average of 15h and 24min of daylight.

What is the average length of the day in June?

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

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 4:55 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:23 pm EDT.

How long on average sun shines in June?

In June, the average sunshine duration is 8.8h.

When is 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 June, the average daily maximum UV index 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
Rockland, ME

Average temperature in June - Rockland, ME
  • Average high temperature in June: 61.2°F

The warmest month (with the highest average high temperature) is August (68.7°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in June: 53.2°F

The month with the highest average low temperature is August (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in June
Rockland, ME

Average pressure in June - Rockland, 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
Rockland, ME

Average wind speed in June - Rockland, ME
  • Average wind speed in June: 9.3mph

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

Average humidity in June
Rockland, ME

Average humidity in June - Rockland, ME
  • Average humidity in June: 84%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (75%).

Average rainfall in June
Rockland, ME

Average rainfall in June - Rockland, ME
  • Average rainfall in June: 2.76"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in June
Rockland, ME

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

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in June
Rockland, ME

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

The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Rockland, ME

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

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in June
Rockland, ME

Average sea temperature in June - Rockland, ME
  • Average sea temperature in June: 52°F

The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).

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

Average daylight in June / Average sunshine in June - Rockland, 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: 8h and 54min).

  • Average sunshine in June: 8h and 5min

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

Average sunshine days in June
Rockland, ME

Average sunshine days in June - Rockland, ME
  • Average sunshine days in June: 14 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is April (11.5 days).

Average UV index in June
Rockland, ME

Average UV index in June - Rockland, 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
Rockland, ME

Average cloud cover in June - Rockland, ME
  • Average cloud cover in June: 42

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in June
Rockland, ME

Average visibility in June - Rockland, 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).

Rockland, Maine, USA

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