January weather forecast
Spring Grove, IL

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Weather in January

January, the same as December, in Spring Grove, Illinois, is another subzero cold winter month, with an average temperature varying between 14.9°F (-9.5°C) and 26.2°F (-3.2°C).

Temperature

With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.9°F (-9.5°C), January is the coldest month.

Humidity

January is the most humid month, with an average relative humidity of 85%.

Rainfall

In Spring Grove, in January, during 4.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Spring Grove. The month with the most snowfall in Spring Grove is January, when snow falls for 10.1 days and typically aggregates up to 4.33" (110mm) of snow.

Daylight

In Spring Grove, the average length of the day in January is 9h and 29min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:04 pm CST.

Sunshine

January and February, with an average of 3.6h of sunshine, are months with the least sunshine in Spring Grove.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 1 in January transforms into this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Spring Grove?

The coldest time of the year in Spring Grove, Illinois, is January, with temperatures averaging a high of 26.2°F (-3.2°C) and a low of 14.9°F (-9.5°C).

How cold is it in Spring Grove in January?

Spring Grove in January has an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 14.9°F (-9.5°C).

What is the most humid month in Spring Grove?

The most humid month in Spring Grove, Illinois, is January, with an average relative humidity of 85%.

What is the average humidity in January in Spring Grove?

In Spring Grove, the average relative humidity in January is 85%.

How many days does it rain in January in Spring Grove?

In Spring Grove, during January, the rain falls for 4.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When does it snow the most in Spring Grove?

The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.33" (110mm) of snow.

How much does it snow in Spring Grove in January?

In Spring Grove, Illinois, during January, snow falls for 10.1 days and regularly aggregates up to 4.33" (110mm) of snow.

What is the average length of the day in January in Spring Grove?

The average day length in January in Spring Grove, Illinois, is 9h and 29min.

What time are sunrise and sunset in January in Spring Grove?

On the first day of January in Spring Grove, Illinois, sunrise is at 7:22 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:04 pm CST.

What are the months with the least sunshine in Spring Grove?

January and February, with an average of 3.6h of sunshine, are months with the least sunshine in Spring Grove, Illinois.

How long on average sun shines in January in Spring Grove?

In January, the average sunshine duration in Spring Grove, Illinois, is 3.6h.

When is the lowest UV index in Spring Grove?

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

How high is the UV index in January in Spring Grove?

In Spring Grove, Illinois, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents 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
Spring Grove, IL

Average temperature in January - Spring Grove, IL
  • Average high temperature in January: 26.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in January: 14.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in January
Spring Grove, IL

Average pressure in January - Spring Grove, IL
  • Average pressure in January: 30.1"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Spring Grove, IL

Average wind speed in January - Spring Grove, 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 August (6.4mph).

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Average humidity in January
Spring Grove, IL

Average humidity in January - Spring Grove, IL
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in January
Spring Grove, IL

Average rainfall in January - Spring Grove, IL
  • Average rainfall in January: 1.26"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

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Average rainfall days in January
Spring Grove, IL

Average rainfall days in January - Spring Grove, IL
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in January
Spring Grove, IL

Average snowfall in January - Spring Grove, IL
  • Average snowfall in January: 4.33"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Spring Grove, IL

Average snowfall days in January - Spring Grove, IL
  • Average snowfall days in January: 10.1 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Spring Grove, IL

Average daylight in January / Average sunshine in January - Spring Grove, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

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Average sunshine days in January
Spring Grove, IL

Average sunshine days in January - Spring Grove, IL
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in January
Spring Grove, IL

Average UV index in January - Spring Grove, IL
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Spring Grove, IL

Average cloud cover in January - Spring Grove, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in January
Spring Grove, IL

Average visibility in January - Spring Grove, 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).

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Spring Grove, Illinois, USA

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