January weather forecast
Boylston, MA

Weather in January

January, the same as December, in Boylston, Massachusetts, is a freezing cold winter month, with an average temperature fluctuating between 19.8°F (-6.8°C) and 31.5°F (-0.3°C).

Temperature

January is the coldest month, with an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C).

Humidity

The average relative humidity in January in Boylston is 79%.

Rainfall

In Boylston, it is raining for 8.2 days, with typically 2.24" (57mm) of accumulated precipitation. In Boylston, during the entire year, the rain falls for 150.4 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Boylston, in January, snow falls for 8.7 days, with typically accumulated 4.06" (103mm) of snow. Throughout the year, in Boylston, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 30min.
On the first day of January in Boylston, sunrise is at 7:15 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:59 pm EST.

Sunshine

In Boylston, 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 in Boylston, Massachusetts. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged 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 Boylston?

With an average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month in Boylston.

What is the average humidity in January in Boylston?

In Boylston, Massachusetts, the average relative humidity in January is 79%.

How many days does it rain in January in Boylston?

In Boylston, during January, the rain falls for 8.2 days and regularly aggregates up to 2.24" (57mm) of precipitation.

How much does it snow in Boylston in January?

In January, in Boylston, it is snowing for 8.7 days. Throughout January, 4.06" (103mm) of snow is accumulated.

How many hours of daylight does Boylston have in January?

In Boylston, Massachusetts, the average day length in January is 9h and 30min.

When is the sunrise / sunset in January in Boylston?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:59 pm EST.

How long on average sun shines in January in Boylston?

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

When is the lowest UV index in Boylston?

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 Boylston?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Boylston, MA

Average temperature in January - Boylston, MA
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
Boylston, MA

Average pressure in January - Boylston, MA
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Boylston, MA

Average wind speed in January - Boylston, MA
  • Average wind speed in January: 8.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Boylston, MA

Average humidity in January - Boylston, MA
  • Average humidity in January: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Boylston, MA

Average rainfall in January - Boylston, MA
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in January
Boylston, MA

Average rainfall days in January - Boylston, MA
  • Average rainfall days in January: 8.2 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in January
Boylston, MA

Average snowfall in January - Boylston, MA
  • Average snowfall in January: 4.06"

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Boylston, MA

Average snowfall days in January - Boylston, MA
  • Average snowfall days in January: 8.7 days

The month with the highest number of snowfall days is February (9.4 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
Boylston, MA

Average daylight in January / Average sunshine in January - Boylston, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Boylston, MA

Average sunshine days in January - Boylston, MA
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in January
Boylston, MA

Average UV index in January - Boylston, 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
Boylston, MA

Average cloud cover in January - Boylston, MA
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Boylston, MA

Average visibility in January - Boylston, MA
  • Average visibility in January: 5mi

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

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