October weather forecast
Sullivan, ME

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Weather in October

October, the same as September, in Sullivan, Maine, is another mild autumn month, with an average temperature varying between 45°F (7.2°C) and 55.9°F (13.3°C).

Temperature

In Sullivan, the beginning of October is marked by a lowered average high-temperature, shifting from September's enjoyable 67.1°F (19.5°C) to a still refreshing 55.9°F (13.3°C). Sullivan, during October, witnesses an average low-temperature of 45°F (7.2°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Sullivan, Maine, in October, it is raining for 14 days, with typically 3.35" (85mm) of accumulated precipitation. In Sullivan, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Sullivan, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

Ocean temperature

In Sullivan, Maine, the average seawater temperature in October is 52.9°F (11.6°C).
Note: Beware of 52.9°F (11.6°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.

Daylight

In Sullivan, the average length of the day in October is 10h and 58min.
On the first day of October in Sullivan, Maine, sunrise is at 6:31 am and sunset at 6:12 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:22 pm EDT.

Sunshine

The average sunshine in October in Sullivan is 6.3h.

UV index

In October, the average daily maximum UV index in Sullivan is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average October temperature in Sullivan?

An average high-temperature, in October, in Sullivan, is 55.9°F (13.3°C) and the average low-temperature is 45°F (7.2°C).

What is the average humidity in October in Sullivan?

The average relative humidity in October is 78%.

How much does it rain in Sullivan in October?

In October, in Sullivan, the rain falls for 14 days. Throughout October, 3.35" (85mm) of precipitation is accumulated.

When does it start to snow in Sullivan?

October is the first month it typically snows in Sullivan, Maine. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the water temperature in October in Sullivan?

In Sullivan, the average seawater temperature in October is 52.9°F (11.6°C). Swimming in 52.9°F (11.6°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 Sullivan?

In Sullivan, Maine, the average day length in October is 10h and 58min.

When are sunrise and sunset in October in Sullivan?

In October, on the first day of the month, sunrise is at 6:31 am and sunset at 6:12 pm. On the last day of the month, in Sullivan, sunrise is at 7:09 am and sunset at 5:22 pm EDT.

How long on average sun shines in October in Sullivan?

In October, the average sunshine duration in Sullivan, Maine, is 6.3h.

What is the UV index intensity in October in Sullivan?

In Sullivan, Maine, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Sullivan, ME

Average temperature in October - Sullivan, ME
  • Average high temperature in October: 55.9°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in October
Sullivan, ME

Average pressure in October - Sullivan, ME
  • Average pressure in October: 29.99"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).

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Average wind speed in October
Sullivan, ME

Average wind speed in October - Sullivan, ME
  • Average wind speed in October: 8.9mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in October
Sullivan, ME

Average humidity in October - Sullivan, ME
  • Average humidity in October: 78%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in October
Sullivan, ME

Average rainfall in October - Sullivan, ME
  • Average rainfall in October: 3.35"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

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Average rainfall days in October
Sullivan, ME

Average rainfall days in October - Sullivan, ME
  • Average rainfall days in October: 14 days

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in October
Sullivan, ME

Average snowfall in October - Sullivan, ME
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Sullivan, ME

Average snowfall days in October - Sullivan, ME
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in October
Sullivan, ME

Average sea temperature in October - Sullivan, ME
  • Average sea temperature in October: 52.9°F

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°F).

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Average daylight in October /
Average sunshine in October
Sullivan, ME

Average daylight in October / Average sunshine in October - Sullivan, ME
  • Average daylight in October: 11h and 0min

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).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in October
Sullivan, ME

Average sunshine days in October - Sullivan, ME
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in October
Sullivan, ME

Average UV index in October - Sullivan, ME
  • Average UV index in October: 3

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).

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Average cloud cover in October
Sullivan, ME

Average cloud cover in October - Sullivan, ME
  • Average cloud cover in October: 44

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in October
Sullivan, ME

Average visibility in October - Sullivan, ME
  • Average visibility in October: 6mi

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

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Sullivan, Maine, USA

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