January weather forecast
Allendale, IL

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Weather in January

January, like December, in Allendale, Illinois, is another cold winter month, with an average temperature ranging between min 24.8°F (-4°C) and max 37.9°F (3.3°C).

Temperature

January is the month when Allendale sees the lowest average temperatures, with a high of 37.9°F (3.3°C) and a low of 24.8°F (-4°C).

Humidity

In January, the average relative humidity in Allendale is 77%.

Rainfall

In Allendale, in January, during 9.4 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 155.6 rainfall days, and 34.65" (880mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall in Allendale, Illinois. Snow falls for 6.8 days and accumulates 1.46" (37mm) of snow.

Daylight

In January, the average length of the day is 9h and 50min.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:11 pm CST.

Sunshine

The month with the least sunshine in Allendale is January, with an average of 4.3h of sunshine.

UV index

The months with the lowest UV index in Allendale are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during January translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Allendale?

The coldest month in Allendale is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 24.8°F (-4°C).

Is it cold in Allendale during January?

In Allendale, 37.9°F (3.3°C) is the average high-temperature and 24.8°F (-4°C) is the average low-temperature during January.

What is the average humidity in January in Allendale?

The average relative humidity in January in Allendale, Illinois, is 77%.

How many days does it rain in January in Allendale?

In Allendale, during January, the rain falls for 9.4 days and regularly aggregates up to 2.44" (62mm) of precipitation.

What is the snowiest month in Allendale?

The month with the most snowfall in Allendale, Illinois, is January, when snow falls for 6.8 days and typically aggregates up to 1.46" (37mm) of snow.

How many days does it snow in January in Allendale?

In Allendale, in January, during 6.8 snowfall days, 1.46" (37mm) of snow is typically accumulated.

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

In Allendale, Illinois, the average day length in January is 9h and 50min.

What time are sunrise and sunset in January in Allendale?

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of the month, in Allendale, sunrise is at 6:57 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Allendale?

The month with the least sunshine in Allendale is January, with an average of 4.3h of sunshine.

How long on average sun shines in January in Allendale?

In Allendale, Illinois, the average sunshine duration in January is 4.3h.

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

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

What is the UV index intensity in January in Allendale?

The average daily maximum UV index in January in Allendale, Illinois, is 2. A UV Index reading of 2, and below, represents 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
Allendale, IL

Average temperature in January - Allendale, IL
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 24.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in January
Allendale, IL

Average pressure in January - Allendale, 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 (29.94"Hg).

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Average wind speed in January
Allendale, IL

Average wind speed in January - Allendale, IL
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in January
Allendale, IL

Average humidity in January - Allendale, IL
  • Average humidity in January: 77%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Allendale, IL

Average rainfall in January - Allendale, IL
  • Average rainfall in January: 2.44"

The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in January
Allendale, IL

Average rainfall days in January - Allendale, IL
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in January
Allendale, IL

Average snowfall in January - Allendale, IL
  • Average snowfall in January: 1.46"

The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Allendale, IL

Average snowfall days in January - Allendale, IL
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Allendale, 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 30min).

  • Average sunshine in January: 4h and 2min

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 18min).

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Average sunshine days in January
Allendale, IL

Average sunshine days in January - Allendale, IL
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in January
Allendale, IL

Average UV index in January - Allendale, 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).

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Average cloud cover in January
Allendale, IL

Average cloud cover in January - Allendale, IL
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in January
Allendale, IL

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

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