October weather forecast and climate
Belfast, ME

October, the same as September, in Belfast, Maine, is a moderate autumn month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 55.8°F (13.2°C).

Temperature

In October, the average high-temperature drops, from an enjoyable 67.1°F (19.5°C) in September, to a mild 55.8°F (13.2°C). In Belfast, the average low-temperature is 43.2°F (6.2°C).

Humidity

The average relative humidity in October is 80%.

Rainfall

In Belfast, during October, the rain falls for 13.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 141.1 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Belfast, Maine, are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Belfast, during the entire year, snow falls for 44.3 days, and aggregates up to 16.81" (427mm) of snow.

Ocean temperature

In October, the average ocean temperature in Belfast is 54.1°F (12.3°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. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Belfast, the average length of the day in October is 11h.

Sunshine

In October, the average sunshine in Belfast is 6h.

UV index

The average daily maximum UV index in Belfast is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in Belfast?

In October, in Belfast, Maine, the average high-temperature is 55.8°F (13.2°C), and the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in October in Belfast?

In October, the average relative humidity in Belfast is 80%.

How much does it rain in Belfast in October?

In Belfast, Maine, in October, during 13.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When does it start snowing in Belfast?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the water temperature in October in Belfast?

In October, the average ocean temperature is 54.1°F (12.3°C). 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.

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

In Belfast, Maine, the average length of the day in October is 11h.

How many hours of sunshine does Belfast have in October?

The average sunshine in October is 6h.

What is the UV index reading in October in Belfast?

In October, the average daily maximum UV index in Belfast is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in October - Belfast, ME
  • Average high temperature in October: 55.8°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 October: 43.2°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 October - Belfast, ME
  • Average pressure in October: 29.99"

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 October - Belfast, ME
  • Average wind speed in October: 8.5mph

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 October - Belfast, ME
  • Average humidity in October: 80%

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

Average rainfall in October - Belfast, ME
  • Average rainfall in October: 2.56"

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 October - Belfast, ME
  • Average rainfall days in October: 13.3 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 October - Belfast, ME
  • Average snowfall in October: 0.04"

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 October - Belfast, ME
  • Average snowfall days in October: 0.1 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 October - Belfast, ME
  • Average sea temperature in October: 54.1°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 October / Average sunshine in October - Belfast, ME
  • Average daylight in October: 11h

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 October: 6h

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 October - Belfast, ME
  • Average sunshine days in October: 16.1 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 October - Belfast, ME
  • Average UV index in October: 3

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 October - Belfast, ME
  • Average cloud cover in October: 46

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 October - Belfast, ME
  • Average visibility in October: 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).