January weather forecast
New Boston, IL

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Weather in January

January, the same as December, in New Boston, Illinois, is a freezing cold winter month, with an average temperature varying between 16.7°F (-8.5°C) and 28.9°F (-1.7°C).

Temperature

January is the coldest month of the year, registering average temperatures as high as 28.9°F (-1.7°C) and as low as 16.7°F (-8.5°C).

Humidity

In New Boston, the average relative humidity in January is 82%.

Rainfall

In January, in New Boston, the rain falls for 5.3 days. Throughout January, 1.46" (37mm) of precipitation is accumulated. In New Boston, during the entire year, the rain falls for 146.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in New Boston. The month with the most snowfall in New Boston is January, when snow falls for 10.1 days and typically aggregates up to 4.49" (114mm) of snow.

Daylight

In New Boston, the average length of the day in January is 9h and 37min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:18 pm CST.

Sunshine

With an average of 4.3h of sunshine, January has the least sunshine of the year.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a daily UV index of 1 turns into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the coldest month in New Boston?

In New Boston, January registers the lowest temperatures, averaging 28.9°F (-1.7°C) at the peak and 16.7°F (-8.5°C) at the lowest.

How cold is it in New Boston in January?

In January, in New Boston, the average high-temperature is 28.9°F (-1.7°C), and the average low-temperature is 16.7°F (-8.5°C).

What is the average humidity in January in New Boston?

The average relative humidity in January in New Boston is 82%.

How much does it rain in New Boston in January?

In New Boston, Illinois, during January, the rain falls for 5.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When does it snow the most in New Boston?

The month with the most snowfall in New Boston, Illinois, is January, when snow falls for 10.1 days and typically aggregates up to 4.49" (114mm) of snow.

How much does it snow in New Boston in January?

In New Boston, during January, snow falls for 10.1 days and regularly aggregates up to 4.49" (114mm) of snow.

What is the average length of the day in January in New Boston?

In New Boston, the average day length in January is 9h and 37min.

When is the sunrise / sunset in January in New Boston?

On the first day of January in New Boston, sunrise is at 7:29 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in New Boston?

The month with the least sunshine in New Boston, Illinois, is January, with an average of 4.3h of sunshine.

How many hours of sunshine does New Boston have in January?

In New Boston, the average sunshine duration in January is 4.3h.

What is the month with the lowest UV index in New Boston?

With an average maximum UV index of 1, January is the month with the lowest UV index in New Boston, Illinois.

What is the UV index reading in January in New Boston?

In New Boston, the average daily maximum UV index in January is 1. 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
New Boston, IL

Average temperature in January - New Boston, IL
  • Average high temperature in January: 28.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in January: 16.7°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 (16.7°F).

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Average pressure in January
New Boston, IL

Average pressure in January - New Boston, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
New Boston, IL

Average wind speed in January - New Boston, IL
  • Average wind speed in January: 10.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
New Boston, IL

Average humidity in January - New Boston, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
New Boston, IL

Average rainfall in January - New Boston, IL
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is December (1.42").

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Average rainfall days in January
New Boston, IL

Average rainfall days in January - New Boston, IL
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in January
New Boston, IL

Average snowfall in January - New Boston, IL
  • Average snowfall in January: 4.49"

The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
New Boston, IL

Average snowfall days in January - New Boston, IL
  • Average snowfall days in January: 10.1 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
New Boston, IL

Average daylight in January / Average sunshine in January - New Boston, IL
  • Average daylight in January: 9h and 4min

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

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in January
New Boston, IL

Average sunshine days in January - New Boston, IL
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (8.4 days).

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Average UV index in January
New Boston, IL

Average UV index in January - New Boston, IL
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in January
New Boston, IL

Average cloud cover in January - New Boston, IL
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
New Boston, IL

Average visibility in January - New Boston, IL
  • 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).

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New Boston, Illinois, USA

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