January weather forecast
Montgomery, IL

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Weather in January

January, like December, is another subzero cold winter month in Montgomery, Illinois, with temperature in the range of an average high of 28.4°F (-2°C) and an average low of 16.7°F (-8.5°C).

Temperature

With average high temperatures of 28.4°F (-2°C) and lows of 16.7°F (-8.5°C), January is the coldest month.

Humidity

The months with the highest humidity in Montgomery are January, February, July and August, with an average relative humidity of 83%.

Rainfall

In Montgomery, Illinois, in January, it is raining for 5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Montgomery, there are 133.1 rainfall days, and 16.93" (430mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Montgomery is January, when snow falls for 10.7 days and typically aggregates up to 1.73" (44mm) of snow.

Daylight

In Montgomery, the average length of the day in January is 9h and 34min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:33 pm. On the last day of January, in Montgomery, sunrise is at 7:06 am and sunset at 5:06 pm CST.

Sunshine

The month with the least sunshine in Montgomery 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, a regular UV index of 1 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What part of the year is the coldest in Montgomery?

The month of January, characterized by an average high of 28.4°F (-2°C) and a low of 16.7°F (-8.5°C), is recognized as the coldest.

How cold is January in Montgomery?

The average high-temperature, in January, in Montgomery, is 28.4°F (-2°C), while the average low-temperature is 16.7°F (-8.5°C).

What are the most humid months in Montgomery?

January, February, July and August, with an average relative humidity of 83%, are most humid months in Montgomery.

What is the average humidity in January in Montgomery?

In January, the average relative humidity in Montgomery is 83%.

How much does it rain in Montgomery in January?

In Montgomery, during January, the rain falls for 5 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When does it snow the most in Montgomery?

January is the month with the most snowfall in Montgomery, Illinois. Snow falls for 10.7 days and accumulates 1.73" (44mm) of snow.

How much does it snow in Montgomery in January?

In Montgomery, in January, snow falls for 10.7 days, with typically accumulated 1.73" (44mm) of snow.

What is the average length of the day in January in Montgomery?

In Montgomery, the average day length in January is 9h and 34min.

When are sunrise and sunset in January in Montgomery?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:33 pm. On the last day of the month, in Montgomery, Illinois, sunrise is at 7:06 am and sunset at 5:06 pm CST.

What is the month with the least sunshine in Montgomery?

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

How many hours of sunshine does Montgomery have in January?

The average sunshine duration in January in Montgomery, Illinois, is 3.8h.

What are the months with the lowest UV index in Montgomery?

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

What is the UV index reading in January in Montgomery?

In Montgomery, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Montgomery, IL

Average temperature in January - Montgomery, IL
  • Average high temperature in January: 28.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in January
Montgomery, IL

Average pressure in January - Montgomery, IL
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Montgomery, IL

Average wind speed in January - Montgomery, IL
  • Average wind speed in January: 9.6mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Montgomery, IL

Average humidity in January - Montgomery, IL
  • Average humidity in January: 83%

The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Montgomery, IL

Average rainfall in January - Montgomery, IL
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").

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Average rainfall days in January
Montgomery, IL

Average rainfall days in January - Montgomery, IL
  • Average rainfall days in January: 5 days

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

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Average snowfall in January
Montgomery, IL

Average snowfall in January - Montgomery, IL
  • Average snowfall in January: 1.73"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Montgomery, IL

Average snowfall days in January - Montgomery, IL
  • Average snowfall days in January: 10.7 days

The month with the highest number of snowfall days is January (10.7 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
Montgomery, IL

Average daylight in January / Average sunshine in January - Montgomery, 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 month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in January
Montgomery, IL

Average sunshine days in January - Montgomery, IL
  • Average sunshine days in January: 17 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in January
Montgomery, IL

Average UV index in January - Montgomery, 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
Montgomery, IL

Average cloud cover in January - Montgomery, IL
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in January
Montgomery, IL

Average visibility in January - Montgomery, 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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Montgomery, Illinois, USA

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