January weather forecast
Julien Hill, IL

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Weather in January

January, like December, in Julien Hill, Illinois, is a wintry winter month, with an average temperature varying between 39.7°F (4.3°C) and 26.2°F (-3.2°C).

Temperature

In Julien Hill, the lowest average temperatures are observed in January, with a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).

Humidity

In Julien Hill, the average relative humidity in January is 77%.

Rainfall

In Julien Hill, in January, it is raining for 9.8 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 5.3 days and typically aggregates up to 1.73" (44mm) of snow.

Daylight

In January, the average length of the day is 9h and 56min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:16 pm CST.

Sunshine

In Julien Hill, the average sunshine in January is 4.6h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Julien Hill, the lowest temperatures are generally noted in January, averaging a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).

How cold is January?

In Julien Hill, 39.7°F (4.3°C) is the average high-temperature and 26.2°F (-3.2°C) is the average low-temperature during January.

What is the average humidity in January?

In January, the average relative humidity in Julien Hill is 77%.

How much does it rain in January?

In January, the rain falls for 9.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 5.3 days and typically aggregates up to 1.73" (44mm) of snow.

How many days does it snow in January?

In Julien Hill, in January, snow falls for 5.3 days, with typically accumulated 1.73" (44mm) of snow.

How many hours of daylight does Julien Hill have in January?

The average day length in January is 9h and 56min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:16 pm CST.

How many hours of sunshine does Julien Hill have in January?

In Julien Hill, the average sunshine duration in January is 4.6h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

In Julien Hill, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Julien Hill, IL

Average temperature in January - Julien Hill, IL
  • Average high temperature in January: 39.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in January: 26.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in January
Julien Hill, IL

Average pressure in January - Julien Hill, 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 (29.94"Hg).

Average wind speed in January
Julien Hill, IL

Average wind speed in January - Julien Hill, IL
  • Average wind speed in January: 9.4mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in January
Julien Hill, IL

Average humidity in January - Julien Hill, IL
  • Average humidity in January: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in January
Julien Hill, IL

Average rainfall in January - Julien Hill, IL
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in January
Julien Hill, IL

Average rainfall days in January - Julien Hill, IL
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in January
Julien Hill, IL

Average snowfall in January - Julien Hill, IL
  • Average snowfall in January: 1.73"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Julien Hill, IL

Average snowfall days in January - Julien Hill, IL
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Julien Hill, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

Average sunshine days in January
Julien Hill, IL

Average sunshine days in January - Julien Hill, IL
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in January
Julien Hill, IL

Average UV index in January - Julien Hill, IL
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in January
Julien Hill, IL

Average cloud cover in January - Julien Hill, IL
  • Average cloud cover in January: 51

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in January
Julien Hill, IL

Average visibility in January - Julien Hill, 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).

Julien Hill, Illinois, USA

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