January weather forecast
New Salem, IL

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Weather in January

January, the same as December, is a wintry winter month in New Salem, Illinois, with an average temperature fluctuating between 33.8°F (1°C) and 21.6°F (-5.8°C).

Temperature

During the coldest month, January, temperatures average a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).

Humidity

The average relative humidity in January is 78%.

Rainfall

In New Salem, in January, it is raining for 4.5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 128.8 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in New Salem. January is the month with the most snowfall in New Salem. Snow falls for 6.3 days and accumulates 2.05" (52mm) of snow.

Daylight

In New Salem, the average length of the day in January is 9h and 44min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:21 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in New Salem?

January is the coldest month, exhibiting average temperatures of 33.8°F (1°C) at the peak and 21.6°F (-5.8°C) at the base.

How cold is January?

The high-temperature, in January, in New Salem, records 33.8°F (1°C), while the low-temperature is 21.6°F (-5.8°C).

What is the average humidity in January?

The average relative humidity in January is 78%.

How much does it rain in January?

In January, the rain falls for 4.5 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

What is the snowiest month?

January is the month with the most snowfall in New Salem. Snow falls for 6.3 days and accumulates 2.05" (52mm) of snow.

How many days does it snow in January?

In New Salem, in January, during 6.3 snowfall days, 2.05" (52mm) of snow is typically accumulated.

How many hours of daylight does New Salem have in January?

In January, the average day length is 9h and 44min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:24 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:21 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 4.4h of sunshine.

How long on average sun shines in January?

In New Salem, Illinois, the average sunshine duration in January is 4.4h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
New Salem, IL

Average temperature in January - New Salem, IL
  • Average high temperature in January: 33.8°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
New Salem, IL

Average pressure in January - New Salem, IL
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
New Salem, IL

Average wind speed in January - New Salem, IL
  • Average wind speed in January: 9.8mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in January
New Salem, IL

Average humidity in January - New Salem, IL
  • Average humidity in January: 78%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
New Salem, IL

Average rainfall in January - New Salem, IL
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in January
New Salem, IL

Average rainfall days in January - New Salem, IL
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in January
New Salem, IL

Average snowfall in January - New Salem, IL
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
New Salem, IL

Average snowfall days in January - New Salem, IL
  • Average snowfall days in January: 6.3 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 4h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in January
New Salem, IL

Average sunshine days in January - New Salem, IL
  • Average sunshine days in January: 20.5 days

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in January
New Salem, IL

Average UV index in January - New Salem, IL
  • 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, November and December (UV index 2).

Average cloud cover in January
New Salem, IL

Average cloud cover in January - New Salem, IL
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in January
New Salem, IL

Average visibility in January - New Salem, 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).

New Salem, Illinois, USA

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