January weather forecast
Yarmouth Port, MA

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Weather in January

January, the same as December, is an icy winter month in Yarmouth Port, Massachusetts, with an average temperature ranging between max 38.3°F (3.5°C) and min 30.4°F (-0.9°C).

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C).

Humidity

In Yarmouth Port, the average relative humidity in January is 75%.

Rainfall

In Yarmouth Port, during January, the rain falls for 8.2 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Yarmouth Port, there are 129.6 rainfall days, and 13.94" (354mm) of precipitation is accumulated.

Snowfall

January through April and December are months with snowfall. The months with the most snowfall in Yarmouth Port are January and February, with an average 0.63" (16mm) of accumulated snow.

Daylight

In Yarmouth Port, the average length of the day in January is 9h and 34min.
On the first day of January, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:54 pm EST.

Sunshine

In January, the average sunshine in Yarmouth Port, Massachusetts, is 4.9h.

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 low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Yarmouth Port?

January is the month when Yarmouth Port, Massachusetts, sees the average lowest temperatures, with a high of 38.3°F (3.5°C) and a low of 30.4°F (-0.9°C).

How cold is January in Yarmouth Port?

January temperatures vary between a high-temperature of 38.3°F (3.5°C) and a low-temperature of 30.4°F (-0.9°C).

What is the average humidity in January in Yarmouth Port?

The average relative humidity in January in Yarmouth Port, Massachusetts, is 75%.

How much does it rain in Yarmouth Port in January?

In Yarmouth Port, during January, the rain falls for 8.2 days and regularly aggregates up to 1.02" (26mm) of precipitation.

What is the snowiest month in Yarmouth Port?

The months with the most snowfall in Yarmouth Port, Massachusetts, are January and February, with an average 0.63" (16mm) of accumulated snow.

How much does it snow in Yarmouth Port in January?

In Yarmouth Port, during January, snow falls for 6.6 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the average length of the day in January in Yarmouth Port?

In January, the average day length is 9h and 34min.

When are sunrise and sunset in January in Yarmouth Port?

In January, on the first day of the month, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of the month, in Yarmouth Port, sunrise is at 6:54 am and sunset at 4:54 pm EST.

How long on average sun shines in January in Yarmouth Port?

In Yarmouth Port, Massachusetts, the average sunshine duration in January is 4.9h.

When is the lowest UV index in Yarmouth Port?

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 intensity in January in Yarmouth Port?

In January, the average daily maximum UV index in Yarmouth Port, Massachusetts, is 2. A UV Index reading 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
Yarmouth Port, MA

Average temperature in January - Yarmouth Port, MA
  • Average high temperature in January: 38.3°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in January: 30.4°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in January
Yarmouth Port, MA

Average pressure in January - Yarmouth Port, 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
Yarmouth Port, MA

Average wind speed in January - Yarmouth Port, MA
  • Average wind speed in January: 16.4mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

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Average humidity in January
Yarmouth Port, MA

Average humidity in January - Yarmouth Port, MA
  • Average humidity in January: 75%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in January
Yarmouth Port, MA

Average rainfall in January - Yarmouth Port, MA
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").

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Average rainfall days in January
Yarmouth Port, MA

Average rainfall days in January - Yarmouth Port, MA
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in January
Yarmouth Port, MA

Average snowfall in January - Yarmouth Port, MA
  • Average snowfall in January: 0.63"

The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in January
Yarmouth Port, MA

Average snowfall days in January - Yarmouth Port, MA
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Yarmouth Port, MA

Average daylight in January / Average sunshine in January - Yarmouth Port, MA
  • Average daylight in January: 9h and 4min

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: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in January
Yarmouth Port, MA

Average sunshine days in January - Yarmouth Port, MA
  • Average sunshine days in January: 15.6 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).

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Average UV index in January
Yarmouth Port, MA

Average UV index in January - Yarmouth Port, MA
  • Average UV index in January: 2

The months with the highest UV index are 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
Yarmouth Port, MA

Average cloud cover in January - Yarmouth Port, MA
  • Average cloud cover in January: 48

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Yarmouth Port, MA

Average visibility in January - Yarmouth Port, 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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Yarmouth Port, Massachusetts, USA

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