January weather forecast
East Boston, MA

Weather in January

January, like December, in East Boston, Massachusetts, is another cold winter month, with an average temperature varying between 34.2°F (1.2°C) and 22.6°F (-5.2°C).

Temperature

With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month.

Humidity

The average relative humidity in January in East Boston is 76%.

Rainfall

In January, the rain falls for 7.9 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. Throughout the year, in East Boston, there are 141.4 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

Months with snowfall in East Boston are January through May, October through December. In East Boston, during January, snow falls for 7.6 days and regularly aggregates up to 2.76" (70mm) of snow. In East Boston, during the entire year, snow falls for 29.8 days and aggregates up to 15.75" (400mm) of snow.

Daylight

In January, the average length of the day in East Boston, Massachusetts, is 9h and 30min.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of January, in East Boston, sunrise is at 6:58 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in January is 5.1h.

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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
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. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in East Boston?

With an average high-temperature of 34.2°F (1.2°C) and an average low-temperature of 22.6°F (-5.2°C), January is the coldest month in East Boston.

What is the temperature in January in East Boston?

The average high-temperature, in January, is 34.2°F (1.2°C), while the average low-temperature is 22.6°F (-5.2°C).

What is the average humidity in January in East Boston?

In January, the average relative humidity in East Boston is 76%.

How many days does it rain in January in East Boston?

In East Boston, in January, it is raining for 7.9 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in East Boston in January?

In East Boston, in January, snow falls for 7.6 days, with typically accumulated 2.76" (70mm) of snow.

How many hours of daylight does East Boston have in January?

The average day length in January is 9h and 30min.

What time are sunrise and sunset in January in East Boston?

In January, on the first day of the month, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of the month, in East Boston, Massachusetts, sunrise is at 6:58 am and sunset at 4:56 pm EST.

How many hours of sunshine does East Boston have in January?

In January, the average sunshine duration in East Boston, Massachusetts, is 5.1h.

When is the lowest UV index in East Boston?

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

How high is the UV index in January in East Boston?

In January, the average daily maximum UV index in East Boston, Massachusetts, is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
East Boston, MA

Average temperature in January - East Boston, MA
  • Average high temperature in January: 34.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in January: 22.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in January
East Boston, MA

Average pressure in January - East Boston, 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
East Boston, MA

Average wind speed in January - East Boston, MA
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in January
East Boston, MA

Average humidity in January - East Boston, MA
  • Average humidity in January: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in January
East Boston, MA

Average rainfall in January - East Boston, MA
  • Average rainfall in January: 2.28"

The wettest months (with the highest rainfall) are March, April and December (2.91").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in January
East Boston, MA

Average rainfall days in January - East Boston, MA
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in January
East Boston, MA

Average snowfall in January - East Boston, MA
  • Average snowfall in January: 2.76"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
East Boston, MA

Average snowfall days in January - East Boston, MA
  • Average snowfall days in January: 7.6 days

The months with the highest number of snowfall days are January and February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
East Boston, MA

Average daylight in January / Average sunshine in January - East Boston, MA
  • Average daylight in January: 9h and 30min

The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in January: 5h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
East Boston, MA

Average sunshine days in January - East Boston, MA
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in January
East Boston, MA

Average UV index in January - East Boston, 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
East Boston, MA

Average cloud cover in January - East Boston, MA
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
East Boston, MA

Average visibility in January - East Boston, 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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