January weather forecast
Oregon, IL

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Weather in January

January, the same as December, in Oregon, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 14.2°F (-9.9°C).

Temperature

Temperature records mark January as the coldest month, with highs averaging 26.8°F (-2.9°C) and lows at 14.2°F (-9.9°C).

Humidity

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

Rainfall

The months with the least rainfall are January and February Rain falls for 5.4 days and accumulates 0.94" (24mm) of rain.

Snowfall

January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 12.2 days and accumulates 2.48" (63mm) of snow.

Daylight

In Oregon, the average length of the day in January is 9h and 32min.
On the first day of January, sunrise is at 7:25 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:10 pm CST.

Sunshine

With an average of 3.6h of sunshine, January has the least sunshine of the year.

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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Oregon?

In Oregon, January registers the lowest temperatures, averaging 26.8°F (-2.9°C) at the peak and 14.2°F (-9.9°C) at the lowest.

How cold is it in January?

In Oregon, 26.8°F (-2.9°C) is the average high-temperature and 14.2°F (-9.9°C) is the average low-temperature during January.

What is the most humid month?

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

What is the average humidity in January in Oregon?

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

What is the driest month?

January and February are months with the least rain when the rain falls for 5.4 days and typically aggregates up to 0.94" (24mm) of rain.

How many days does it rain in January?

In Oregon, during January, the rain falls for 5.4 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 12.2 days and typically aggregates up to 2.48" (63mm) of snow.

How much does it snow in Oregon in January?

In Oregon, in January, snow falls for 12.2 days, with typically accumulated 2.48" (63mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 32min.

When is the sunrise / sunset in January?

On the first day of January in Oregon, sunrise is at 7:25 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:10 pm CST.

What is the month with the least sunshine?

With an average of 3.6h 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 3.6h.

When is the lowest UV index?

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?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Oregon, IL

Average temperature in January - Oregon, IL
  • Average high temperature in January: 26.8°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 (26.8°F).

  • Average low temperature in January: 14.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in January
Oregon, IL

Average pressure in January - Oregon, 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).

Average wind speed in January
Oregon, IL

Average wind speed in January - Oregon, IL
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Oregon, IL

Average humidity in January - Oregon, 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%).

Average rainfall in January
Oregon, IL

Average rainfall in January - Oregon, IL
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").

Average rainfall days in January
Oregon, IL

Average rainfall days in January - Oregon, IL
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in January
Oregon, IL

Average snowfall in January - Oregon, IL
  • Average snowfall in January: 2.48"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Oregon, IL

Average snowfall days in January - Oregon, IL
  • Average snowfall days in January: 12.2 days

The month with the highest number of snowfall days is January (12.2 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
Oregon, IL

Average daylight in January / Average sunshine in January - Oregon, 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).

Average sunshine days in January
Oregon, IL

Average sunshine days in January - Oregon, IL
  • Average sunshine days in January: 15.3 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in January
Oregon, IL

Average UV index in January - Oregon, 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).

Average cloud cover in January
Oregon, IL

Average cloud cover in January - Oregon, 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).

Average visibility in January
Oregon, IL

Average visibility in January - Oregon, 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).

Oregon, Illinois, USA

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