January weather forecast
North Plymouth, MA

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Weather in January

January, the same as December, is another cold winter month in North Plymouth, Massachusetts, with an average temperature varying between 26.1°F (-3.3°C) and 35.8°F (2.1°C).

Temperature

In North Plymouth, January is the coldest month, with temperatures averaging a high of 35.8°F (2.1°C) and a low of 26.1°F (-3.3°C).

Humidity

In North Plymouth, the average relative humidity in January is 76%.

Rainfall

In North Plymouth, in January, it is raining for 7.4 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in North Plymouth, Massachusetts, there are 132.2 rainfall days, and 16.3" (414mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In North Plymouth, in January, snow falls for 7.1 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, in North Plymouth, Massachusetts, there are 23.3 snowfall days, and 5.87" (149mm) of snow is accumulated.

Ocean temperature

In North Plymouth, in January, the average water temperature is 41.4°F (5.2°C).
Note: Swimming in 41.4°F (5.2°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

The average length of the day in January in North Plymouth is 9h and 32min.
On the first day of January, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:55 pm EST.

Sunshine

In North Plymouth, the average sunshine in January is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 2 in January translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What month is the coldest in North Plymouth?

January, known for its average high temperature of 35.8°F (2.1°C) and an average low temperature of 26.1°F (-3.3°C), is the coldest month in North Plymouth.

How cold is it in North Plymouth in January?

The high-temperature in North Plymouth, Massachusetts, during January is 35.8°F (2.1°C) and the low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January in North Plymouth?

In January, the average relative humidity in North Plymouth is 76%.

How many days does it rain in January in North Plymouth?

In North Plymouth, Massachusetts, during January, the rain falls for 7.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How many days does it snow in January in North Plymouth?

In North Plymouth, during January, snow falls for 7.1 days and regularly aggregates up to 1.18" (30mm) of snow.

What is the water temperature in January in North Plymouth?

In North Plymouth, Massachusetts, 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.

How many hours of daylight does North Plymouth have in January?

In January, the average day length in North Plymouth, Massachusetts, is 9h and 32min.

When is the sunrise / sunset in January in North Plymouth?

On the first day of January, sunrise is at 7:10 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:55 pm EST.

How many hours of sunshine does North Plymouth have in January?

In January, the average sunshine duration in North Plymouth is 5h.

When is the lowest UV index in North Plymouth?

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 North Plymouth?

In North Plymouth, Massachusetts, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
North Plymouth, MA

Average temperature in January - North Plymouth, MA
  • Average high temperature in January: 35.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in January
North Plymouth, MA

Average pressure in January - North Plymouth, MA
  • Average pressure in January: 30"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
North Plymouth, MA

Average wind speed in January - North Plymouth, MA
  • Average wind speed in January: 12.3mph

The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in January
North Plymouth, MA

Average humidity in January - North Plymouth, MA
  • Average humidity in January: 76%

The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are March, April and November (74%).

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Average rainfall in January
North Plymouth, MA

Average rainfall in January - North Plymouth, MA
  • Average rainfall in January: 1.26"

The wettest months (with the highest rainfall) are July and October (1.65").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in January
North Plymouth, MA

Average rainfall days in January - North Plymouth, MA
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in January
North Plymouth, MA

Average snowfall in January - North Plymouth, MA
  • Average snowfall in January: 1.18"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
North Plymouth, MA

Average snowfall days in January - North Plymouth, MA
  • Average snowfall days in January: 7.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in January
North Plymouth, MA

Average sea temperature in January - North Plymouth, MA
  • Average sea temperature in January: 41.3°F

The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).

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Average daylight in January /
Average sunshine in January
North Plymouth, MA

Average daylight in January / Average sunshine in January - North Plymouth, MA
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in January
North Plymouth, MA

Average sunshine days in January - North Plymouth, MA
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in January
North Plymouth, MA

Average UV index in January - North Plymouth, MA
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (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
North Plymouth, MA

Average cloud cover in January - North Plymouth, MA
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
North Plymouth, MA

Average visibility in January - North Plymouth, MA
  • 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).

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North Plymouth, Massachusetts, USA

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