January weather forecast
Hamilton, MA

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Weather in January

January, the same as December, is a wintry winter month in Hamilton, Massachusetts, with an average temperature varying between 24.6°F (-4.1°C) and 34.3°F (1.3°C).

Temperature

Hamilton's coldest month, January, generally records average temperatures ranging from a high of 34.3°F (1.3°C) to a low of 24.6°F (-4.1°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

January is the month with the least rainfall. Rain falls for 6.4 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Hamilton, in January, snow falls for 6.6 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 23.9 snowfall days, and 3.35" (85mm) of snow is accumulated.

Daylight

In Hamilton, the average length of the day in January is 9h and 28min.
On the first day of January in Hamilton, sunrise is at 7:13 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:54 pm EST.

Sunshine

In January, the average sunshine 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 minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the coldest month, with an average high-temperature of 34.3°F (1.3°C) and an average low-temperature of 24.6°F (-4.1°C).

How cold is it in January?

An average high-temperature, in January, in Hamilton, is 34.3°F (1.3°C) and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in January?

The average relative humidity in January is 76%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 6.4 days and typically collects 0.59" (15mm) of precipitation.

How much does it rain in January?

In Hamilton, during January, the rain falls for 6.4 days and regularly aggregates up to 0.59" (15mm) of precipitation.

How many days does it snow in January?

In Hamilton, in January, snow falls for 6.6 days, with typically accumulated 0.43" (11mm) of snow.

How many hours of daylight does Hamilton have in January?

In Hamilton, the average day length in January is 9h and 28min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:13 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:54 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Hamilton, MA

Average temperature in January - Hamilton, MA
  • Average high temperature in January: 34.3°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in January: 24.6°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 (24.6°F).

Average pressure in January
Hamilton, MA

Average pressure in January - Hamilton, 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 (29.92"Hg).

Average wind speed in January
Hamilton, MA

Average wind speed in January - Hamilton, MA
  • Average wind speed in January: 13.4mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in January
Hamilton, MA

Average humidity in January - Hamilton, MA
  • Average humidity in January: 76%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in January
Hamilton, MA

Average rainfall in January - Hamilton, MA
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Hamilton, MA

Average rainfall days in January - Hamilton, MA
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in January
Hamilton, MA

Average snowfall in January - Hamilton, MA
  • Average snowfall in January: 0.43"

The month with the highest snowfall is March (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Hamilton, MA

Average snowfall days in January - Hamilton, MA
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in January
Hamilton, MA

Average sunshine days in January - Hamilton, MA
  • Average sunshine days in January: 18.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (16 days).

Average UV index in January
Hamilton, MA

Average UV index in January - Hamilton, MA
  • Average UV index in January: 2

The months with the highest UV index are 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
Hamilton, MA

Average cloud cover in January - Hamilton, MA
  • Average cloud cover in January: 44

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Hamilton, MA

Average visibility in January - Hamilton, 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).

Hamilton, Massachusetts, USA

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