January weather forecast
Cotuit, MA

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Weather in January

January, like December, in Cotuit, Massachusetts, is another cold winter month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 37.9°F (3.3°C).

Temperature

In Cotuit, the lowest temperatures are generally noted in January, averaging a high of 37.9°F (3.3°C) and a low of 29.7°F (-1.3°C).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Cotuit, in January, it is raining for 9.3 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 152.1 rainfall days, and 32.48" (825mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Cotuit, in January, snow falls for 6.3 days, with typically accumulated 1.38" (35mm) of snow. In Cotuit, Massachusetts, during the entire year, snow falls for 21 days and aggregates up to 7.05" (179mm) of snow.

Ocean temperature

In January, the average ocean temperature is 41.5°F (5.3°C).
Note: Swimming in 41.5°F (5.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In January, the average length of the day is 9h and 34min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:54 am and sunset at 4:55 pm EST.

Sunshine

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 low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What time of the year is the coldest?

With average high temperatures of 37.9°F (3.3°C) and lows of 29.7°F (-1.3°C), January is the coldest month.

How cold does it get in January?

The average high-temperature and low-temperature during January are 37.9°F (3.3°C) and 29.7°F (-1.3°C) respectively.

What is the average humidity in January?

The average relative humidity in January in Cotuit is 75%.

How much does it rain in January?

In January, the rain falls for 9.3 days. Throughout January, 2.8" (71mm) of precipitation is accumulated.

How much does it snow in January?

In Cotuit, Massachusetts, in January, during 6.3 snowfall days, 1.38" (35mm) of snow is typically accumulated.

What is the ocean temperature in January?

In Cotuit, in January, the average water temperature is 41.5°F (5.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in January?

The average day length in January is 9h and 34min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:55 pm EST.

How long on average sun shines in January?

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

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Cotuit, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Cotuit, MA

Average temperature in January - Cotuit, MA
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 29.7°F

The month with the highest average low temperature is August (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in January
Cotuit, MA

Average pressure in January - Cotuit, 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).

Average wind speed in January
Cotuit, MA

Average wind speed in January - Cotuit, MA
  • Average wind speed in January: 15.3mph

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

Average humidity in January
Cotuit, MA

Average humidity in January - Cotuit, MA
  • Average humidity in January: 75%

The months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is November (74%).

Average rainfall in January
Cotuit, MA

Average rainfall in January - Cotuit, MA
  • Average rainfall in January: 2.8"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in January
Cotuit, MA

Average rainfall days in January - Cotuit, MA
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in January
Cotuit, MA

Average snowfall in January - Cotuit, MA
  • Average snowfall in January: 1.38"

The month with the highest snowfall is March (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Cotuit, MA

Average snowfall days in January - Cotuit, MA
  • Average snowfall days in January: 6.3 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Cotuit, MA

Average sea temperature in January - Cotuit, MA
  • Average sea temperature in January: 41.5°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in January /
Average sunshine in January
Cotuit, MA

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Cotuit, MA

Average sunshine days in January - Cotuit, MA
  • Average sunshine days in January: 15.1 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (13 days).

Average UV index in January
Cotuit, MA

Average UV index in January - Cotuit, 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).

Average cloud cover in January
Cotuit, MA

Average cloud cover in January - Cotuit, MA
  • Average cloud cover in January: 47

The months with the most cloud cover are March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Cotuit, MA

Average visibility in January - Cotuit, 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).

Cotuit, Massachusetts, USA

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