January weather forecast
Milton, NH

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Weather in January

January, like December, is a freezing cold winter month in Milton, New Hampshire, with temperature in the range of an average low of 15.1°F (-9.4°C) and an average high of 28.6°F (-1.9°C).

Temperature

In Milton, the month of January is known for its lowest average temperatures, reaching a high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 84%.

Rainfall

In January, the rain falls for 6 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 138.3 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In January, in Milton, it is snowing for 10.7 days. Throughout January, 6.93" (176mm) of snow is accumulated. In Milton, during the entire year, snow falls for 45.3 days and aggregates up to 30.63" (778mm) of snow.

Daylight

The average length of the day in January is 9h and 24min.
On the first day of January, sunrise is at 7:16 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:53 pm EST.

Sunshine

In Milton, the average sunshine in January is 4.8h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during January leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Milton?

Milton's coldest month, January, generally records average temperatures ranging from a high of 28.6°F (-1.9°C) to a low of 15.1°F (-9.4°C).

How cold is it in January?

In January, the average high-temperature and low-temperature are 28.6°F (-1.9°C) and 15.1°F (-9.4°C) respectively.

What are the most humid months?

January and February, with an average relative humidity of 84%, are most humid months.

What is the average humidity in January in Milton?

In January, the average relative humidity is 84%.

How much does it rain in January?

In January, the rain falls for 6 days. Throughout January, 2.13" (54mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 10.7 days. Throughout January, 6.93" (176mm) of snow is accumulated.

How many hours of daylight does Milton have in January?

The average day length in January is 9h and 24min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:16 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:53 pm EST.

How long on average sun shines in January?

In January, the average sunshine duration is 4.8h.

When is the lowest UV index?

January through March, October through 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 Milton, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Milton, NH

Average temperature in January - Milton, NH
  • Average high temperature in January: 28.6°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in January
Milton, NH

Average pressure in January - Milton, NH
  • Average pressure in January: 29.99"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Milton, NH

Average wind speed in January - Milton, NH
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

Average humidity in January
Milton, NH

Average humidity in January - Milton, NH
  • Average humidity in January: 84%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (76%).

Average rainfall in January
Milton, NH

Average rainfall in January - Milton, NH
  • Average rainfall in January: 2.13"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in January
Milton, NH

Average rainfall days in January - Milton, NH
  • Average rainfall days in January: 6 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6 days).

Average snowfall in January
Milton, NH

Average snowfall in January - Milton, NH
  • Average snowfall in January: 6.93"

The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Milton, NH

Average snowfall days in January - Milton, NH
  • Average snowfall days in January: 10.7 days

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Milton, NH

Average daylight in January / Average sunshine in January - Milton, NH
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
Milton, NH

Average sunshine days in January - Milton, NH
  • Average sunshine days in January: 16.7 days

The months with the most sunshine days are September and November (16.9 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in January
Milton, NH

Average UV index in January - Milton, NH
  • Average UV index in January: 2

The month with the highest UV index is 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
Milton, NH

Average cloud cover in January - Milton, NH
  • Average cloud cover in January: 47

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in January
Milton, NH

Average visibility in January - Milton, NH
  • Average visibility in January: 5mi

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

Milton, New Hampshire, USA

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