January weather forecast
Seal Harbor, ME

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Weather in January

January, like December, is a freezing cold winter month in Seal Harbor, Maine, with an average temperature ranging between max 29.7°F (-1.3°C) and min 18.5°F (-7.5°C).

Temperature

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

Humidity

In January, the average relative humidity is 81%.

Rainfall

In Seal Harbor, in January, it is raining for 8.1 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Seal Harbor, during January, snow falls for 11.8 days and regularly aggregates up to 5.31" (135mm) of snow. In Seal Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.

Daylight

In Seal Harbor, the average length of the day in January is 9h and 19min.
On the first day of January, sunrise is at 7:08 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:40 pm EST.

Sunshine

In January, the average sunshine 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest period tends to be January, when average temperatures fluctuate between a high of 29.7°F (-1.3°C) and a low of 18.5°F (-7.5°C).

How cold is it in January?

The high-temperature during January is 29.7°F (-1.3°C) and the low-temperature is 18.5°F (-7.5°C).

What is the average humidity in January?

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

How many days does it rain in January?

In Seal Harbor, during January, the rain falls for 8.1 days and regularly aggregates up to 3.19" (81mm) of precipitation.

How much does it snow in January?

In January, it is snowing for 11.8 days. Throughout January, 5.31" (135mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 19min.

When are sunrise and sunset in January in Seal Harbor?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:04 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 Seal Harbor have in January?

In Seal Harbor, the average sunshine duration in January is 4.5h.

What are the months with 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.

What is the UV index reading in January in Seal Harbor?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Seal Harbor, ME

Average temperature in January - Seal 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
Seal Harbor, ME

Average pressure in January - Seal 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
Seal Harbor, ME

Average wind speed in January - Seal 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
Seal Harbor, ME

Average humidity in January - Seal 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
Seal Harbor, ME

Average rainfall in January - Seal 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
Seal Harbor, ME

Average rainfall days in January - Seal 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
Seal Harbor, ME

Average snowfall in January - Seal 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
Seal Harbor, ME

Average snowfall days in January - Seal 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 daylight in January /
Average sunshine in January
Seal Harbor, ME

Average daylight in January / Average sunshine in January - Seal 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
Seal Harbor, ME

Average sunshine days in January - Seal 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
Seal Harbor, ME

Average UV index in January - Seal 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
Seal Harbor, ME

Average cloud cover in January - Seal 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
Seal Harbor, ME

Average visibility in January - Seal 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).

Seal Harbor, Maine, USA

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