Climate and monthly 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). South Lebanon's January average high-temperature settles at a still chilly 47.7°F (8.7°C), showing a near match with the preceding month. Weather in January »

Weather in February

February, the last month of the winter in South Lebanon, is also a frosty month, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.4°F (9.1°C). In South Lebanon, February's average high-temperature stands at a still frosty 48.4°F (9.1°C), closely related to the preceding month. Weather in February »

Weather in March

March, the first month of the spring in South Lebanon, is a cool month, with an average temperature ranging between max 51.6°F (10.9°C) and min 36.3°F (2.4°C). South Lebanon observes an average high-temperature of a fresh 51.6°F (10.9°C) in March, barely different from 48.4°F (9.1°C) in February. Weather in March »

Weather in April

April is a moderate spring month in South Lebanon, Oregon, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 57.6°F (14.2°C). The start of April brings a subtle shift in the average high-temperature, edging up from March's cool 51.6°F (10.9°C) to a mild 57.6°F (14.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in South Lebanon, Oregon, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 41.5°F (5.3°C). South Lebanon's transition into May sees a mild rise in the average high-temperature, edging from a moderate 57.6°F (14.2°C) in April to a comfortable 65.3°F (18.5°C). Weather in May »

Weather in June

June, the first month of the summer in South Lebanon, is a pleasant month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 70.9°F (21.6°C). The average high-temperature mildly increases in June, edging from an enjoyable 65.3°F (18.5°C) in May to an agreeable 70.9°F (21.6°C). Weather in June »

Weather in July

July is a moderately hot summer month in South Lebanon, Oregon, with an average temperature fluctuating between 50.5°F (10.3°C) and 79.5°F (26.4°C). The arrival of July signals a slight increase in the average high-temperature, moving from a pleasant 70.9°F (21.6°C) in June to a warm 79.5°F (26.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in South Lebanon, Oregon, with an average temperature ranging between min 51.8°F (11°C) and max 81.1°F (27.3°C). In South Lebanon, Oregon, the peak temperatures are generally noted in August, averaging a high of 81.1°F (27.3°C) and a low of 51.8°F (11°C). The heat index value during August is estimated at 84.2°F (29°C). Weather in August »

Weather in September

September, the first month of the autumn in South Lebanon, is also a moderately hot month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 48.9°F (9.4°C). The arrival of September signals a subtle shift in temperature, down from 81.1°F (27.3°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in South Lebanon, Oregon, with an average temperature fluctuating between 62.1°F (16.7°C) and 44.2°F (6.8°C). With October's onset, the weather shows a temperature decrease, transitioning 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

November, the last month of the autumn in South Lebanon, is another cool month, with an average temperature varying between 51.4°F (10.8°C) and 39°F (3.9°C). Arrival of November comes with a reduction in the average high-temperature, falling from a refreshing 62.1°F (16.7°C) in October to a fresh 51.4°F (10.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in South Lebanon, Oregon, with an average temperature ranging between min 34.2°F (1.2°C) and max 45.3°F (7.4°C). South Lebanon's coldest temperatures are experienced in December, with average high temperatures of 45.3°F (7.4°C) and lows of 34.2°F (1.2°C). Weather in December »
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Frequently asked questions

What is the most humid month in South Lebanon?

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

How many days does it rain in South Lebanon?

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

When does it snow in South Lebanon?

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

How many days does it snow in South Lebanon?

In South 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 South Lebanon?

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

What is the snowiest month in South Lebanon?

February is the month with the most snowfall. Snow falls for 2.5 days and accumulates 2.13" (54mm) of snow.

What is the month with the least sunshine in South Lebanon?

February has the least sunshine of the year in South Lebanon, Oregon, with an average of 4.2h of sunshine.

When is Daylight Saving Time (DST) in South Lebanon?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in South Lebanon?

In South Lebanon, snow does not fall in April through October.

When are the longest days in South Lebanon?

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

What is the driest month in South Lebanon?

July is the month with the least rainfall in South Lebanon, Oregon. Rain falls for 3.8 days and accumulates 0.24" (6mm) of precipitation.

When is the highest UV index in South Lebanon?

With an average maximum UV index of 6, July is the month with the highest UV index in South Lebanon, Oregon.

What are the warmest months in South Lebanon?

August registers as the month with the average highest temperatures in South Lebanon, Oregon, reaching 81.1°F (27.3°C) at its peak and 51.8°F (11°C) at the lowest.

What is the least humid month in South Lebanon?

The least humid month in South Lebanon is August, with an average relative humidity of 66%.

What month has the most sunshine in South Lebanon?

With an average of 11.2h of sunshine, August has the most sunshine of the year in South Lebanon.

What is the coldest month in South Lebanon?

December, with its average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 34.2°F (1.2°C), holds the record as the coldest month in South Lebanon.

What is the wettest month in South Lebanon?

December is the month with the most rainfall. Rain falls for 18 days and accumulates 4.41" (112mm) of precipitation.

What is the month with the shortest days in South Lebanon?

The month with the shortest days in South Lebanon is December, with an average of 8h and 54min of daylight.

Average temperature
South Lebanon, OR

Average temperature - South 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).

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Average pressure
South Lebanon, OR

Average pressure - South 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).

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Average wind speed
South Lebanon, OR

Average wind speed - South 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).

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Average humidity
South Lebanon, OR

Average humidity - South 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%).

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Average rainfall
South Lebanon, OR

Average rainfall - South Lebanon, OR

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
South Lebanon, OR

Average rainfall days - South 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).

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Average snowfall
South Lebanon, OR

Average snowfall - South 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").

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Average snowfall days
South Lebanon, OR

Average snowfall days - South 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).

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Average daylight / Average sunshine
South Lebanon, OR

Average daylight / Average sunshine - South 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 54min).

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
South Lebanon, OR

Average sunshine days - South 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).

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Average UV index
South Lebanon, OR

Average UV index - South 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).

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South Lebanon, Oregon, USA

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