January weather forecast
Newton, IL

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Weather in January

January, the same as December, is an icy winter month in Newton, Illinois, with an average temperature ranging between min 23.4°F (-4.8°C) and max 36°F (2.2°C).

Temperature

With average temperatures fluctuating between a high of 36°F (2.2°C) and a low of 23.4°F (-4.8°C), January stands out as the coldest month.

Humidity

In Newton, the average relative humidity in January is 78%.

Rainfall

In Newton, during January, the rain falls for 9.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Newton, during the entire year, the rain falls for 158.3 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Newton. The month with the most snowfall in Newton, Illinois, is January, when snow falls for 6.3 days and typically aggregates up to 2.6" (66mm) of snow.

Daylight

The average length of the day in January in Newton is 9h and 48min.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:40 pm. On the last day of January, in Newton, sunrise is at 6:59 am and sunset at 5:12 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.2h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newton. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in January leads to these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What is the coldest month in Newton?

In Newton, the lowest temperatures are generally noted in January, averaging a high of 36°F (2.2°C) and a low of 23.4°F (-4.8°C).

How cold is January in Newton?

In Newton, 36°F (2.2°C) is the average high-temperature and 23.4°F (-4.8°C) is the average low-temperature during January.

What is the average humidity in January in Newton?

In Newton, Illinois, the average relative humidity in January is 78%.

How much does it rain in Newton in January?

In Newton, in January, during 9.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

What is the snowiest month in Newton?

January is the month with the most snowfall in Newton. Snow falls for 6.3 days and accumulates 2.6" (66mm) of snow.

How many days does it snow in January in Newton?

In January, in Newton, it is snowing for 6.3 days. Throughout January, 2.6" (66mm) of snow is accumulated.

How many hours of daylight does Newton have in January?

In Newton, the average day length in January is 9h and 48min.

When is the sunrise / sunset in January in Newton?

In January, on the first day of the month, sunrise is at 7:11 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:12 pm CST.

What is the month with the least sunshine in Newton?

With an average of 4.2h of sunshine, January has the least sunshine of the year in Newton, Illinois.

How long on average sun shines in January in Newton?

The average sunshine duration in January is 4.2h.

When is the lowest UV index in Newton?

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 intensity in January in Newton?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41.2°F 5.1°C
36°F 2.2°C
40.6°F 4.8°C
Average low temperature
29.7°F -1.3°C
23.4°F -4.8°C
27.5°F -2.5°C
Average pressure
30.13" 765mmHg
30.16" 766mmHg
30.12" 765mmHg
Average wind speed
9.4mph 15.1km/h
10.3mph 16.6km/h
10.3mph 16.6km/h
Average max. wind speed
10.1mph 16.3km/h
10.9mph 17.5km/h
10.9mph 17.5km/h
Average wind speed gusts
15.3mph 24.6km/h
16.4mph 26.4km/h
16.3mph 26.2km/h
Average humidity
79%
78%
78%
Average rainfall
2.52" 64mm
2.52" 64mm
1.93" 49mm
Average rainfall days
10.6
9.3
9.3
Average snowfall
1.18" 30mm
2.6" 66mm
1.61" 41mm
Average snowfall days
3.8
6.3
5.8
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
4h 3min
4h 1min
4h 2min
Average sunshine days
17.8
16.9
14.1
Average UV index
2
2
2
Average cloud cover
52%
54%
53%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Newton, IL

Average temperature in January - Newton, IL
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in January
Newton, IL

Average pressure in January - Newton, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Newton, IL

Average wind speed in January - Newton, IL
  • Average wind speed in January: 10.3mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in January
Newton, IL

Average humidity in January - Newton, IL
  • Average humidity in January: 78%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Newton, IL

Average rainfall in January - Newton, IL
  • Average rainfall in January: 2.52"

The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in January
Newton, IL

Average rainfall days in January - Newton, IL
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).

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Average snowfall in January
Newton, IL

Average snowfall in January - Newton, IL
  • Average snowfall in January: 2.6"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Newton, IL

Average snowfall days in January - Newton, 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).

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Average daylight in January /
Average sunshine in January
Newton, IL

Average daylight in January / Average sunshine in January - Newton, IL
  • Average daylight in January: 9h and 5min

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 30min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in January
Newton, IL

Average sunshine days in January - Newton, IL
  • Average sunshine days in January: 16.9 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in January
Newton, IL

Average UV index in January - Newton, 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).

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Average cloud cover in January
Newton, IL

Average cloud cover in January - Newton, IL
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in January
Newton, IL

Average visibility in January - Newton, 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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Newton, Illinois, USA

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