What is the hottest month in Marion?

July is the warmest month in Marion, with an average high of 80.4°F.

What is the coldest month in Marion?

February is the coldest month in Marion, with an average low of 9.6°F.

What month does Marion get the most rain?

October is typically the wettest month in Marion, with about 3.67 inches of precipitation.

What plant hardiness zone is Marion in?

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

Has the climate in Marion changed recently?

15.6% of Marion'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.

Marion, MI

Climate overview — based on NOAA 1991-2020 normals from LAKE CITY EXP FARM, MI US.

Dfb Warm-summer humid continental climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Marion has an annual average temperature of 43.6°F with about 33.4 inches of precipitation per year and 74 inches of snow. The warmest month is July (average high 80.4°F), and the coldest is February (average low 9.6°F). October is typically the wettest month (3.67 in) and February the driest (1.45 in). Snow typically falls from October through May.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

48.9°F

warmest to coldest month

Heating need

7,815

HDD/yr

Cooling need

CDD/yr

Best time to visit Marion

Full guide →

Climate change signal

All-time records →

57 of 366 (15.6%) of Marion'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		12
1900s		17
1920s		3
1930s		62
1940s		41
1950s		35
1960s		17
1970s		24
1980s		25
1990s		23
2000s		27
2010s		44
2020s		36

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	27.3°F	9.9°F	18.6°F	1.88 in	18.7 in	16
February	30.3°F	9.6°F	19.9°F	1.45 in	13.9 in	12
March	40.5°F	17.3°F	28.9°F	1.88 in	9.4 in	11
April	53.2°F	29.4°F	41.3°F	3.53 in	5.2 in	13
May	66.3°F	40.9°F	53.6°F	3.47 in	0.3 in	13
June	76.2°F	50.7°F	63.4°F	3.48 in	—	12
July	80.4°F	54.5°F	67.5°F	3.11 in	—	11
August	78.6°F	52.8°F	65.7°F	3.42 in	—	11
September	71.1°F	44.7°F	57.9°F	3.04 in	—	12
October	57.3°F	35.0°F	46.1°F	3.67 in	1.4 in	15
November	43.4°F	26.2°F	34.8°F	2.52 in	9.0 in	14
December	32.6°F	17.5°F	25.0°F	1.94 in	16.1 in	15