January weather forecast
Amherst, MA

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Weather in January

In Amherst, Massachusetts, the weather in January signifies the heart of winter with its characteristic cold. Notably, lows average at 18.1°F (-7.7°C) and ice can blanket everything after a precipitous fall of snow reaching up to 4.65in. Residents expect the longer nights with the sun setting early, leaving chilling temperatures in its wake. It behooves one to dress warmly, layer up and stay indoors. Folklore and tradition preserve the winter wonder and sparkle despite the inclement weather.

Temperature

Amherst's coldest temperatures are experienced in January, with average high temperatures of 30.6°F (-0.8°C) and lows of 18.1°F (-7.7°C).

Humidity

In January, the average relative humidity is 80%.

Rainfall

In Amherst, during January, the rain falls for 8.4 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 141.3 rainfall days, and 27.05" (687mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Amherst, in January, during 9.4 snowfall days, 4.65" (118mm) of snow is typically accumulated. Throughout the year, there are 38.2 snowfall days, and 21.42" (544mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 30min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:02 pm EST.

Sunshine

In Amherst, the average sunshine in January is 5.2h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
Those with sensitive skin, infants, and children require constant safeguarding 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with an average high of 30.6°F (-0.8°C) and a low of 18.1°F (-7.7°C), signifies the coldest month of the year.

How cold is it in January?

January temperatures vary between a high-temperature of 30.6°F (-0.8°C) and a low-temperature of 18.1°F (-7.7°C).

What is the average humidity in January?

The average relative humidity in January in Amherst is 80%.

How many days does it rain in January?

In Amherst, in January, it is raining for 8.4 days, with typically 2.17" (55mm) of accumulated precipitation.

How many days does it snow in January?

In Amherst, in January, during 9.4 snowfall days, 4.65" (118mm) of snow is typically accumulated.

How many hours of daylight does Amherst have in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:19 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:02 pm EST.

How many hours of sunshine does Amherst have in January?

The average sunshine duration in January is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Amherst, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Amherst, MA

Average temperature in January - Amherst, MA
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 18.1°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in January
Amherst, MA

Average pressure in January - Amherst, MA
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in January
Amherst, MA

Average wind speed in January - Amherst, MA
  • Average wind speed in January: 7.8mph

The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Amherst, MA

Average humidity in January - Amherst, MA
  • Average humidity in January: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall in January
Amherst, MA

Average rainfall in January - Amherst, MA
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in January
Amherst, MA

Average rainfall days in January - Amherst, MA
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in January
Amherst, MA

Average snowfall in January - Amherst, MA
  • Average snowfall in January: 4.65"

The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Amherst, MA

Average snowfall days in January - Amherst, MA
  • Average snowfall days in January: 9.4 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Amherst, MA
  • Average daylight in January: 9h and 3min

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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Amherst, MA

Average sunshine days in January - Amherst, MA
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is March (13.6 days).

Average UV index in January
Amherst, MA

Average UV index in January - Amherst, 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, October, November and December (UV index 2).

Average cloud cover in January
Amherst, MA

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

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Amherst, MA

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

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

Amherst, Massachusetts, USA

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