January weather forecast
Cadiz, IL

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Weather in January

January, the same as December, is a wintry winter month in Cadiz, Illinois, with an average temperature fluctuating between 39.7°F (4.3°C) and 26.8°F (-2.9°C).

Temperature

January, noted for its average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.8°F (-2.9°C), is considered the coldest month.

Humidity

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

Rainfall

In Cadiz, during January, the rain falls for 9.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Cadiz, Illinois, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 4.8 days. Throughout January, 0.71" (18mm) of snow is accumulated. Throughout the year, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

In Cadiz, the average length of the day in January is 9h and 55min.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:15 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.5h of sunshine.

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 hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during January leads to these advisories:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Cadiz experiences its lowest temperatures in January, with an average peak of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).

How cold is January?

In Cadiz, 39.7°F (4.3°C) is the average high-temperature and 26.8°F (-2.9°C) is the average low-temperature during January.

What is the average humidity in January?

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

How much does it rain in January?

In Cadiz, 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 January?

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

What is the average length of the day in January?

The average day length in January is 9h and 55min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:15 pm CST.

What is the month with the least sunshine?

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

How many hours of sunshine does Cadiz have in January?

The average sunshine duration in January is 4.5h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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
Cadiz, IL

Average temperature in January - Cadiz, 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).

Average pressure in January
Cadiz, IL

Average pressure in January - Cadiz, 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).

Average wind speed in January
Cadiz, IL

Average wind speed in January - Cadiz, 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).

Average humidity in January
Cadiz, IL

Average humidity in January - Cadiz, 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%).

Average rainfall in January
Cadiz, IL

Average rainfall in January - Cadiz, 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").

Average rainfall days in January
Cadiz, IL

Average rainfall days in January - Cadiz, 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).

Average snowfall in January
Cadiz, IL

Average snowfall in January - Cadiz, 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").

Average snowfall days in January
Cadiz, IL

Average snowfall days in January - Cadiz, 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).

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

Average daylight in January / Average sunshine in January - Cadiz, 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).

Average sunshine days in January
Cadiz, IL

Average sunshine days in January - Cadiz, 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).

Average UV index in January
Cadiz, IL

Average UV index in January - Cadiz, 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
Cadiz, IL

Average cloud cover in January - Cadiz, 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).

Average visibility in January
Cadiz, IL

Average visibility in January - Cadiz, 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).

Cadiz, Illinois, USA

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