Climate and monthly weather forecast
Lebanon, OR

Weather in January

January, the same as December, in Lebanon, Oregon, is another chilly winter month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 47.7°F (8.7°C). In January, the average high-temperature is almost the same as in December - a still chilly 47.7°F (8.7°C). Weather in January »

Weather in February

February, the last month of the winter in Lebanon, is another chilly month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 34.7°F (1.5°C). In February, the average high-temperature is essentially the same as in January - a still frosty 48.4°F (9.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Lebanon, Oregon, with an average temperature varying between 51.6°F (10.9°C) and 36.3°F (2.4°C). In Lebanon, Oregon, the average high-temperature in March is almost the same as in February - a cool 51.6°F (10.9°C). Weather in March »

Weather in April

April in Lebanon, Oregon, is a moderate spring month, with an average temperature ranging between max 57.6°F (14.2°C) and min 37.9°F (3.3°C). In Lebanon, the average high-temperature in April slightly increases from a cool 51.6°F (10.9°C) in March to a mild 57.6°F (14.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Lebanon, Oregon, with an average temperature ranging between min 41.5°F (5.3°C) and max 65.3°F (18.5°C). In Lebanon, the average high-temperature in May marginally rises from a mild 57.6°F (14.2°C) in April to an enjoyable 65.3°F (18.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Lebanon, Oregon, with an average temperature varying between 70.9°F (21.6°C) and 46°F (7.8°C). In Lebanon, the average high-temperature in June slightly increases from a comfortable 65.3°F (18.5°C) in May to a pleasant 70.9°F (21.6°C). Weather in June »

Weather in July

July is a moderately hot summer month in Lebanon, Oregon, with an average temperature ranging between max 79.5°F (26.4°C) and min 50.5°F (10.3°C). In July, the average high-temperature slightly increases from an agreeable 70.9°F (21.6°C) in June to a moderately hot 79.5°F (26.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Lebanon, Oregon, with an average temperature varying between 81.1°F (27.3°C) and 51.8°F (11°C). August is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 51.8°F (11°C). The average heat index in August is calculated to be 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Lebanon, Oregon, with an average temperature fluctuating between 73.4°F (23°C) and 48.9°F (9.4°C). In September, the average high-temperature marginally drops from a moderately hot 81.1°F (27.3°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Lebanon, Oregon, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 62.1°F (16.7°C). In October, the average high-temperature drops from a moderately hot 73.4°F (23°C) in September to an enjoyable 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Lebanon, Oregon, with an average temperature ranging between max 51.4°F (10.8°C) and min 39°F (3.9°C). In November, the average high-temperature drops from a comfortable 62.1°F (16.7°C) in October to a fresh 51.4°F (10.8°C). Weather in November »

Weather in December

December, the first month of the winter in Lebanon, is also a frosty month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 45.3°F (7.4°C). December is the coldest month, with an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 34.2°F (1.2°C). Weather in December »
[Resources]

FAQ

What is the most humid month in Lebanon?

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

How many days does it rain in Lebanon?

Throughout the year, in Lebanon, Oregon, there are 163.3 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

When does it snow in Lebanon?

Months with snowfall are January through March, November and December.

How many days does it snow in Lebanon?

In Lebanon, Oregon, during the entire year, snow falls for 5.6 days and aggregates up to 4.09" (104mm) of snow.

What are the months with the lowest UV index in Lebanon?

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

What is the snowiest month in Lebanon?

The month with the most snowfall in Lebanon, Oregon, is February, when snow falls for 2.5 days and typically aggregates up to 2.13" (54mm) of snow.

What is the month with the least sunshine in Lebanon?

The month with the least sunshine in Lebanon is February, with an average of 4.2h of sunshine.

When is Daylight Saving Time (DST) in Lebanon?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Lebanon?

April through October are months without snowfall.

When are the longest days in Lebanon?

The month with the longest days in Lebanon is June, with an average of 15h and 30min of daylight.

What is the driest month in Lebanon?

The month with the least rainfall in Lebanon, Oregon, is July, when the rain falls for 3.8 days and typically collects 0.24" (6mm) of precipitation.

What is the month with the highest UV index in Lebanon?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the warmest month in Lebanon?

The warmest month in Lebanon is August, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 51.8°F (11°C).

What is the least humid month in Lebanon?

August is the least humid month, with an average relative humidity of 66%.

What month has the most sunshine in Lebanon?

The month with the most sunshine in Lebanon, Oregon, is August, with an average of 11.2h of sunshine.

What is the coldest month in Lebanon?

The coldest month in Lebanon is December, with an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 34.2°F (1.2°C).

What is the wettest month in Lebanon?

The month with the most rainfall in Lebanon is December, when the rain falls for 18 days and typically aggregates up to 4.41" (112mm) of precipitation.

What is the month with the shortest days in Lebanon?

The month with the shortest days is December, with an average of 8h and 53min of daylight.

Average temperature
Lebanon, OR

Average temperature - Lebanon, OR

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).

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).

[Resources]

Average pressure
Lebanon, OR

Average pressure - Lebanon, OR

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).

[Resources]

Average wind speed
Lebanon, OR

Average wind speed - Lebanon, OR

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).

[Resources]

Average humidity
Lebanon, OR

Average humidity - Lebanon, OR

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

[Resources]

Average rainfall
Lebanon, OR

Average rainfall - Lebanon, OR

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

[Resources]

Average rainfall days
Lebanon, OR

Average rainfall days - Lebanon, OR

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).

[Resources]

Average snowfall
Lebanon, OR

Average snowfall - Lebanon, OR

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").

[Resources]

Average snowfall days
Lebanon, OR

Average snowfall days - Lebanon, OR

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).

[Resources]

Average daylight / Average sunshine
Lebanon, OR

Average daylight / Average sunshine - Lebanon, OR

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 53min).

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).

[Resources]

Average sunshine days
Lebanon, OR

Average sunshine days - Lebanon, OR

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

[Resources]

Average UV index
Lebanon, OR

Average UV index - Lebanon, OR

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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location