January weather forecast
West Union, IL

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Weather in January

January, the same as December, is an icy winter month in West Union, Illinois, with an average temperature ranging between max 34.5°F (1.4°C) and min 22.3°F (-5.4°C).

Temperature

West Union witnesses the coldest weather in January, with temperatures averaging a high of 34.5°F (1.4°C) and a low of 22.3°F (-5.4°C).

Humidity

In January, the average relative humidity is 80%.

Rainfall

In West Union, in January, it is raining for 7.3 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in West Union, there are 145.2 rainfall days, and 24.76" (629mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In January, in West Union, it is snowing for 6.3 days. Throughout January, 1.77" (45mm) of snow is accumulated. Throughout the year, there are 22.1 snowfall days, and 7.4" (188mm) of snow is accumulated.

Daylight

In West Union, 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

January has the least sunshine of the year, 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest time of the year is January, with temperatures averaging a high of 34.5°F (1.4°C) and a low of 22.3°F (-5.4°C).

How cold is 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 January, the average relative humidity is 80%.

How many days does it rain in January?

In West Union, in January, it is raining for 7.3 days, with typically 1.69" (43mm) of accumulated precipitation.

How much does it snow in January?

In West Union, during January, snow falls for 6.3 days and regularly aggregates up to 1.77" (45mm) of snow.

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

In January, the average day length is 9h and 47min.

When is the sunrise / sunset in January?

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

What is the month with the least sunshine?

With an average of 4.1h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In West Union, the average sunshine duration in January 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.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

West Union, Illinois, USA

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