Belfast
Maine, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Belfast, ME

In Belfast, Maine, in Enero, the average water temperature is 41.2°F (5.1°C). Note: Swimming in 41.2°F (5.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

In Belfast, Maine, in Febrero, the average water temperature is 38.7°F (3.7°C). Note: For swimming, this is considered very dangerous and immediately life-threatening.

With an average ocean temperature of 37.9°F (3.3°C), Marzo is the month with the coldest seawater in Belfast, Maine. Note: For swimming, this is considered extremely cold, dangerous, and life-threatening.

In Belfast, Maine, in Abril, the average water temperature is 40.6°F (4.8°C). Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs.

In Belfast, Maine, in Mayo, the average water temperature is 45.1°F (7.3°C). Note: 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. Weather in Mayo »

In Junio, the average ocean temperature in Belfast, Maine, is 52°F (11.1°C). Note: Swimming in 52°F (11.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

In Belfast, Maine, in Julio, the average water temperature is 58.5°F (14.7°C). Note: 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.

With an average ocean temperature of 60.4°F (15.8°C), Agosto is the month with the warmest seawater in Belfast, Maine. Note: For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority.

In Septiembre, the average ocean temperature in Belfast, Maine, is 58.3°F (14.6°C). Note: Swimming in 58.3°F (14.6°C) is considered life-threatening.

In Belfast, Maine, the average seawater temperature in Octubre is 54.1°F (12.3°C). Note: Swimming in 54.1°F (12.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

In Belfast, Maine, the average seawater temperature in Noviembre is 49.1°F (9.5°C). Note: Swimming in 49.1°F (9.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

In Belfast, Maine, the average seawater temperature in Diciembre is 45.1°F (7.3°C). Note: 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.

When is the ocean coldest in Belfast?

The month with the coldest seawater is Marzo, with an average ocean temperature of 37.9°F (3.3°C).

When are the longest days in Belfast?

The month with the longest days is Junio, with an average of 15.5h of daylight.

When is the ocean warmest in Belfast?

With an average ocean temperature of 60.4°F (15.8°C), Agosto is the month with the warmest seawater in Belfast, Maine.

What is the month with the shortest days in Belfast?

The month with the shortest days is Diciembre, with an average of 8.9h of daylight.
Average sea temperature - Belfast, ME

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 - Belfast, ME