Climate and monthly weather forecast
Lebanon, MO

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Weather in January

January, like December, in Lebanon, Missouri, is a wintry winter month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 40.3°F (4.6°C). Lebanon notes the coldest temperatures in January, with a high average of 40.3°F (4.6°C) and a low of 25.5°F (-3.6°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Lebanon, Missouri, with an average temperature varying between 28.4°F (-2°C) and 44.6°F (7°C). February registers an average high-temperature of a chilly 44.6°F (7°C), slightly varied from January's 40.3°F (4.6°C). Weather in February »

Weather in March

March, the first month of the spring in Lebanon, is a moderate month, with an average temperature fluctuating between 55.9°F (13.3°C) and 38.1°F (3.4°C). The onset of March marks an increase in the average high-temperature, moving from a chilly 44.6°F (7°C) in February to a moderate 55.9°F (13.3°C). Weather in March »

Weather in April

April is a refreshing spring month in Lebanon, Missouri, with an average temperature varying between 66°F (18.9°C) and 47.1°F (8.4°C). April shows a rise in the average high-temperature, moving from March's refreshing 55.9°F (13.3°C) to an enjoyable 66°F (18.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Lebanon, Missouri, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 56.3°F (13.5°C). With the onset of May, Lebanon's weather sees a temperature rise, transitioning from a comfortable 66°F (18.9°C) in April to a moderately hot 75.4°F (24.1°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Lebanon, Missouri, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 65.1°F (18.4°C). Lebanon's June weather shows an increase in high-temperatures, moving from May's warm 75.4°F (24.1°C) to a still moderately hot 85.8°F (29.9°C). Weather in June »

Weather in July

July is a tropical summer month in Lebanon, Missouri, with an average temperature varying between 88.5°F (31.4°C) and 68.2°F (20.1°C). July is the warmest month, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 68.2°F (20.1°C). For July, the heat index is calculated to be a blistering 104°F (40°C). Weather in July »

Weather in August

August, the last month of the summer in Lebanon, is another hot month, with an average temperature ranging between max 86.5°F (30.3°C) and min 65.8°F (18.8°C). During August, Lebanon records an average high-temperature of a still tropical 86.5°F (30.3°C), marking a slight divergence from July's 88.5°F (31.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Lebanon, is still a warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 59.9°F (15.5°C). With the arrival of September, Lebanon notices a mild change in the average high-temperature, sliding from August's hot 86.5°F (30.3°C) to a moderately hot 80.1°F (26.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Lebanon, Missouri, with an average temperature fluctuating between 48°F (8.9°C) and 66.2°F (19°C). The onset of October results in a decrease in the average high-temperature, receding from a warm 80.1°F (26.7°C) in September to an enjoyable 66.2°F (19°C). Weather in October »

Weather in November

November, the last month of the autumn in Lebanon, is another cool month, with an average temperature varying between 37.2°F (2.9°C) and 54.3°F (12.4°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's comfortable 66.2°F (19°C) to a cool 54.3°F (12.4°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 high of 43.9°F (6.6°C) and an average low of 29.5°F (-1.4°C). The shift from November to December corresponds with a decrease in the average high-temperature, down to a frosty 43.9°F (6.6°C) from a cool 54.3°F (12.4°C). Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Lebanon notes the coldest temperatures in January, with a average high of 40.3°F (4.6°C) and a low of 25.5°F (-3.6°C).

How many days does it rain?

Throughout the year, there are 150.2 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

When does it snow in Lebanon?

January through May, November and December are months with snowfall.

How much does it snow?

Throughout the year, there are 25.2 snowfall days, and 10.91" (277mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5h of sunshine.

What are the months with the lowest UV index?

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 3.39" (86mm) of snow.

When is Daylight Saving Time (DST)?

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

What is the most humid month?

With an average relative humidity of 78%, May is the most humid month.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 4.57" (116mm) of precipitation.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When it does not snow?

June through October are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What month has the most sunshine in Lebanon?

June has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the hottest time of year?

Lebanon's temperatures tend to reach their peak averages in July, with a high of 88.5°F (31.4°C) and a low of 68.2°F (20.1°C).

What are the least humid months?

August through November, with an average relative humidity of 73%, are the least humid months.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.69" (43mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

Average temperature
Lebanon, MO

Average temperature - Lebanon, MO

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (40.3°F).

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure
Lebanon, MO

Average pressure - Lebanon, MO

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Lebanon, MO

Average wind speed - Lebanon, MO

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity
Lebanon, MO

Average humidity - Lebanon, MO

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August, September, October and November (73%).

Average rainfall
Lebanon, MO

Average rainfall - Lebanon, MO

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days
Lebanon, MO

Average rainfall days - Lebanon, MO

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (8.3 days).

Average snowfall
Lebanon, MO

Average snowfall - Lebanon, MO

The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Lebanon, MO

Average snowfall days - Lebanon, MO

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Lebanon, MO

Average daylight / Average sunshine - Lebanon, MO

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days
Lebanon, MO

Average sunshine days - Lebanon, MO

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.6 days).

Average UV index
Lebanon, MO

Average UV index - Lebanon, MO

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Lebanon, MO

Average visibility - Lebanon, MO

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Lebanon, Missouri, USA

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