January weather forecast
Bar Harbor, ME

englishespañol中文
Share
The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island
The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island

Weather in January

Winter settles into Bar Harbor, Maine, creating a frosty tableau as January unfolds. Snowfall tends to be extraordinary, peaking at 5.31" (135mm), a common sight during this month. It is the ideal time for winter sports enthusiasts who wish to appreciate the aesthetic allure of the snow-draped city. Moreover, daylight hours are relatively short, restricting opportunities for outdoor activities. It is crucial to pack and dress warmly when traveling during this time of year to combat the biting cold and chilling winds.

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 29.7°F (-1.3°C) and a low of 18.5°F (-7.5°C).

Humidity

In Bar Harbor, the average relative humidity in January is 81%.

Rainfall

In January, the rain falls for 8.1 days. Throughout January, 3.19" (81mm) of precipitation is accumulated. In Bar Harbor, 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. In Bar Harbor, during January, snow falls for 11.8 days and regularly aggregates up to 5.31" (135mm) of snow. In Bar Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

Ocean temperature

In Bar Harbor, the average seawater temperature in January is 41.7°F (5.4°C).
Note: Beware of 41.7°F (5.4°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 January, the average length of the day is 9h and 18min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:03 pm. On the last day of January, sunrise is at 6:52 am and sunset at 4:40 pm EST.

Sunshine

The average sunshine in January is 4.5h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What is the coldest month?

With its average high temperature of 29.7°F (-1.3°C) and a low of 18.5°F (-7.5°C), January is regarded as the coldest month.

How cold is January?

An average high-temperature, in January, in Bar Harbor, is 29.7°F (-1.3°C) and the average low-temperature is 18.5°F (-7.5°C).

What is the average humidity in January?

In January, the average relative humidity is 81%.

How much does it rain in January?

In January, the rain falls for 8.1 days. Throughout January, 3.19" (81mm) of precipitation is accumulated.

How many days does it snow in January?

In Bar Harbor, in January, during 11.8 snowfall days, 5.31" (135mm) of snow is typically accumulated.

What is the water temperature in January?

In Bar Harbor, Maine, the average seawater temperature in January is 41.7°F (5.4°C). Swimming in 41.7°F (5.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January?

The average day length in January is 9h and 18min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:08 am and sunset at 4:03 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:40 pm EST.

How many hours of sunshine does Bar Harbor have in January?

In January, the average sunshine duration is 4.5h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January in Bar Harbor is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
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 January
Bar Harbor, ME

Average temperature in January - Bar Harbor, ME
  • Average high temperature in January: 29.7°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 January: 18.5°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).

Average pressure in January
Bar Harbor, ME

Average pressure in January - Bar Harbor, ME
  • Average pressure in January: 29.95"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).

Average wind speed in January
Bar Harbor, ME

Average wind speed in January - Bar Harbor, ME
  • Average wind speed in January: 10.4mph

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).

Average humidity in January
Bar Harbor, ME

Average humidity in January - Bar Harbor, ME
  • Average humidity in January: 81%

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

Average rainfall in January
Bar Harbor, ME

Average rainfall in January - Bar Harbor, ME
  • Average rainfall in January: 3.19"

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

Average rainfall days in January
Bar Harbor, ME

Average rainfall days in January - Bar Harbor, ME
  • Average rainfall days in January: 8.1 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).

Average snowfall in January
Bar Harbor, ME

Average snowfall in January - Bar Harbor, ME
  • Average snowfall in January: 5.31"

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

Average snowfall days in January
Bar Harbor, ME

Average snowfall days in January - Bar Harbor, ME
  • Average snowfall days in January: 11.8 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).

Average sea temperature in January
Bar Harbor, ME

Average sea temperature in January - Bar Harbor, ME
  • Average sea temperature in January: 41.7°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 (38.6°F).

Average daylight in January /
Average sunshine in January
Bar Harbor, ME

Average daylight in January / Average sunshine in January - Bar Harbor, ME
  • Average daylight in January: 9h and 2min

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 January: 4h and 3min

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).

Average sunshine days in January
Bar Harbor, ME

Average sunshine days in January - Bar Harbor, ME
  • Average sunshine days in January: 14.4 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).

Average UV index in January
Bar Harbor, ME

Average UV index in January - Bar Harbor, ME
  • Average UV index in January: 2

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).

Average cloud cover in January
Bar Harbor, ME

Average cloud cover in January - Bar Harbor, ME
  • Average cloud cover in January: 52

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).

Average visibility in January
Bar Harbor, ME

Average visibility in January - Bar Harbor, ME
  • Average visibility in January: 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).

Bar Harbor, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location