January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

Bright brown and golden trees near a calm river, bridge, and the colorful town of Galena, Illinois,

Weather in January

In January, Galena, Illinois, experiences one of its coldest months of the year. The month of January ushers in an array of snowfall with an average of 5.12" (130mm), making it a picturesque winter season. The weather is characterized by shorter daylight hours and longer nights. The freezing weather encourages indoor activities. By contrast, January has a less rainy climate compared to the following month.

Temperature

January stands out as Galena's coldest month, with temperatures ranging between an average high of 25°F (-3.9°C) and a low of 12.4°F (-10.9°C).

Humidity

The most humid month in Galena is January, with an average relative humidity of 87%.

Rainfall

January is the month with the least rainfall. Rain falls for 5.4 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Galena, Illinois. January is the month with the most snowfall in Galena. Snow falls for 13.2 days and accumulates 5.12" (130mm) of snow.

Daylight

The average length of the day in January in Galena is 9h and 30min.
On the first day of January in Galena, sunrise is at 7:30 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:13 pm CST.

Sunshine

The month with the least sunshine in Galena is January, with an average of 3.7h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Galena, Illinois. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

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Frequently asked questions

What time of the year is the coldest in Galena?

Galena's coldest temperatures are experienced in January, with average high temperatures of 25°F (-3.9°C) and lows of 12.4°F (-10.9°C).

How cold is it in Galena in January?

An average high-temperature, in January, in Galena, is 25°F (-3.9°C) and the average low-temperature is 12.4°F (-10.9°C).

What is the most humid month in Galena?

The most humid month is January, with an average relative humidity of 87%.

What is the average humidity in January in Galena?

The average relative humidity in January in Galena, Illinois, is 87%.

What is the driest month in Galena?

January is the month with the least rainfall in Galena. Rain falls for 5.4 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain in January in Galena?

In Galena, Illinois, in January, it is raining for 5.4 days, with typically 1.26" (32mm) of accumulated precipitation.

When does it snow the most in Galena?

January is the month with the most snowfall in Galena. Snow falls for 13.2 days and accumulates 5.12" (130mm) of snow.

How many days does it snow in January in Galena?

In Galena, during January, snow falls for 13.2 days and regularly aggregates up to 5.12" (130mm) of snow.

How many hours of daylight does Galena have in January?

In January, the average day length is 9h and 30min.

What time are sunrise and sunset in January in Galena?

In January, on the first day of the month, sunrise is at 7:30 am and sunset at 4:39 pm. On the last day of the month, in Galena, Illinois, sunrise is at 7:16 am and sunset at 5:13 pm CST.

What is the month with the least sunshine in Galena?

The month with the least sunshine in Galena, Illinois, is January, with an average of 3.7h of sunshine.

How long on average sun shines in January in Galena?

In January, the average sunshine duration in Galena is 3.7h.

What is the month with the lowest UV index in Galena?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in January in Galena?

In January, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

31.8°F -0.1°C

25°F -3.9°C

28.9°F -1.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.2mph 16.4km/h

10.6mph 17.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.7

15.3

14.1

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Galena, IL

Average high temperature in January: 25°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in January
Galena, IL

Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in January
Galena, IL

Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in January
Galena, IL

Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in January
Galena, IL

Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in January
Galena, IL

Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in January
Galena, IL

Average snowfall in January: 5.12"

The month with the highest snowfall is January (5.12").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Galena, IL

Average snowfall days in January: 13.2 days

The month with the highest number of snowfall days is January (13.2 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
Galena, IL

Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in January: 3h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Galena, IL

Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (7.9 days).

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Average UV index in January
Galena, IL

Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Galena, IL

Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in January
Galena, IL

Average visibility in January: 5mi

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

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January weather forecast
Galena, IL

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