January weather forecast
Creve Coeur, IL

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Weather in January

January, like December, is a freezing cold winter month in Creve Coeur, Illinois, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 18.9°F (-7.3°C).

Temperature

Creve Coeur's coldest temperatures are experienced in January, with average high temperatures of 30.7°F (-0.7°C) and lows of 18.9°F (-7.3°C).

Humidity

In January, the average relative humidity is 81%.

Rainfall

January is the month with the least rainfall in Creve Coeur. Rain falls for 5.2 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Creve Coeur. January is the month with the most snowfall in Creve Coeur. Snow falls for 9 days and accumulates 2.36" (60mm) of snow.

Daylight

In Creve Coeur, the average length of the day in January is 9h and 40min.
On the first day of January in Creve Coeur, sunrise is at 7:22 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:14 pm CST.

Sunshine

With an average of 4h of sunshine, January has the least sunshine of the year.

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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What month is the coldest in Creve Coeur?

Creve Coeur, Illinois, records the coldest temperatures in January, averaging a high of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C).

How cold is January in Creve Coeur?

In Creve Coeur, in January, the average high-temperature is 30.7°F (-0.7°C), and the average low-temperature is 18.9°F (-7.3°C).

What is the average humidity in January in Creve Coeur?

In January, the average relative humidity is 81%.

What is the driest month in Creve Coeur?

January is the month with the least rainfall. Rain falls for 5.2 days and accumulates 0.75" (19mm) of precipitation.

How many days does it rain in January in Creve Coeur?

In Creve Coeur, during January, the rain falls for 5.2 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When does it snow the most in Creve Coeur?

The month with the most snowfall in Creve Coeur is January, when snow falls for 9 days and typically aggregates up to 2.36" (60mm) of snow.

How many days does it snow in January in Creve Coeur?

In Creve Coeur, Illinois, during January, snow falls for 9 days and regularly aggregates up to 2.36" (60mm) of snow.

What is the average length of the day in January in Creve Coeur?

In Creve Coeur, the average day length in January is 9h and 40min.

When are sunrise and sunset in January in Creve Coeur?

On the first day of January in Creve Coeur, Illinois, sunrise is at 7:22 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Creve Coeur?

January has the least sunshine of the year in Creve Coeur, with an average of 4h of sunshine.

How many hours of sunshine does Creve Coeur have in January?

In January, the average sunshine duration in Creve Coeur, Illinois, is 4h.

What are the months with the lowest UV index in Creve Coeur?

The months with the lowest UV index in Creve Coeur, Illinois, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Creve Coeur?

In January, the average daily maximum UV index in Creve Coeur is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
36.5°F 2.5°C
30.7°F -0.7°C
35.2°F 1.8°C
Average low temperature
26.1°F -3.3°C
18.9°F -7.3°C
22.5°F -5.3°C
Average pressure
30.11" 765mmHg
30.14" 766mmHg
30.11" 765mmHg
Average wind speed
9.8mph 15.8km/h
10.4mph 16.7km/h
10.4mph 16.7km/h
Average max. wind speed
10.4mph 16.7km/h
11mph 17.7km/h
11mph 17.7km/h
Average wind speed gusts
15.7mph 25.3km/h
16.5mph 26.6km/h
16.3mph 26.2km/h
Average humidity
80%
81%
80%
Average rainfall
0.87" 22mm
0.75" 19mm
0.83" 21mm
Average rainfall days
6.2
5.2
4.6
Average snowfall
1.18" 30mm
2.36" 60mm
1.57" 40mm
Average snowfall days
5.9
9
6.8
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 2min
4h 0min
4h 2min
Average sunshine days
19.5
18.5
17.8
Average UV index
2
2
2
Average cloud cover
52%
57%
54%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Creve Coeur, IL

Average temperature in January - Creve Coeur, IL
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in January
Creve Coeur, IL

Average pressure in January - Creve Coeur, IL
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Creve Coeur, IL

Average wind speed in January - Creve Coeur, IL
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Creve Coeur, IL

Average humidity in January - Creve Coeur, IL
  • Average humidity in January: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Creve Coeur, IL

Average rainfall in January - Creve Coeur, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in January
Creve Coeur, IL

Average rainfall days in January - Creve Coeur, IL
  • Average rainfall days in January: 5.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in January
Creve Coeur, IL

Average snowfall in January - Creve Coeur, IL
  • Average snowfall in January: 2.36"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Creve Coeur, IL

Average snowfall days in January - Creve Coeur, IL
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Creve Coeur, IL

Average daylight in January / Average sunshine in January - Creve Coeur, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in January
Creve Coeur, IL

Average sunshine days in January - Creve Coeur, IL
  • Average sunshine days in January: 18.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in January
Creve Coeur, IL

Average UV index in January - Creve Coeur, 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
Creve Coeur, IL

Average cloud cover in January - Creve Coeur, IL
  • Average cloud cover in January: 57

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in January
Creve Coeur, IL

Average visibility in January - Creve Coeur, IL
  • Average visibility in January: 6mi

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

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Creve Coeur, Illinois, USA

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