January weather forecast
South Lebanon, OR

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Weather in January

January, like December, is a frosty winter month in South Lebanon, Oregon, with an average temperature fluctuating between 47.7°F (8.7°C) and 35.2°F (1.8°C).

Temperature

The advent of January reveals an average high-temperature of a still frosty 47.7°F (8.7°C), showing minimal difference from the prior month. Throughout the nights in January, an average low-temperature of 35.2°F (1.8°C) is noted in South Lebanon.

Humidity

The months with the highest humidity are January through March and December, with an average relative humidity of 86%.

Rainfall

In South Lebanon, in January, during 17.4 rainfall days, 4.09" (104mm) of precipitation is typically accumulated. Throughout the year, in South Lebanon, there are 163.3 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in South Lebanon. In South Lebanon, in January, snow falls for 1.1 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 5.6 snowfall days, and 4.09" (104mm) of snow is accumulated.

Daylight

In South Lebanon, Oregon, the average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 7:47 am and sunset at 4:42 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:18 pm PST.

Sunshine

The average sunshine in January is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 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. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are January temperatures?

During January, South Lebanon experiences an average high-temperature of 47.7°F (8.7°C) and a low-temperature of 35.2°F (1.8°C).

What are the most humid months?

The months with the highest humidity are January through March and December, with an average relative humidity of 86%.

What is the average humidity in January in South Lebanon?

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

How many days does it rain in January in South Lebanon?

In South Lebanon, in January, during 17.4 rainfall days, 4.09" (104mm) of precipitation is typically accumulated.

How much does it snow in January?

In January, it is snowing for 1.1 days. Throughout January, 1.02" (26mm) of snow is accumulated.

How many hours of daylight does South Lebanon have in January?

The average day length in January is 9h and 17min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:47 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:18 pm PST.

How many hours of sunshine does South Lebanon have in January?

In South Lebanon, the average sunshine duration in January is 4.3h.

What is the month with 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.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents 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
South Lebanon, OR

Average temperature in January - South Lebanon, OR
  • Average high temperature in January: 47.7°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.3°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in January
South Lebanon, OR

Average pressure in January - South Lebanon, OR
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in January
South Lebanon, OR

Average wind speed in January - South Lebanon, OR
  • Average wind speed in January: 5.1mph

The windiest months (with the highest average wind speed) are January and March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in January
South Lebanon, OR

Average humidity in January - South Lebanon, OR
  • Average humidity in January: 86%

The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in January
South Lebanon, OR

Average rainfall in January - South Lebanon, OR
  • Average rainfall in January: 4.09"

The wettest month (with the highest rainfall) is December (4.41").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in January
South Lebanon, OR

Average rainfall days in January - South Lebanon, OR
  • Average rainfall days in January: 17.4 days

The month with the highest number of rainy days is March (20.1 days).
The months with the least rainy days are July and August (3.8 days).

Average snowfall in January
South Lebanon, OR

Average snowfall in January - South Lebanon, OR
  • Average snowfall in January: 1.02"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
South Lebanon, OR

Average snowfall days in January - South Lebanon, OR
  • Average snowfall days in January: 1.1 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
South Lebanon, OR

Average daylight in January / Average sunshine in January - South Lebanon, OR
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
South Lebanon, OR

Average sunshine days in January - South Lebanon, OR
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is March (9.1 days).

Average UV index in January
South Lebanon, OR

Average UV index in January - South Lebanon, OR
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
South Lebanon, OR

Average cloud cover in January - South Lebanon, OR
  • Average cloud cover in January: 56

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in January
South Lebanon, OR

Average visibility in January - South Lebanon, OR
  • Average visibility in January: 5mi

The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is February (4mi).

South Lebanon, Oregon, USA

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