January weather forecast
McNabb, IL

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Weather in January

January, the same as December, in McNabb, Illinois, is another subzero cold winter month, with an average temperature ranging between min 17.4°F (-8.1°C) and max 29.3°F (-1.5°C).

Temperature

McNabb reaches its lowest average temperatures in January, measuring 29.3°F (-1.5°C) at the peak and 17.4°F (-8.1°C) at the lowest.

Humidity

In January, the average relative humidity is 82%.

Rainfall

The months with the least rainfall are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.

Snowfall

January through April, October through December are months with snowfall. In McNabb, during January, snow falls for 11.2 days and regularly aggregates up to 3.62" (92mm) of snow. In McNabb, during the entire year, snow falls for 36.7 days and aggregates up to 14.09" (358mm) of snow.

Daylight

In McNabb, Illinois, the average length of the day in January is 9h and 37min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:11 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.9h of sunshine.

UV index

The month with the lowest UV index in McNabb is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, an average UV index of 1 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest month is January, with an average high-temperature of 29.3°F (-1.5°C) and an average low-temperature of 17.4°F (-8.1°C).

How cold is it in January?

In McNabb, in January, the average high-temperature is 29.3°F (-1.5°C), and the average low-temperature is 17.4°F (-8.1°C).

What is the average humidity in January in McNabb?

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

What is the driest month?

The months with the least rainfall are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.

How many days does it rain in January?

In McNabb, in January, during 6.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 11.2 days. Throughout January, 3.62" (92mm) of snow is accumulated.

How many hours of daylight does McNabb have in January?

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

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:22 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:11 pm CST.

What is the month with the least sunshine?

The month with the least sunshine in McNabb is January, with an average of 3.9h of sunshine.

How long on average sun shines in January?

In McNabb, the average sunshine duration in January is 3.9h.

When is the lowest UV index?

January is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
McNabb, IL

Average temperature in January - McNabb, IL
  • Average high temperature in January: 29.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in January: 17.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in January
McNabb, IL

Average pressure in January - McNabb, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
McNabb, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in January
McNabb, IL

Average humidity in January - McNabb, IL
  • Average humidity in January: 82%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
McNabb, IL

Average rainfall in January - McNabb, IL
  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").

Average rainfall days in January
McNabb, IL

Average rainfall days in January - McNabb, IL
  • Average rainfall days in January: 6.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in January
McNabb, IL

Average snowfall in January - McNabb, IL
  • Average snowfall in January: 3.62"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
McNabb, IL

Average snowfall days in January - McNabb, IL
  • Average snowfall days in January: 11.2 days

The month with the highest number of snowfall days is January (11.2 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
McNabb, IL

Average daylight in January / Average sunshine in January - McNabb, 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: 3h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
McNabb, IL

Average sunshine days in January - McNabb, IL
  • Average sunshine days in January: 14.8 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in January
McNabb, IL

Average UV index in January - McNabb, 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).

Average cloud cover in January
McNabb, IL

Average cloud cover in January - McNabb, IL
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in January
McNabb, IL

Average visibility in January - McNabb, IL
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

McNabb, Illinois, USA

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