What is the hottest month in Graham?

July is the warmest month in Graham, with an average high of 86.7°F.

What is the coldest month in Graham?

January is the coldest month in Graham, with an average low of 13.9°F.

What month does Graham get the most rain?

May is typically the wettest month in Graham, with about 5.47 inches of precipitation.

What plant hardiness zone is Graham in?

Graham is approximately in USDA plant hardiness Zone 6b, based on the average annual extreme minimum temperature.

Has the climate in Graham changed recently?

8.5% of Graham's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Graham, MO

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

Dfa Hot-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Graham has an annual average temperature of 51.4°F with about 38.4 inches of precipitation per year and 15.3 inches of snow. The warmest month is July (average high 86.7°F), and the coldest is January (average low 13.9°F). May is typically the wettest month (5.47 in) and January the driest (0.89 in). Snow typically falls from November through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

52.3°F

warmest to coldest month

Heating need

5,745

HDD/yr

Cooling need

852

CDD/yr

Best time to visit Graham

Full guide →

Climate change signal

All-time records →

31 of 366 (8.5%) of Graham'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		11
1900s		12
1910s		38
1920s		26
1930s		104
1940s		12
1950s		18
1960s		22
1970s		10
1980s		30
1990s		21
2000s		20
2010s		25
2020s		17

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	33.8°F	13.9°F	23.8°F	0.89 in	5.2 in	6
February	38.9°F	17.9°F	28.4°F	1.20 in	4.4 in	6
March	51.5°F	28.9°F	40.2°F	2.31 in	1.6 in	8
April	63.2°F	39.2°F	51.2°F	3.98 in	0.8 in	10
May	73.3°F	51.5°F	62.4°F	5.47 in	—	12
June	83.0°F	61.6°F	72.3°F	4.97 in	—	11
July	86.7°F	65.6°F	76.1°F	5.33 in	—	10
August	85.2°F	62.9°F	74.0°F	4.22 in	—	9
September	78.4°F	53.7°F	66.0°F	3.52 in	—	8
October	66.1°F	41.3°F	53.7°F	3.01 in	0.1 in	8
November	50.7°F	29.2°F	40.0°F	1.98 in	0.6 in	6
December	38.5°F	19.2°F	28.8°F	1.49 in	2.6 in	5