What is the hottest month in Frankfort?

July is the warmest month in Frankfort, with an average high of 77.4°F.

What is the coldest month in Frankfort?

January is the coldest month in Frankfort, with an average low of 18.5°F.

What month does Frankfort get the most rain?

October is typically the wettest month in Frankfort, with about 3.99 inches of precipitation.

What plant hardiness zone is Frankfort in?

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

Has the climate in Frankfort changed recently?

11.7% of Frankfort'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.

Frankfort, MI

Climate overview — based on NOAA 1991-2020 normals from FRANKFORT 2NE, MI US.

Dfb Warm-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Frankfort has an annual average temperature of 46.5°F with about 34.3 inches of precipitation per year and 93 inches of snow. The warmest month is July (average high 77.4°F), and the coldest is January (average low 18.5°F). October is typically the wettest month (3.99 in) and February the driest (1.72 in). Snow typically falls from October through April.

Pleasant months

4 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

45.3°F

warmest to coldest month

Heating need

6,876

HDD/yr

Cooling need

216

CDD/yr

Best time to visit Frankfort

Full guide →

Climate change signal

All-time records →

43 of 366 (11.7%) of Frankfort'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		4
1900s		17
1910s		16
1920s		31
1930s		42
1940s		46
1950s		9
1960s		12
1970s		20
1980s		27
1990s		39
2000s		43
2010s		34
2020s		26

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	28.6°F	18.5°F	23.6°F	2.19 in	27.2 in	15
February	30.6°F	19.1°F	24.8°F	1.72 in	19.4 in	11
March	39.5°F	25.4°F	32.5°F	1.98 in	12.8 in	9
April	51.8°F	34.6°F	43.2°F	3.06 in	3.3 in	10
May	63.9°F	44.9°F	54.4°F	3.08 in	0.1 in	11
June	73.4°F	54.6°F	64.0°F	3.18 in	—	9
July	77.4°F	60.4°F	68.9°F	3.04 in	—	9
August	76.1°F	60.5°F	68.3°F	3.18 in	—	9
September	69.0°F	53.9°F	61.4°F	3.75 in	—	11
October	56.2°F	42.9°F	49.6°F	3.99 in	0.3 in	13
November	43.9°F	32.9°F	38.4°F	2.94 in	6.4 in	12
December	33.6°F	24.1°F	28.9°F	2.23 in	23.5 in	13