January weather forecast
Dennis Port, MA

Weather in January

January, the same as December, is a wintry winter month in Dennis Port, Massachusetts, with an average temperature varying between 30.6°F (-0.8°C) and 38.5°F (3.6°C).

Temperature

The coldest month is January, with an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 30.6°F (-0.8°C).

Humidity

The average relative humidity in January in Dennis Port is 75%.

Rainfall

In Dennis Port, during 8.4 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Dennis Port, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.

Snowfall

January through April and December are months with snowfall. The month with the most snowfall in Dennis Port is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.

Daylight

The average length of the day in January in Dennis Port is 9h and 34min.
On the first day of January in Dennis Port, sunrise is at 7:07 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:54 pm EST.

Sunshine

In Dennis Port, Massachusetts, the average sunshine in January is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dennis Port, Massachusetts. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Dennis Port?

The coldest month in Dennis Port, Massachusetts, is January, with an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 30.6°F (-0.8°C).

What is the temperature in January in Dennis Port?

The average high-temperature, in January, in Dennis Port, Massachusetts, is 38.5°F (3.6°C), while the average low-temperature is 30.6°F (-0.8°C).

What is the average humidity in January in Dennis Port?

The average relative humidity in January is 75%.

How much does it rain in Dennis Port in January?

In Dennis Port, Massachusetts, in January, it is raining for 8.4 days, with typically 1.06" (27mm) of accumulated precipitation.

When does it snow the most in Dennis Port?

The month with the most snowfall in Dennis Port, Massachusetts, is January, when snow falls for 6.4 days and typically aggregates up to 0.87" (22mm) of snow.

How much does it snow in Dennis Port in January?

In Dennis Port, in January, during 6.4 snowfall days, 0.87" (22mm) of snow is typically accumulated.

How many hours of daylight does Dennis Port have in January?

In Dennis Port, Massachusetts, the average day length in January is 9h and 34min.

When are sunrise and sunset in January in Dennis 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, sunrise is at 6:53 am and sunset at 4:54 pm EST.

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

The average sunshine duration in January in Dennis Port, Massachusetts, is 4.8h.

When is the lowest UV index in Dennis Port?

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

What is the UV index intensity in January in Dennis Port?

In Dennis Port, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Dennis Port, MA

Average temperature in January - Dennis Port, MA
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 30.6°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in January
Dennis Port, MA

Average pressure in January - Dennis 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
Dennis Port, MA

Average wind speed in January - Dennis Port, MA
  • Average wind speed in January: 16.8mph

The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

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Average humidity in January
Dennis Port, MA

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

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in January
Dennis Port, MA

Average rainfall in January - Dennis Port, MA
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").

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Average rainfall days in January
Dennis Port, MA

Average rainfall days in January - Dennis Port, MA
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in January
Dennis Port, MA

Average snowfall in January - Dennis Port, MA
  • Average snowfall in January: 0.87"

The month with the highest snowfall is January (0.87").
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
Dennis Port, MA

Average snowfall days in January - Dennis Port, MA
  • Average snowfall days in January: 6.4 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Dennis Port, MA
  • Average daylight in January: 9h and 34min

The month with the longest days is June (Average daylight: 15h and 9min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in January: 4h and 48min

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

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Average sunshine days in January
Dennis Port, MA

Average sunshine days in January - Dennis Port, MA
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).

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Average UV index in January
Dennis Port, MA

Average UV index in January - Dennis 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
Dennis Port, MA

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

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Dennis Port, MA

Average visibility in January - Dennis 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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