January weather forecast
Junction, IL

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, is another cold winter month in Junction, Illinois, with an average temperature varying between 26.8°F (-2.9°C) and 39.7°F (4.3°C).

Temperature

Junction's coldest month, January, registers temperatures that range from a high of 39.7°F (4.3°C) to a low of 26.8°F (-2.9°C).

Humidity

In January, the average relative humidity is 77%.

Rainfall

In January, in Junction, the rain falls for 9.3 days. Throughout January, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Junction are January through April, November and December. In Junction, in January, during 4.8 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, in Junction, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 55min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of January, in Junction, sunrise is at 6:57 am and sunset at 5:14 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 4.5h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
[Resources]

Frequently asked questions

What time of the year is the coldest in Junction?

The coldest period in Junction, Illinois, tends to be January, when average temperatures fluctuate between a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).

How cold is January in Junction?

The high-temperature, in January, in Junction, is 39.7°F (4.3°C), while the low-temperature averages to 26.8°F (-2.9°C).

What is the average humidity in January in Junction?

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

How much does it rain in Junction in January?

In Junction, Illinois, during January, the rain falls for 9.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How much does it snow in Junction in January?

In Junction, Illinois, in January, snow falls for 4.8 days, with typically accumulated 0.71" (18mm) of snow.

How many hours of daylight does Junction have in January?

In January, the average day length in Junction, Illinois, is 9h and 55min.

What time are sunrise and sunset in January in Junction?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, in Junction, sunrise is at 6:57 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Junction?

With an average of 4.5h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Junction have in January?

In Junction, the average sunshine duration in January is 4.5h.

What is the month with the lowest UV index in Junction?

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

How high is the UV index in January in Junction?

In Junction, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.6°F 7°C
39.7°F 4.3°C
44.6°F 7°C
Average low temperature
32.9°F 0.5°C
26.8°F -2.9°C
30.6°F -0.8°C
Average pressure
30.14" 766mmHg
30.16" 766mmHg
30.12" 765mmHg
Average wind speed
9.1mph 14.6km/h
9.7mph 15.6km/h
9.8mph 15.8km/h
Average max. wind speed
9.7mph 15.6km/h
10.3mph 16.6km/h
10.4mph 16.7km/h
Average wind speed gusts
14.9mph 24km/h
15.7mph 25.3km/h
15.7mph 25.3km/h
Average humidity
78%
77%
78%
Average rainfall
2.05" 52mm
1.97" 50mm
2.17" 55mm
Average rainfall days
10.4
9.3
9.8
Average snowfall
0.63" 16mm
0.71" 18mm
0.87" 22mm
Average snowfall days
3.5
4.8
4.3
Average daylight
9h 4min
9h 5min
10h 5min
Average sunshine
4h 4min
4h 3min
4h 5min
Average sunshine days
17.2
17
14.6
Average UV index
2
2
2
Average cloud cover
50%
51%
50%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Junction, IL

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

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in January: 26.8°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

[Resources]

Average pressure in January
Junction, IL

Average pressure in January - Junction, 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 (29.95"Hg).

[Resources]

Average wind speed in January
Junction, IL

Average wind speed in January - Junction, IL
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in January
Junction, IL

Average humidity in January - Junction, IL
  • Average humidity in January: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

[Resources]

Average rainfall in January
Junction, IL

Average rainfall in January - Junction, IL
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

[Resources]

Average rainfall days in January
Junction, IL

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

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

[Resources]

Average snowfall in January
Junction, IL

Average snowfall in January - Junction, IL
  • Average snowfall in January: 0.71"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in January
Junction, IL

Average snowfall days in January - Junction, IL
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in January / Average sunshine in January - Junction, 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 3min

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

[Resources]

Average sunshine days in January
Junction, IL

Average sunshine days in January - Junction, IL
  • Average sunshine days in January: 17 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

[Resources]

Average UV index in January
Junction, IL

Average UV index in January - Junction, 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).

[Resources]

Average cloud cover in January
Junction, IL

Average cloud cover in January - Junction, IL
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

[Resources]

Average visibility in January
Junction, IL

Average visibility in January - Junction, 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).

[Resources]

Junction, Illinois, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location