What is the hottest month in Lebanon?

July is the warmest month in Lebanon, with an average high of 88.4°F.

What is the coldest month in Lebanon?

January is the coldest month in Lebanon, with an average low of 22.2°F.

What month does Lebanon get the most rain?

May is typically the wettest month in Lebanon, with about 5.89 inches of precipitation.

What plant hardiness zone is Lebanon in?

Lebanon is approximately in USDA plant hardiness Zone 7b, based on the average annual extreme minimum temperature.

Lebanon, MO

Climate overview — based on NOAA 1991-2020 normals from LEBANON 2W, MO US.

Cfa Humid subtropical climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Lebanon has an annual average temperature of 55.8°F with about 45.9 inches of precipitation per year and 8.3 inches of snow. The warmest month is July (average high 88.4°F), and the coldest is January (average low 22.2°F). May is typically the wettest month (5.89 in) and December the driest (2.52 in). Snow typically falls from November through March.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

45.4°F

warmest to coldest month

Heating need

4,374

HDD/yr

Cooling need

1,077

CDD/yr

Best time to visit Lebanon

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Climate change signal

All-time records →

13 of 366 (3.6%) of Lebanon's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		26
1900s		23
1910s		55
1920s		29
1930s		82
1940s		23
1950s		40
1960s		21
1970s		8
1980s		15
1990s		7
2000s		12
2010s		17
2020s		8

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	42.5°F	22.2°F	32.3°F	2.71 in	2.9 in	7
February	47.6°F	25.4°F	36.5°F	2.60 in	1.3 in	7
March	57.7°F	34.3°F	46.0°F	3.50 in	1.1 in	10
April	67.6°F	43.9°F	55.8°F	4.88 in	—	10
May	75.9°F	54.2°F	65.0°F	5.89 in	—	11
June	83.9°F	62.8°F	73.4°F	4.68 in	—	9
July	88.4°F	67.1°F	77.7°F	4.09 in	—	8
August	87.5°F	65.2°F	76.4°F	4.36 in	—	8
September	80.0°F	56.8°F	68.4°F	4.07 in	—	7
October	69.1°F	45.5°F	57.3°F	3.35 in	—	8
November	56.1°F	34.6°F	45.3°F	3.21 in	0.4 in	8
December	45.8°F	26.3°F	36.0°F	2.52 in	2.6 in	6