Gloucester
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Gloucester, MA

January, the same as December, is another cold winter month in Gloucester, Massachusetts, with average temperature ranging between max 34.9°F (1.6°C) and min 26.1°F (-3.3°C).

Temperature

The coldest month is January, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 26.1°F (-3.3°C).

Humidity

In Gloucester, the average relative humidity is 75%.

Rainfall

In January, the rain falls for 8.3 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 150.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Gloucester, during January, snow falls for 7.8 days and regularly aggregates up to 1.93" (49mm) of snow. In Gloucester, during the entire year, snow falls for 27.4 days, and aggregates up to 9.17" (233mm) of snow.

Ocean temperature

In Gloucester, Massachusetts, the average seawater temperature in January is 41.5°F (5.3°C).
Note: 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.

Daylight

In January, the average length of the day is 9.5h.

Sunshine

In Gloucester, the average sunshine in January is 5h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Gloucester?

The coldest month in Gloucester is January, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 26.1°F (-3.3°C).

What is the temperature in January in Gloucester?

In Gloucester, Massachusetts, in January, the average high-temperature is 34.9°F (1.6°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January in Gloucester?

In Gloucester, Massachusetts, the average relative humidity in January is 75%.

How many days does it rain in January in Gloucester?

In Gloucester, in January, during 8.3 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How much does it snow in Gloucester in January?

In Gloucester, Massachusetts, in January, snow falls for 7.8 days, with typically accumulated 1.93" (49mm) of snow.

What is the ocean temperature in January in Gloucester?

In January, the average ocean temperature in Gloucester 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.

How many hours of daylight does Gloucester have in January?

In Gloucester, the average length of the day in January is 9.5h.

How long on average sun shines in January in Gloucester?

The average sunshine in January in Gloucester, Massachusetts, is 5h.

What are the months with the lowest UV index in Gloucester?

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

What is the UV index reading in January in Gloucester?

The average daily maximum UV index in January in Gloucester is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in January - Gloucester, MA
  • Average high temperature in January: 34.9°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January - Gloucester, MA
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in January - Gloucester, MA
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in January - Gloucester, MA
  • Average snowfall in January: 1.93"

The month with the highest snowfall is February (2.6").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January - Gloucester, MA
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is January (7.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in January - Gloucester, MA
  • Average sea temperature in January: 41.6°F

The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

Average daylight in January / Average sunshine in January - Gloucester, MA
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 5h

The month with the most sunshine is August (Average sunshine: 10.8h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average UV index in January - Gloucester, MA
  • Average UV index in January: 2

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).