January weather forecast
Boothbay Harbor, ME

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Weather in January

January, the same as December, in Boothbay Harbor, Maine, is another subzero cold winter month, with an average temperature ranging between max 29.7°F (-1.3°C) and min 18°F (-7.8°C).

Temperature

January, characterized by an average high temperature of 29.7°F (-1.3°C) and a low temperature of 18°F (-7.8°C), is generally the coldest month.

Humidity

In Boothbay Harbor, the average relative humidity in January is 80%.

Rainfall

In January, the rain falls for 6.6 days. Throughout January, 2.44" (62mm) of precipitation is accumulated. Throughout the year, in Boothbay Harbor, there are 142.1 rainfall days, and 30.51" (775mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. January is the month with the most snowfall in Boothbay Harbor. Snow falls for 9.2 days and accumulates 5.28" (134mm) of snow.

Ocean temperature

In Boothbay Harbor, the average seawater temperature in January is 41.4°F (5.2°C).
Note: Without suitable protection, venturing into 41.4°F (5.2°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths.

Daylight

The average length of the day in January in Boothbay Harbor is 9h and 22min.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:11 pm. On the last day of January, in Boothbay Harbor, sunrise is at 6:56 am and sunset at 4:47 pm EST.

Sunshine

In Boothbay Harbor, Maine, the average sunshine in January is 5h.

UV index

The months with the lowest UV index in Boothbay Harbor 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 minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 2 in January leads to these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest time of year in Boothbay Harbor?

Boothbay Harbor's coldest weather arrives in January, when temperatures average a high of 29.7°F (-1.3°C) and a low of 18°F (-7.8°C).

How cold is January in Boothbay Harbor?

The average high-temperature and low-temperature in Boothbay Harbor during January are 29.7°F (-1.3°C) and 18°F (-7.8°C) respectively.

What is the average humidity in January in Boothbay Harbor?

The average relative humidity in January is 80%.

How many days does it rain in January in Boothbay Harbor?

In January, in Boothbay Harbor, the rain falls for 6.6 days. Throughout January, 2.44" (62mm) of precipitation is accumulated.

When does it snow the most in Boothbay Harbor?

January is the month with the most snowfall. Snow falls for 9.2 days and accumulates 5.28" (134mm) of snow.

How many days does it snow in January in Boothbay Harbor?

In Boothbay Harbor, Maine, in January, snow falls for 9.2 days, with typically accumulated 5.28" (134mm) of snow.

What is the water temperature in January in Boothbay Harbor?

In Boothbay Harbor, Maine, the average seawater temperature in January is 41.4°F (5.2°C). Swimming in 41.4°F (5.2°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 in Boothbay Harbor?

The average day length in January is 9h and 22min.

When are sunrise and sunset in January in Boothbay Harbor?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:11 pm. On the last day of the month, in Boothbay Harbor, Maine, sunrise is at 6:56 am and sunset at 4:47 pm EST.

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

In Boothbay Harbor, the average sunshine duration in January is 5h.

What is the month with the lowest UV index in Boothbay Harbor?

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

What is the UV index intensity in January in Boothbay Harbor?

The average daily maximum UV index in January in Boothbay Harbor is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe 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
Boothbay Harbor, ME

Average temperature in January - Boothbay Harbor, ME
  • Average high temperature in January: 29.7°F

The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in January
Boothbay Harbor, ME

Average pressure in January - Boothbay Harbor, ME
  • Average pressure in January: 29.97"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Boothbay Harbor, ME

Average wind speed in January - Boothbay Harbor, ME
  • Average wind speed in January: 10.6mph

The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Boothbay Harbor, ME

Average humidity in January - Boothbay Harbor, ME
  • Average humidity in January: 80%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in January
Boothbay Harbor, ME

Average rainfall in January - Boothbay Harbor, ME
  • Average rainfall in January: 2.44"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in January
Boothbay Harbor, ME

Average rainfall days in January - Boothbay Harbor, ME
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in January
Boothbay Harbor, ME

Average snowfall in January - Boothbay Harbor, ME
  • Average snowfall in January: 5.28"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Boothbay Harbor, ME

Average snowfall days in January - Boothbay Harbor, ME
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in January
Boothbay Harbor, ME

Average sea temperature in January - Boothbay Harbor, ME
  • Average sea temperature in January: 41.3°F

The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

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Average sunshine days in January
Boothbay Harbor, ME

Average sunshine days in January - Boothbay Harbor, ME
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).

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Average UV index in January
Boothbay Harbor, ME

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

The month with the highest UV index is July (UV index 6).
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 January
Boothbay Harbor, ME

Average cloud cover in January - Boothbay Harbor, ME
  • Average cloud cover in January: 47

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Boothbay Harbor, ME

Average visibility in January - Boothbay Harbor, ME
  • Average visibility in January: 6mi

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

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Boothbay Harbor, Maine, USA

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