January weather forecast
Polo, IL

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Weather in January

January, the same as December, in Polo, Illinois, is a freezing cold winter month, with an average temperature varying between 14.2°F (-9.9°C) and 26.6°F (-3°C).

Temperature

Temperature records mark January as the coldest month, with highs averaging 26.6°F (-3°C) and lows at 14.2°F (-9.9°C).

Humidity

With an average relative humidity of 86%, January is the most humid month.

Rainfall

January is the month with the least rainfall. Rain falls for 5.1 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall in Polo, Illinois. Snow falls for 11.1 days and accumulates 5.43" (138mm) of snow.

Daylight

In Polo, Illinois, the average length of the day in January is 9h and 32min.
On the first day of January in Polo, sunrise is at 7:26 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:11 pm CST.

Sunshine

The month with the least sunshine in Polo is January, with an average of 3.6h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. 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: In January, a regular UV index of 1 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Polo?

January, noted for its average high-temperature of 26.6°F (-3°C) and an average low-temperature of 14.2°F (-9.9°C), is considered the coldest month in Polo, Illinois.

How cold is it in Polo in January?

The average high-temperature, in January, in Polo, is 26.6°F (-3°C), while the average low-temperature is 14.2°F (-9.9°C).

What is the most humid month in Polo?

January is the most humid month in Polo, Illinois, with an average relative humidity of 86%.

What is the average humidity in January in Polo?

In January, the average relative humidity in Polo is 86%.

What is the driest month in Polo?

The month with the least rainfall is January, when the rain falls for 5.1 days and typically collects 1.54" (39mm) of precipitation.

How much does it rain in Polo in January?

In Polo, during January, the rain falls for 5.1 days and regularly aggregates up to 1.54" (39mm) of precipitation.

What is the snowiest month in Polo?

The month with the most snowfall in Polo, Illinois, is January, when snow falls for 11.1 days and typically aggregates up to 5.43" (138mm) of snow.

How many days does it snow in January in Polo?

In Polo, Illinois, in January, snow falls for 11.1 days, with typically accumulated 5.43" (138mm) of snow.

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

The average day length in January is 9h and 32min.

What time are sunrise and sunset in January in Polo?

On the first day of January in Polo, Illinois, sunrise is at 7:26 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Polo?

The month with the least sunshine is January, with an average of 3.6h of sunshine.

How long on average sun shines in January in Polo?

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

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

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

What is the UV index reading in January in Polo?

The average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.7°F 0.4°C
26.6°F -3°C
30.6°F -0.8°C
Average low temperature
22.5°F -5.3°C
14.2°F -9.9°C
17.4°F -8.1°C
Average pressure
30.1" 765mmHg
30.12" 765mmHg
30.11" 765mmHg
Average wind speed
9.5mph 15.3km/h
9.9mph 15.9km/h
10.1mph 16.3km/h
Average max. wind speed
10.1mph 16.3km/h
10.6mph 17.1km/h
10.7mph 17.2km/h
Average wind speed gusts
15.2mph 24.5km/h
16mph 25.7km/h
16.1mph 25.9km/h
Average humidity
83%
86%
85%
Average rainfall
1.69" 43mm
1.54" 39mm
1.57" 40mm
Average rainfall days
7.3
5.1
4.9
Average snowfall
2.87" 73mm
5.43" 138mm
4.69" 119mm
Average snowfall days
8.9
11.1
10.7
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
3h 5min
3h 4min
3h 4min
Average sunshine days
16.5
15.4
13.3
Average UV index
1
1
2
Average cloud cover
59%
63%
60%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in January
Polo, IL

Average temperature in January - Polo, IL
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in January: 14.2°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in January
Polo, IL

Average pressure in January - Polo, 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).

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Average wind speed in January
Polo, IL

Average wind speed in January - Polo, 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 (6.5mph).

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Average humidity in January
Polo, IL

Average humidity in January - Polo, IL
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in January
Polo, IL

Average rainfall in January - Polo, IL
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in January
Polo, IL

Average rainfall days in January - Polo, IL
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in January
Polo, IL

Average snowfall in January - Polo, IL
  • Average snowfall in January: 5.43"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Polo, IL

Average snowfall days in January - Polo, IL
  • Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is January (11.1 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
Polo, IL

Average daylight in January / Average sunshine in January - Polo, 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 12min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in January
Polo, IL

Average sunshine days in January - Polo, IL
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).

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Average UV index in January
Polo, IL

Average UV index in January - Polo, 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
Polo, IL

Average cloud cover in January - Polo, IL
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).

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Average visibility in January
Polo, IL

Average visibility in January - Polo, IL
  • Average visibility in January: 5mi

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

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Polo, Illinois, USA

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