What is the hottest month in Grayling?

July is the warmest month in Grayling, with an average high of 80.2°F.

What is the coldest month in Grayling?

February is the coldest month in Grayling, with an average low of 8.7°F.

What month does Grayling get the most rain?

October is typically the wettest month in Grayling, with about 4.01 inches of precipitation.

What plant hardiness zone is Grayling in?

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

Has the climate in Grayling changed recently?

8.5% of Grayling'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.

Grayling, MI

Climate overview — based on NOAA 1991-2020 normals from GRAYLING, MI US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Grayling has an annual average temperature of 43.3°F with about 33.2 inches of precipitation per year and 88.3 inches of snow. The warmest month is July (average high 80.2°F), and the coldest is February (average low 8.7°F). October is typically the wettest month (4.01 in) and February the driest (1.39 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

49.8°F

warmest to coldest month

Heating need

7,929

HDD/yr

Cooling need

108

CDD/yr

Best time to visit Grayling

Full guide →

Climate change signal

All-time records →

31 of 366 (8.5%) of Grayling'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		41
1900s		23
1910s		19
1920s		26
1930s		48
1940s		24
1950s		32
1960s		19
1970s		21
1980s		23
1990s		20
2000s		20
2010s		33
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	26.0°F	9.7°F	17.8°F	1.82 in	25.8 in	19
February	28.7°F	8.7°F	18.7°F	1.39 in	18.9 in	14
March	39.4°F	16.4°F	27.9°F	1.68 in	10.8 in	12
April	52.8°F	28.8°F	40.8°F	3.39 in	4.2 in	12
May	67.0°F	40.7°F	53.8°F	3.23 in	0.1 in	14
June	76.6°F	50.8°F	63.7°F	3.64 in	—	13
July	80.2°F	55.1°F	67.6°F	3.07 in	—	12
August	78.5°F	53.4°F	66.0°F	3.26 in	—	12
September	70.7°F	45.3°F	58.0°F	3.22 in	—	14
October	56.6°F	35.4°F	46.0°F	4.01 in	1.4 in	17
November	42.7°F	26.2°F	34.4°F	2.58 in	6.9 in	16
December	31.5°F	17.7°F	24.6°F	1.95 in	20.2 in	17