January weather forecast
Hillcrest, IL

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Weather in January

January, the same as December, in Hillcrest, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 14.7°F (-9.6°C) and 27°F (-2.8°C).

Temperature

Hillcrest's January weather, with an average high temperature of 27°F (-2.8°C) and an average low temperature of 14.7°F (-9.6°C), tends to be the coldest of the year.

Humidity

The months with the highest humidity in Hillcrest are January and July, with an average relative humidity of 85%.

Rainfall

In Hillcrest, during January, the rain falls for 4.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 124.5 rainfall days, and 14.49" (368mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Hillcrest. The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 2.2" (56mm) of snow.

Daylight

The average length of the day in January in Hillcrest, Illinois, is 9h and 32min.
On the first day of January in Hillcrest, sunrise is at 7:24 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:09 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year in Hillcrest.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Hillcrest?

Hillcrest's coldest temperatures are experienced in January, with average high temperatures of 27°F (-2.8°C) and lows of 14.7°F (-9.6°C).

How cold is it in Hillcrest in January?

The high-temperature, in January, in Hillcrest, records 27°F (-2.8°C), while the low-temperature is 14.7°F (-9.6°C).

What are the most humid months in Hillcrest?

January and July, with an average relative humidity of 85%, are most humid months in Hillcrest.

What is the average humidity in January in Hillcrest?

In January, the average relative humidity in Hillcrest is 85%.

How much does it rain in Hillcrest in January?

In Hillcrest, Illinois, in January, during 4.4 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

When does it snow the most in Hillcrest?

The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 2.2" (56mm) of snow.

How many days does it snow in January in Hillcrest?

In Hillcrest, Illinois, in January, during 10.3 snowfall days, 2.2" (56mm) of snow is typically accumulated.

How many hours of daylight does Hillcrest have in January?

The average day length in January is 9h and 32min.

When are sunrise and sunset in January in Hillcrest?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:35 pm. On the last day of the month, in Hillcrest, Illinois, sunrise is at 7:09 am and sunset at 5:09 pm CST.

What is the month with the least sunshine in Hillcrest?

The month with the least sunshine in Hillcrest is January, with an average of 3.6h of sunshine.

How many hours of sunshine does Hillcrest have in January?

In Hillcrest, the average sunshine duration in January is 3.6h.

What are the months with the lowest UV index in Hillcrest?

The months with the lowest UV index in Hillcrest, Illinois, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Hillcrest?

In January, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Hillcrest, IL

Average temperature in January - Hillcrest, IL
  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 14.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

Average pressure in January
Hillcrest, IL

Average pressure in January - Hillcrest, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Hillcrest, IL

Average wind speed in January - Hillcrest, IL
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in January
Hillcrest, IL

Average humidity in January - Hillcrest, IL
  • Average humidity in January: 85%

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).

Average rainfall in January
Hillcrest, IL

Average rainfall in January - Hillcrest, IL
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in January
Hillcrest, IL

Average rainfall days in January - Hillcrest, IL
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in January
Hillcrest, IL

Average snowfall in January - Hillcrest, IL
  • Average snowfall in January: 2.2"

The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Hillcrest, IL

Average snowfall days in January - Hillcrest, IL
  • Average snowfall days in January: 10.3 days

The month with the highest number of snowfall days is January (10.3 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
Hillcrest, IL

Average daylight in January / Average sunshine in January - Hillcrest, IL
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in January
Hillcrest, IL

Average sunshine days in January - Hillcrest, IL
  • Average sunshine days in January: 17.4 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in January
Hillcrest, IL

Average UV index in January - Hillcrest, IL
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Hillcrest, IL

Average cloud cover in January - Hillcrest, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in January
Hillcrest, IL

Average visibility in January - Hillcrest, 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).

Hillcrest, Illinois, USA

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