January weather forecast
Franklin Grove, IL

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Weather in January

January, like December, is a freezing cold winter month in Franklin Grove, Illinois, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 15.1°F (-9.4°C).

Temperature

January, with its average high-temperature of 27.5°F (-2.5°C) and an average low-temperature of 15.1°F (-9.4°C), holds the record as the coldest month.

Humidity

The months with the highest humidity are January and July, with an average relative humidity of 85%.

Rainfall

In Franklin Grove, in January, it is raining for 4.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.4 days and typically aggregates up to 2.32" (59mm) of snow.

Daylight

In January, the average length of the day is 9h and 33min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:10 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.8h of sunshine.

UV index

January and December, with an average maximum UV index of 1, 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 average individuals.
Note: In January, the maximum UV index of 1 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The lowest temperatures are recorded in January, with averages reaching a high of 27.5°F (-2.5°C) and a low of 15.1°F (-9.4°C).

How cold is it in January?

In Franklin Grove, in January, the average high-temperature is 27.5°F (-2.5°C), and the average low-temperature is 15.1°F (-9.4°C).

What is the most humid month?

January and July, with an average relative humidity of 85%, are most humid months in Franklin Grove.

What is the average humidity in January?

In January, the average relative humidity is 85%.

How many days does it rain in January?

In Franklin Grove, in January, during 4.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When does it snow the most in Franklin Grove?

The month with the most snowfall is January, when snow falls for 10.4 days and typically aggregates up to 2.32" (59mm) of snow.

How much does it snow in January?

In Franklin Grove, in January, snow falls for 10.4 days, with typically accumulated 2.32" (59mm) of snow.

How many hours of daylight does Franklin Grove have in January?

In Franklin Grove, the average day length in January is 9h and 33min.

When is the sunrise / sunset in January?

On the first day of January in Franklin Grove, sunrise is at 7:24 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:10 pm CST.

What is the month with the least sunshine?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Franklin Grove have in January?

In Franklin Grove, Illinois, the average sunshine duration in January is 3.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In Franklin Grove, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Franklin Grove, IL

Average temperature in January - Franklin Grove, IL
  • Average high temperature in January: 27.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in January
Franklin Grove, IL

Average pressure in January - Franklin Grove, 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 (29.91"Hg).

Average wind speed in January
Franklin Grove, IL

Average wind speed in January - Franklin Grove, IL
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in January
Franklin Grove, IL

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

The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in January
Franklin Grove, IL

Average rainfall in January - Franklin Grove, IL
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in January
Franklin Grove, IL

Average rainfall days in January - Franklin Grove, IL
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in January
Franklin Grove, IL

Average snowfall in January - Franklin Grove, IL
  • Average snowfall in January: 2.32"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Franklin Grove, IL

Average snowfall days in January - Franklin Grove, IL
  • Average snowfall days in January: 10.4 days

The month with the highest number of snowfall days is January (10.4 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
Franklin Grove, IL

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

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 12min).

  • Average sunshine in January: 3h and 5min

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

Average sunshine days in January
Franklin Grove, IL

Average sunshine days in January - Franklin Grove, IL
  • Average sunshine days in January: 17.4 days

The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in January
Franklin Grove, IL

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

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

Average cloud cover in January
Franklin Grove, IL

Average cloud cover in January - Franklin Grove, IL
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in January
Franklin Grove, IL

Average visibility in January - Franklin Grove, IL
  • Average visibility in January: 5mi

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

Franklin Grove, Illinois, USA

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