January weather forecast
Highland, IL

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Weather in January

January, like December, in Highland, Illinois, is another cold winter month, with an average temperature fluctuating between 36.9°F (2.7°C) and 23.7°F (-4.6°C).

Temperature

During the coldest month, January, temperatures average a high of 36.9°F (2.7°C) and a low of 23.7°F (-4.6°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In Highland, during January, the rain falls for 5.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. In Highland, in January, snow falls for 4.8 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, in Highland, there are 15.9 snowfall days, and 2.32" (59mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 49min.
On the first day of January, sunrise is at 7:16 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:18 pm CST.

Sunshine

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index 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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

With an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 23.7°F (-4.6°C), January is the coldest month.

How cold is January?

During January, Highland experiences an average high-temperature of 36.9°F (2.7°C) and a low-temperature of 23.7°F (-4.6°C).

What is the average humidity in January in Highland?

The average relative humidity in January is 76%.

How much does it rain in January?

In Highland, in January, it is raining for 5.9 days, with typically 0.91" (23mm) of accumulated precipitation.

How many days does it snow in January?

In Highland, in January, during 4.8 snowfall days, 0.51" (13mm) of snow is typically accumulated.

How many hours of daylight does Highland have in January?

The average day length in January is 9h and 49min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:16 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:18 pm CST.

What are the months with the least sunshine?

January and February, with an average of 4.6h of sunshine, are months with the least sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.6h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Highland, IL

Average temperature in January - Highland, IL
  • Average high temperature in January: 36.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in January
Highland, IL

Average pressure in January - Highland, 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 (29.92"Hg).

Average wind speed in January
Highland, IL

Average wind speed in January - Highland, IL
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in January
Highland, IL

Average humidity in January - Highland, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Highland, IL

Average rainfall in January - Highland, IL
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in January
Highland, IL

Average rainfall days in January - Highland, IL
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).

Average snowfall in January
Highland, IL

Average snowfall in January - Highland, IL
  • Average snowfall in January: 0.51"

The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in January
Highland, IL

Average snowfall days in January - Highland, IL
  • Average snowfall days in January: 4.8 days

The months with the highest number of snowfall days are January and February (4.8 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
Highland, IL

Average daylight in January / Average sunshine in January - Highland, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in January
Highland, IL

Average sunshine days in January - Highland, IL
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in January
Highland, IL

Average UV index in January - Highland, 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).

Average cloud cover in January
Highland, IL

Average cloud cover in January - Highland, IL
  • Average cloud cover in January: 50

The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).

Average visibility in January
Highland, IL

Average visibility in January - Highland, 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).

Highland, Illinois, USA

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