January weather forecastLebanon, OR
January
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's shift from December to January is accompanied by an average high-temperature of a still chilly 47.7°F (8.7°C), a slight deviation from 45.3°F (7.4°C). The nights of January anticipate an average low-temperature of 35.2°F (1.8°C).Humidity
January through March and December, with an average relative humidity of 86%, are the most humid months in Lebanon.Rainfall
In Lebanon, in January, during 17.4 rainfall days, 4.09" (104mm) of precipitation is typically accumulated. 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. Throughout the year, there are 5.6 snowfall days, and 4.09" (104mm) of snow is accumulated.Daylight
The average length of the day in January 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, 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 vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in January /
Average sunshine in January
Lebanon, OR
- Average daylight in January: 9h and 18min
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 18min
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
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
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
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
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).
