March weather forecast and climate
Belfast, ME

The first month of the spring, March, is a cold month in Belfast, Maine, with average temperature ranging between min 24.3°F (-4.3°C) and max 37°F (2.8°C).

Temperature

In Belfast, the average high-temperature marginally rises, from a subzero cold 29.8°F (-1.2°C) in February, to a wintry 37°F (2.8°C). The average low-temperature, is 24.3°F (-4.3°C).

Humidity

In Belfast, the average relative humidity in March is 82%.

Rainfall

In Belfast, in March, during 10.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Belfast, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Belfast, during March, snow falls for 9 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, in Belfast, there are 44.3 snowfall days, and 16.81" (427mm) of snow is accumulated.

Ocean temperature

March is the month with the coldest seawater in Belfast, with an average ocean temperature of 37.9°F (3.3°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in Belfast is 12h.

Sunshine

In Belfast, the average sunshine in March is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Belfast. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Belfast?

The average high-temperature, in March, is 37°F (2.8°C), while the average low-temperature is 24.3°F (-4.3°C).

What is the average humidity in March in Belfast?

In March, the average relative humidity is 82%.

How many days does it rain in March in Belfast?

In Belfast, Maine, in March, during 10.1 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in March in Belfast?

In March, it is snowing for 9 days. Throughout March, 2.76" (70mm) of snow is accumulated.

What month is the ocean coldest in Belfast?

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

How cold is the water in March in Belfast?

In Belfast, the average seawater temperature in March is 37.9°F (3.3°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in March in Belfast?

The average length of the day in March in Belfast, Maine, is 12h.

How many hours of sunshine does Belfast have in March?

In Belfast, the average sunshine in March is 5.1h.

What is the month with the lowest UV index in Belfast?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Belfast.

How high is the UV index in March in Belfast?

In Belfast, Maine, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in March - Belfast, ME
  • Average high temperature in March: 37°F

The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in March: 24.3°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in March - Belfast, ME
  • Average pressure in March: 30"

The month with the highest atmospheric pressure is September (30.04").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed in March - Belfast, ME
  • Average wind speed in March: 10.1mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in March - Belfast, ME
  • Average humidity in March: 82%

Months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in March - Belfast, ME
  • Average rainfall in March: 1.57"

The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").

Average rainfall days in March - Belfast, ME
  • Average rainfall days in March: 10.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in March - Belfast, ME
  • Average snowfall in March: 2.76"

The month with the highest snowfall is January (4.57").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in March - Belfast, ME
  • Average snowfall days in March: 9 days

The month with the highest number of snowfall days is January (10.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in March - Belfast, ME
  • Average sea temperature in March: 37.8°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 March / Average sunshine in March - Belfast, ME
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in March: 5.1h

The month with the most sunshine is August (Average sunshine: 9.9h).
The month with the least sunshine is February (Average sunshine: 4.3h).

Average sunshine days in March - Belfast, ME
  • Average sunshine days in March: 14.5 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in March - Belfast, ME
  • Average UV index in March: 2

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in March - Belfast, ME
  • Average cloud cover in March: 55

The month with the most cloud cover is March (Cloud cover 55).
Months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in March - Belfast, ME
  • Average visibility in March: 6mi

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