January weather forecast
Boston, NY

Weather in January

January, the same as December, in Boston, New York, is a freezing cold winter month, with an average temperature ranging between min 17.4°F (-8.1°C) and max 27.9°F (-2.3°C).

Temperature

With an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 17.4°F (-8.1°C), January is the coldest month.

Humidity

January and February, with an average relative humidity of 88%, are the most humid months in Boston.

Rainfall

In Boston, in January, during 7.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Boston, New York, there are 151.9 rainfall days, and 19.21" (488mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Boston, during January, snow falls for 16.7 days and regularly aggregates up to 3.62" (92mm) of snow. In Boston, New York, during the entire year, snow falls for 71.6 days and aggregates up to 19.21" (488mm) of snow.

Daylight

In January, the average length of the day is 9h and 29min.
On the first day of January in Boston, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:26 pm EST.

Sunshine

With an average of 2.3h of sunshine, January has the least sunshine of the year in Boston.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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 Boston?

With an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 17.4°F (-8.1°C), January is the coldest month in Boston, New York.

What is the temperature in January in Boston?

The average high-temperature, in January, in Boston, New York, is 27.9°F (-2.3°C), while the average low-temperature is 17.4°F (-8.1°C).

What are the most humid months in Boston?

The months with the highest humidity in Boston are January and February, with an average relative humidity of 88%.

What is the average humidity in January in Boston?

The average relative humidity in January in Boston, New York, is 88%.

How much does it rain in Boston in January?

In Boston, in January, it is raining for 7.2 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in Boston in January?

In Boston, during January, snow falls for 16.7 days and regularly aggregates up to 3.62" (92mm) of snow.

What is the average length of the day in January in Boston?

In January, the average day length in Boston is 9h and 29min.

What time are sunrise and sunset in January in Boston?

In January, on the first day of the month, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, in Boston, sunrise is at 7:29 am and sunset at 5:26 pm EST.

What is the month with the least sunshine in Boston?

With an average of 2.3h of sunshine, January has the least sunshine of the year in Boston, New York.

How long on average sun shines in January in Boston?

The average sunshine duration in January in Boston, New York, is 2.3h.

What is the month with the lowest UV index in Boston?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Boston?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Boston, NY

Average temperature in January - Boston, NY
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in January
Boston, NY

Average pressure in January - Boston, NY
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Boston, NY

Average wind speed in January - Boston, NY
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in January
Boston, NY

Average humidity in January - Boston, NY
  • Average humidity in January: 88%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (79%).

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Average rainfall in January
Boston, NY

Average rainfall in January - Boston, NY
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in January
Boston, NY

Average rainfall days in January - Boston, NY
  • Average rainfall days in January: 7.2 days

The month with the highest number of rainy days is October (17.2 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in January
Boston, NY

Average snowfall in January - Boston, NY
  • Average snowfall in January: 3.62"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Boston, NY

Average snowfall days in January - Boston, NY
  • Average snowfall days in January: 16.7 days

The month with the highest number of snowfall days is January (16.7 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
Boston, NY

Average daylight in January / Average sunshine in January - Boston, NY
  • Average daylight in January: 9h and 29min

The month with the longest days is June (Average daylight: 15h and 16min).
The month with the shortest days is December (Average daylight: 9h and 7min).

  • Average sunshine in January: 2h and 18min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in January
Boston, NY

Average sunshine days in January - Boston, NY
  • Average sunshine days in January: 8.6 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (8.6 days).

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Average UV index in January
Boston, NY

Average UV index in January - Boston, NY
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in January
Boston, NY

Average cloud cover in January - Boston, NY
  • Average cloud cover in January: 78

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Boston, NY

Average visibility in January - Boston, NY
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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