January weather forecastAllston, MA

January

Weather in January

January, like December, in Allston, Massachusetts, is another cold winter month, with an average temperature ranging between max 33.8°F (1°C) and min 22.5°F (-5.3°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 33.8°F (1°C) and a low of 22.5°F (-5.3°C).

Humidity

January and February, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Allston, during January, the rain falls for 4.3 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Allston, during the entire year, the rain falls for 81.8 days and collects up to 5.51" (140mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Allston. In Allston, in January, during 4.8 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Allston, during the entire year, snow falls for 16.8 days and aggregates up to 2.4" (61mm) of snow.

Daylight

In Allston, the average length of the day in January is 9h and 30min.
On the first day of January, sunrise is at 7:13 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:56 pm EST.

Sunshine

In January, the average sunshine is 5.2h.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

January is the coldest month of the year, registering average temperatures as high as 33.8°F (1°C) and as low as 22.5°F (-5.3°C).

The average high-temperature and low-temperature during January are 33.8°F (1°C) and 22.5°F (-5.3°C) respectively.

January and February, with an average relative humidity of 77%, are most humid months.

The average relative humidity in January is 77%.

In Allston, during January, the rain falls for 4.3 days and regularly aggregates up to 0.39" (10mm) of precipitation.

In January, it is snowing for 4.8 days. Throughout January, 0.35" (9mm) of snow is accumulated.

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

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, sunrise is at 6:59 am and sunset at 4:56 pm EST.

In January, the average sunshine duration is 5.2h.

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

In Allston, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Allston, MA

  • Average high temperature in January: 33.8°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 (33.8°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in January
Allston, MA

  • Average pressure in January: 30.01"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
Allston, MA

  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in January
Allston, MA

  • Average humidity in January: 77%

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

Average rainfall in January
Allston, MA

  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is November (0.63").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in January
Allston, MA

  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in January
Allston, MA

  • Average snowfall in January: 0.35"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Allston, MA

  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

  • Average daylight in January: 9h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 5h and 12min

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 42min).

Average sunshine days in January
Allston, MA

  • Average sunshine days in January: 23.5 days

The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is June (17.4 days).

Average UV index in January
Allston, 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).

Average cloud cover in January
Allston, 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 32).

Average visibility in January
Allston, 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).