January weather forecast
Tiskilwa, IL

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Weather in January

January, like December, is a freezing cold winter month in Tiskilwa, Illinois, with an average temperature fluctuating between 28.8°F (-1.8°C) and 16.5°F (-8.6°C).

Temperature

In Tiskilwa, the month of January is known for its lowest average temperatures, reaching a high of 28.8°F (-1.8°C) and a low of 16.5°F (-8.6°C).

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.75" (19mm) of precipitation.

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 2.09" (53mm) of snow.

Daylight

In January, the average length of the day is 9h and 36min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:12 pm CST.

Sunshine

The month with the least sunshine in Tiskilwa 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 1 in January translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What month is the coldest in Tiskilwa?

In Tiskilwa, January records the average lowest temperatures, peaking at 28.8°F (-1.8°C) and reaching a low of 16.5°F (-8.6°C).

How cold is it in Tiskilwa in January?

The average high-temperature and low-temperature during January are 28.8°F (-1.8°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in January in Tiskilwa?

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

What is the driest month in Tiskilwa?

The month with the least rainfall in Tiskilwa, Illinois, is January, when the rain falls for 4.8 days and typically collects 0.75" (19mm) of precipitation.

How many days does it rain in January in Tiskilwa?

In Tiskilwa, Illinois, during January, the rain falls for 4.8 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When does it snow the most in Tiskilwa?

The month with the most snowfall in Tiskilwa is January, when snow falls for 10.4 days and typically aggregates up to 2.09" (53mm) of snow.

How many days does it snow in January in Tiskilwa?

In January, it is snowing for 10.4 days. Throughout January, 2.09" (53mm) of snow is accumulated.

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

The average day length in January is 9h and 36min.

What time are sunrise and sunset in January in Tiskilwa?

On the first day of January in Tiskilwa, sunrise is at 7:23 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:12 pm CST.

What is the month with the least sunshine in Tiskilwa?

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

How long on average sun shines in January in Tiskilwa?

In January, the average sunshine duration is 3.8h.

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

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

What is the UV index intensity in January in Tiskilwa?

In Tiskilwa, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
34.5°F 1.4°C
28.8°F -1.8°C
32.7°F 0.4°C
Average low temperature
24.1°F -4.4°C
16.5°F -8.6°C
19.8°F -6.8°C
Average pressure
30.1" 765mmHg
30.13" 765mmHg
30.11" 765mmHg
Average wind speed
9.6mph 15.4km/h
10.3mph 16.6km/h
10.3mph 16.6km/h
Average max. wind speed
10.3mph 16.6km/h
10.9mph 17.5km/h
10.9mph 17.5km/h
Average wind speed gusts
15.5mph 24.9km/h
16.3mph 26.2km/h
16.2mph 26.1km/h
Average humidity
82%
83%
82%
Average rainfall
0.91" 23mm
0.75" 19mm
0.83" 21mm
Average rainfall days
6.2
4.8
4.5
Average snowfall
1.14" 29mm
2.09" 53mm
1.54" 39mm
Average snowfall days
7.1
10.4
8.5
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 1min
3h 5min
4h 0min
Average sunshine days
17.5
17.8
15.6
Average UV index
1
1
2
Average cloud cover
56%
60%
57%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Tiskilwa, IL

Average temperature in January - Tiskilwa, IL
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 16.5°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 (16.5°F).

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Average pressure in January
Tiskilwa, IL

Average pressure in January - Tiskilwa, IL
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Tiskilwa, IL

Average wind speed in January - Tiskilwa, IL
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in January
Tiskilwa, IL

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in January
Tiskilwa, IL

Average rainfall in January - Tiskilwa, IL
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in January
Tiskilwa, IL

Average rainfall days in January - Tiskilwa, IL
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in January
Tiskilwa, IL

Average snowfall in January - Tiskilwa, IL
  • Average snowfall in January: 2.09"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Tiskilwa, IL

Average snowfall days in January - Tiskilwa, 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 and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • 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).

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Average sunshine days in January
Tiskilwa, IL

Average sunshine days in January - Tiskilwa, IL
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in January
Tiskilwa, IL

Average UV index in January - Tiskilwa, 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).

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Average cloud cover in January
Tiskilwa, IL

Average cloud cover in January - Tiskilwa, 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
Tiskilwa, IL

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

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