Climate and monthly weather forecast
Lamoine State Park, ME

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Weather in January

In Lamoine State Park, Maine, in January, the average water temperature is 41.7°F (5.4°C). Note: It is risky to swim in 41.7°F (5.4°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation. Weather in January »

Weather in February

In Lamoine State Park, Maine, in February, the average water temperature is 39.4°F (4.1°C). Note: During swimming, this circumstance is both life-threatening and incredibly perilous. Weather in February »

Weather in March

March is the month with the coldest seawater in Lamoine State Park, Maine, with an average ocean temperature of 38.7°F (3.7°C). Note: When swimming, this condition is immediately life-threatening. Weather in March »

Weather in April

In Lamoine State Park, Maine, the average seawater temperature in April is 40.6°F (4.8°C). Note: Within swimming, this is perceived as extraordinarily cold, dangerous, and potentially lethal. Weather in April »

Weather in May

In Lamoine State Park, Maine, the average seawater temperature in May is 44.2°F (6.8°C). Note: You can swim in 44.2°F (6.8°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in May »

Weather in June

In June, the average ocean temperature in Lamoine State Park, Maine, is 49.5°F (9.7°C). Note: With an efficient thermal swimsuit, one can navigate 49.5°F (9.7°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Weather in June »

Weather in July

In Lamoine State Park, Maine, in July, the average water temperature is 54.7°F (12.6°C). Note: Swimming in 54.7°F (12.6°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity. Weather in July »

Weather in August

August is the month with the warmest seawater in Lamoine State Park, Maine, with an average ocean temperature of 56.8°F (13.8°C). Note: Swimming at temperatures less than 50°F (10°C) in 56.8°F (13.8°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in August »

Weather in September

In Lamoine State Park, Maine, the average seawater temperature in September is 55.9°F (13.3°C). Note: Staying in 55.9°F (13.3°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance. Weather in September »

Weather in October

In October, the average ocean temperature in Lamoine State Park, Maine, is 53.2°F (11.8°C). Note: Dipping in 53.2°F (11.8°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in October »

Weather in November

In Lamoine State Park, Maine, the average seawater temperature in November is 49.6°F (9.8°C). Note: Swimming in 49.6°F (9.8°C) is deemed hazardous. Weather in November »

Weather in December

In Lamoine State Park, Maine, in December, the average water temperature is 46°F (7.8°C). Note: Swimming in 46°F (7.8°C) poses a severe threat. Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the ocean coldest in Lamoine State Park?

With an average ocean temperature of 38.7°F (3.7°C), March is the month with the coldest seawater.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When are the longest days?

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

When is the ocean warmest?

The month with the warmest seawater is August, with an average ocean temperature of 56.8°F (13.8°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average sea temperature
Lamoine State Park, ME

Average sea temperature - Lamoine State Park, ME

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.6°F).

Average daylight
Lamoine State Park, ME

Average daylight - Lamoine State Park, ME

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).

Lamoine State Park, Maine, USA

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