January weather forecast
Brunswick, ME

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The calm Androscoggin River in Brunswick, Maine, with a rail bridge on it and scenic brown and golden trees on both sides mirrored in the water
The calm Androscoggin River in Brunswick, Maine, with a rail bridge on it and scenic brown and golden trees on both sides mirrored in the water

Weather in January

The climate in Brunswick, Maine starts off the year on a chilly note in January. The month is marked with temperatures plummeting to an average low of 18.9°F (-7.3°C). Snowfall is a frequent occurrence contributing to a considerable amount of humidity. Weather patterns denote clear visibility, although the days are often overcast. The weather in January shapes the city into a winter wonderland, compared to the milder conditions of the later months.

Temperature

With its high average temperature of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C), January is regarded as the coldest month.

Humidity

The average relative humidity in January is 80%.

Rainfall

In Brunswick, in January, it is raining for 5.1 days, with typically 1.06" (27mm) of accumulated precipitation. In Brunswick, during the entire year, the rain falls for 115.5 days and collects up to 15.51" (394mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Brunswick, Maine, in January, snow falls for 8.5 days, with typically accumulated 2.4" (61mm) of snow. Throughout the year, there are 32.1 snowfall days, and 10.75" (273mm) of snow is accumulated.

Daylight

In Brunswick, the average length of the day in January is 9h and 21min.
On the first day of January, sunrise is at 7:14 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:48 pm EST.

Sunshine

In January, the average sunshine in Brunswick is 5.1h.

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 minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In January, an average UV index of 2 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, on average, is the coldest month, registering a high temperature of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C).

How cold is it in Brunswick in January?

In Brunswick, 29.7°F (-1.3°C) is the average high-temperature and 18.9°F (-7.3°C) is the average low-temperature during January.

What is the average humidity in January?

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

How much does it rain in January?

In January, the rain falls for 5.1 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

How many days does it snow in January?

In Brunswick, during January, snow falls for 8.5 days and regularly aggregates up to 2.4" (61mm) of snow.

How many hours of daylight does Brunswick have in January?

The average day length in January is 9h and 21min.

When is the sunrise / sunset in January in Brunswick?

On the first day of January, sunrise is at 7:14 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:48 pm EST.

How long on average sun shines in January?

In Brunswick, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In Brunswick, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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 January
Brunswick, ME

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

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

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in January
Brunswick, ME

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

The month with the highest atmospheric pressure is September (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Brunswick, ME

Average wind speed in January - Brunswick, ME
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in January
Brunswick, ME

Average humidity in January - Brunswick, 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 (75%).

Average rainfall in January
Brunswick, ME

Average rainfall in January - Brunswick, ME
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is October (1.85").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in January
Brunswick, ME

Average rainfall days in January - Brunswick, ME
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in January
Brunswick, ME

Average snowfall in January - Brunswick, ME
  • Average snowfall in January: 2.4"

The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Brunswick, ME

Average snowfall days in January - Brunswick, ME
  • Average snowfall days in January: 8.5 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Brunswick, ME

Average daylight in January / Average sunshine in January - Brunswick, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in January
Brunswick, ME

Average sunshine days in January - Brunswick, ME
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (15 days).

Average UV index in January
Brunswick, ME

Average UV index in January - Brunswick, 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
Brunswick, ME

Average cloud cover in January - Brunswick, ME
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in January
Brunswick, ME

Average visibility in January - Brunswick, ME
  • Average visibility in January: 6mi

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

Brunswick, Maine, USA

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