January weather forecast
Lebanon, OR

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Weather in January

Weather pattern in Lebanon, Oregon transitions into the new year with a continuation of cool temperatures, overcast skies, and plenty of precipitation. A rise in the average high temperature occurs, peaking at 47.7°F (8.7°C). January also brings with it significant amounts of rainfall, signaling the start of the wettest quarter of the year. Cloud cover lingers, allowing for less daylight hours compared to the upcoming months. Conditions remain relatively steady from the prior month, introducing the new year with cool and wet weather.

Temperature

Lebanon experiences an average high-temperature of a still chilly 47.7°F (8.7°C) in January, subtly different from December's 45.3°F (7.4°C). During January, Lebanon sees a mean low-temperature of 35.2°F (1.8°C).

Humidity

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

Rainfall

In Lebanon, Oregon, during January, the rain falls for 17.4 days and regularly aggregates up to 4.09" (104mm) of precipitation. Throughout the year, 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 Lebanon, during January, snow falls for 1.1 days and regularly aggregates up to 1.02" (26mm) of snow. In Lebanon, during the entire year, snow falls for 5.6 days and aggregates up to 4.09" (104mm) of snow.

Daylight

The average length of the day in January in Lebanon is 9h and 17min.
On the first day of the month, sunrise is at 7:48 am and sunset at 4:42 pm. On the last day of January, in Lebanon, sunrise is at 7:31 am and sunset at 5:18 pm PST.

Sunshine

In Lebanon, Oregon, 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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What is the average January temperature in Lebanon?

The high-temperature, in January, in Lebanon, is 47.7°F (8.7°C), while the low-temperature averages to 35.2°F (1.8°C).

What are the most humid months in Lebanon?

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

What is the average humidity in January in Lebanon?

The average relative humidity in January in Lebanon, Oregon, is 86%.

How many days does it rain in January in Lebanon?

In January, the rain falls for 17.4 days. Throughout January, 4.09" (104mm) of precipitation is accumulated.

How many days does it snow in January in Lebanon?

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

How many hours of daylight does Lebanon have in January?

In January, the average day length in Lebanon is 9h and 17min.

What time are sunrise and sunset in January in Lebanon?

In January, on the first day of the month, sunrise is at 7:48 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 long on average sun shines in January in Lebanon?

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

When is the lowest UV index in Lebanon?

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

What is the UV index intensity in January in Lebanon?

In Lebanon, Oregon, the average daily maximum UV index in January 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
Lebanon, OR

Average temperature in January - 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).

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Average pressure in January
Lebanon, OR

Average pressure in January - 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).

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Average wind speed in January
Lebanon, OR

Average wind speed in January - 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).

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Average humidity in January
Lebanon, OR

Average humidity in January - 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%).

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Average rainfall in January
Lebanon, OR

Average rainfall in January - 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").

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Average rainfall days in January
Lebanon, OR

Average rainfall days in January - 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).

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Average snowfall in January
Lebanon, OR

Average snowfall in January - 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").

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Average snowfall days in January
Lebanon, OR

Average snowfall days in January - 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).

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

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

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Average sunshine days in January
Lebanon, OR

Average sunshine days in January - 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).

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Average UV index in January
Lebanon, OR

Average UV index in January - 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).

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Average cloud cover in January
Lebanon, OR

Average cloud cover in January - 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).

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Average visibility in January
Lebanon, OR

Average visibility in January - 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).

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Lebanon, Oregon, USA

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