January weather forecast
Plymouth, MN

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Weather in January

Plymouth, Minnesota, experiences harsh winter conditions during the month of January. The frigid temperatures can hit lows around 7.5°F (-13.6°C), making outdoor activities considerable challenges. The biting cold is typically accompanied by an elevated amount of snowfall. Driving conditions may be hazardous due to the cold temperatures, snow, and reduced visibility. Proper precaution and preparation must be done to prevent mishaps due to inclement weather conditions.

Temperature

Plymouth witnesses the coldest weather in January, with temperatures averaging a high of 20.1°F (-6.6°C) and a low of 7.5°F (-13.6°C).

Humidity

The most humid month in Plymouth is January, with an average relative humidity of 90%.

Rainfall

The month with the least rainfall in Plymouth is January, when the rain falls for 1.9 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Plymouth, in January, during 15.7 snowfall days, 3.5" (89mm) of snow is typically accumulated. In Plymouth, during the entire year, snow falls for 64.5 days and aggregates up to 22.09" (561mm) of snow.

Daylight

In Plymouth, the average length of the day in January is 9h and 14min.
On the first day of January, sunrise is at 7:51 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:19 pm CST.

Sunshine

January has the least sunshine of the year in Plymouth, with an average of 3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Plymouth?

January brings the lowest temperatures in Plymouth, Minnesota, with an average high of 20.1°F (-6.6°C) and an average low of 7.5°F (-13.6°C).

How cold is January in Plymouth?

The high-temperature, in January, in Plymouth, records 20.1°F (-6.6°C), while the low-temperature is 7.5°F (-13.6°C).

What is the most humid month in Plymouth?

With an average relative humidity of 90%, January is the most humid month.

What is the average humidity in January in Plymouth?

In January, the average relative humidity is 90%.

What is the driest month in Plymouth?

January is the month with the least rainfall. Rain falls for 1.9 days and accumulates 0.55" (14mm) of precipitation.

How much does it rain in Plymouth in January?

In Plymouth, in January, during 1.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in January in Plymouth?

In Plymouth, Minnesota, during January, snow falls for 15.7 days and regularly aggregates up to 3.5" (89mm) of snow.

What is the average length of the day in January in Plymouth?

In Plymouth, Minnesota, the average day length in January is 9h and 14min.

When is the sunrise / sunset in January in Plymouth?

On the first day of January, sunrise is at 7:51 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Plymouth?

The month with the least sunshine in Plymouth, Minnesota, is January, with an average of 3h of sunshine.

How long on average sun shines in January in Plymouth?

The average sunshine duration in January in Plymouth is 3h.

What is the month with the lowest UV index in Plymouth?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in January in Plymouth?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes 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
Plymouth, MN

Average temperature in January - Plymouth, MN
  • Average high temperature in January: 20.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in January: 7.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

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Average pressure in January
Plymouth, MN

Average pressure in January - Plymouth, MN
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in January
Plymouth, MN

Average wind speed in January - Plymouth, MN
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in January
Plymouth, MN

Average humidity in January - Plymouth, MN
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (70%).

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Average rainfall in January
Plymouth, MN

Average rainfall in January - Plymouth, MN
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in January
Plymouth, MN

Average rainfall days in January - Plymouth, MN
  • Average rainfall days in January: 1.9 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).

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Average snowfall in January
Plymouth, MN

Average snowfall in January - Plymouth, MN
  • Average snowfall in January: 3.5"

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Plymouth, MN

Average snowfall days in January - Plymouth, MN
  • Average snowfall days in January: 15.7 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Plymouth, MN

Average daylight in January / Average sunshine in January - Plymouth, MN
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).

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Average sunshine days in January
Plymouth, MN

Average sunshine days in January - Plymouth, MN
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in January
Plymouth, MN

Average UV index in January - Plymouth, MN
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in January
Plymouth, MN

Average cloud cover in January - Plymouth, MN
  • Average cloud cover in January: 68

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in January
Plymouth, MN

Average visibility in January - Plymouth, MN
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Plymouth, Minnesota, USA

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