January weather forecast
Oakbrook, KY

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Weather in January

January, like December, in Oakbrook, Kentucky, is a wintry winter month, with an average temperature ranging between min 23.5°F (-4.7°C) and max 36°F (2.2°C).

Temperature

January is Oakbrook's coldest month, registering average high temperatures of 36°F (2.2°C) and lows of 23.5°F (-4.7°C).

Humidity

In Oakbrook, the average relative humidity in January is 80%.

Rainfall

In Oakbrook, in January, during 8.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Oakbrook, during the entire year, the rain falls for 146.4 days and collects up to 23.58" (599mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Oakbrook. In January, it is snowing for 8.5 days. Throughout January, 1.61" (41mm) of snow is accumulated. Throughout the year, there are 30.4 snowfall days, and 7.76" (197mm) of snow is accumulated.

Daylight

In Oakbrook, Kentucky, the average length of the day in January is 9h and 48min.
On the first day of the month, sunrise is at 7:57 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:46 am and sunset at 5:58 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 4h of 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Oakbrook notes the coldest temperatures in January, with a average high of 36°F (2.2°C) and a low of 23.5°F (-4.7°C).

How cold is January?

An average high-temperature, in January, in Oakbrook, is 36°F (2.2°C) and the average low-temperature is 23.5°F (-4.7°C).

What is the average humidity in January?

In Oakbrook, the average relative humidity in January is 80%.

How much does it rain in January?

In Oakbrook, in January, during 8.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Oakbrook, in January, during 8.5 snowfall days, 1.61" (41mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 48min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:58 pm EST.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

The average sunshine duration in January is 4h.

When is the lowest UV index?

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

How high is the UV index in January?

In Oakbrook, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from 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
Oakbrook, KY

Average temperature in January - Oakbrook, KY
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in January
Oakbrook, KY

Average pressure in January - Oakbrook, KY
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Oakbrook, KY

Average wind speed in January - Oakbrook, KY
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in January
Oakbrook, KY

Average humidity in January - Oakbrook, KY
  • Average humidity in January: 80%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in January
Oakbrook, KY

Average rainfall in January - Oakbrook, KY
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in January
Oakbrook, KY

Average rainfall days in January - Oakbrook, KY
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in January
Oakbrook, KY

Average snowfall in January - Oakbrook, KY
  • Average snowfall in January: 1.61"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Oakbrook, KY

Average snowfall days in January - Oakbrook, KY
  • Average snowfall days in January: 8.5 days

The month with the highest number of snowfall days is January (8.5 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
Oakbrook, KY

Average daylight in January / Average sunshine in January - Oakbrook, KY
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in January
Oakbrook, KY

Average sunshine days in January - Oakbrook, KY
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and June (12 days).

Average UV index in January
Oakbrook, KY

Average UV index in January - Oakbrook, KY
  • Average UV index in January: 2

The months with the highest UV index are 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
Oakbrook, KY

Average cloud cover in January - Oakbrook, KY
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Oakbrook, KY

Average visibility in January - Oakbrook, KY
  • 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).

Oakbrook, Kentucky, USA

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