January weather forecast
West Union, IL

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Weather in January

January, like December, in West Union, Illinois, is another cold winter month, with an average temperature fluctuating between 34.5°F (1.4°C) and 22.3°F (-5.4°C).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 34.5°F (1.4°C) and a minimum temperature of 22.3°F (-5.4°C).

Humidity

The average relative humidity in January is 80%.

Rainfall

In January, the rain falls for 7.3 days. Throughout January, 1.69" (43mm) of precipitation is accumulated. In West Union, Illinois, during the entire year, the rain falls for 145.2 days and collects up to 24.76" (629mm) of precipitation.

Snowfall

Months with snowfall in West Union are January through April, November and December. In West Union, during January, snow falls for 6.3 days and regularly aggregates up to 1.77" (45mm) of snow. In West Union, during the entire year, snow falls for 22.1 days and aggregates up to 7.4" (188mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:09 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What part of the year is the coldest in West Union?

With average high temperatures of 34.5°F (1.4°C) and lows of 22.3°F (-5.4°C), January is the coldest month in West Union.

How cold is it in West Union in January?

In January, the average high-temperature and low-temperature are 34.5°F (1.4°C) and 22.3°F (-5.4°C) respectively.

What is the average humidity in January in West Union?

In West Union, the average relative humidity in January is 80%.

How many days does it rain in January in West Union?

In West Union, Illinois, in January, during 7.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

How many days does it snow in January in West Union?

In West Union, in January, snow falls for 6.3 days, with typically accumulated 1.77" (45mm) of snow.

How many hours of daylight does West Union have in January?

The average day length in January is 9h and 47min.

What time are sunrise and sunset in January in West Union?

In January, on the first day of the month, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of the month, in West Union, Illinois, sunrise is at 6:58 am and sunset at 5:09 pm CST.

What is the month with the least sunshine in West Union?

The month with the least sunshine in West Union is January, with an average of 4.1h of sunshine.

How many hours of sunshine does West Union have in January?

In January, the average sunshine duration in West Union, Illinois, is 4.1h.

What are the months with the lowest UV index in West Union?

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 reading in January in West Union?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
39.6°F 4.2°C
34.5°F 1.4°C
39.2°F 4°C
Average low temperature
28.8°F -1.8°C
22.3°F -5.4°C
26.2°F -3.2°C
Average pressure
30.13" 765mmHg
30.15" 766mmHg
30.11" 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
16.3mph 26.2km/h
16.2mph 26.1km/h
Average humidity
80%
80%
80%
Average rainfall
1.69" 43mm
1.69" 43mm
1.26" 32mm
Average rainfall days
8.8
7.3
7.9
Average snowfall
2.13" 54mm
1.77" 45mm
1.89" 48mm
Average snowfall days
4.9
6.3
5.7
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
4h 3min
4h 1min
4h 2min
Average sunshine days
18.1
17.8
15
Average UV index
2
2
2
Average cloud cover
53%
56%
54%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
West Union, IL

Average temperature in January - West Union, IL
  • Average high temperature in January: 34.5°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in January: 22.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in January
West Union, IL

Average pressure in January - West Union, IL
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
West Union, IL

Average wind speed in January - West Union, 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 month (with the lowest average wind speed) is July (6mph).

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Average humidity in January
West Union, IL

Average humidity in January - West Union, IL
  • Average humidity in January: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
West Union, IL

Average rainfall in January - West Union, IL
  • Average rainfall in January: 1.69"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in January
West Union, IL

Average rainfall days in January - West Union, IL
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in January
West Union, IL

Average snowfall in January - West Union, IL
  • Average snowfall in January: 1.77"

The month with the highest snowfall is December (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
West Union, IL

Average snowfall days in January - West Union, 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, September and October (0 days).

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Average daylight in January /
Average sunshine in January
West Union, IL

Average daylight in January / Average sunshine in January - West Union, 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 6min).

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Average sunshine days in January
West Union, IL

Average sunshine days in January - West Union, IL
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in January
West Union, IL

Average UV index in January - West Union, 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
West Union, IL

Average cloud cover in January - West Union, IL
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in January
West Union, IL

Average visibility in January - West Union, IL
  • Average visibility in January: 6mi

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

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West Union, Illinois, USA

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