January weather forecast
Lenzburg, IL

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Weather in January

January, the same as December, is a wintry winter month in Lenzburg, Illinois, with an average temperature varying between 38.3°F (3.5°C) and 25.2°F (-3.8°C).

Temperature

January is the month when Lenzburg experiences its coldest temperatures, averaging a high of 38.3°F (3.5°C) and a low of 25.2°F (-3.8°C).

Humidity

In Lenzburg, the average relative humidity in January is 76%.

Rainfall

In January, in Lenzburg, the rain falls for 6.5 days. Throughout January, 1.18" (30mm) of precipitation is accumulated. In Lenzburg, during the entire year, the rain falls for 129.6 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

January through March, September through December are months with snowfall. January is the month with the most snowfall. Snow falls for 5.6 days and accumulates 1.06" (27mm) of snow.

Daylight

The average length of the day in January is 9h and 52min.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:49 pm. On the last day of January, in Lenzburg, sunrise is at 7:05 am and sunset at 5:20 pm CST.

Sunshine

The month with the least sunshine in Lenzburg is January, with an average of 4.7h 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 threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Lenzburg, January registers the lowest temperatures, averaging 38.3°F (3.5°C) at the peak and 25.2°F (-3.8°C) at the lowest.

How cold is it in January?

Lenzburg in January has an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 25.2°F (-3.8°C).

What is the average humidity in January?

In Lenzburg, the average relative humidity in January is 76%.

How many days does it rain in January?

In Lenzburg, in January, it is raining for 6.5 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 5.6 days and accumulates 1.06" (27mm) of snow.

How much does it snow in January?

In Lenzburg, Illinois, during January, snow falls for 5.6 days and regularly aggregates up to 1.06" (27mm) of snow.

How many hours of daylight does Lenzburg have in January?

In Lenzburg, the average day length in January is 9h and 52min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:16 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:20 pm CST.

What is the month with the least sunshine in Lenzburg?

With an average of 4.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Lenzburg have in January?

The average sunshine duration in January is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Lenzburg, IL

Average temperature in January - Lenzburg, IL
  • Average high temperature in January: 38.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in January
Lenzburg, IL

Average pressure in January - Lenzburg, 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 (29.93"Hg).

Average wind speed in January
Lenzburg, IL

Average wind speed in January - Lenzburg, IL
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in January
Lenzburg, IL

Average humidity in January - Lenzburg, IL
  • Average humidity in January: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Lenzburg, IL

Average rainfall in January - Lenzburg, IL
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in January
Lenzburg, IL

Average rainfall days in January - Lenzburg, IL
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).

Average snowfall in January
Lenzburg, IL

Average snowfall in January - Lenzburg, IL
  • Average snowfall in January: 1.06"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").

Average snowfall days in January
Lenzburg, IL

Average snowfall days in January - Lenzburg, IL
  • Average snowfall days in January: 5.6 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Lenzburg, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in January
Lenzburg, IL

Average sunshine days in January - Lenzburg, IL
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).

Average UV index in January
Lenzburg, IL

Average UV index in January - Lenzburg, 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, November and December (UV index 2).

Average cloud cover in January
Lenzburg, IL

Average cloud cover in January - Lenzburg, IL
  • Average cloud cover in January: 49

The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in January
Lenzburg, IL

Average visibility in January - Lenzburg, 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).

Lenzburg, Illinois, USA

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