What is the hottest month in Lake Ann?

July is the warmest month in Lake Ann, with an average high of 79.9°F.

What is the coldest month in Lake Ann?

February is the coldest month in Lake Ann, with an average low of 15.7°F.

What month does Lake Ann get the most rain?

October is typically the wettest month in Lake Ann, with about 4.46 inches of precipitation.

What plant hardiness zone is Lake Ann in?

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

Has the climate in Lake Ann changed recently?

16.7% of Lake Ann'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.

Lake Ann, MI

Climate overview — based on NOAA 1991-2020 normals from MAPLE CITY 1E, MI US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Lake Ann has an annual average temperature of 45.7°F with about 35.7 inches of precipitation per year and 143.3 inches of snow. The warmest month is July (average high 79.9°F), and the coldest is February (average low 15.7°F). October is typically the wettest month (4.46 in) and February the driest (1.89 in). Snow typically falls from October through May.

Pleasant months

4 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

46.3°F

warmest to coldest month

Heating need

7,137

HDD/yr

Cooling need

186

CDD/yr

Best time to visit Lake Ann

Full guide →

Climate change signal

All-time records →

61 of 366 (16.7%) of Lake Ann'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.

1950s		6
1960s		48
1970s		43
1980s		71
1990s		52
2000s		56
2010s		49
2020s		41

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	28.7°F	15.9°F	22.3°F	2.76 in	44.5 in	19
February	31.0°F	15.7°F	23.3°F	1.89 in	27.5 in	13
March	40.8°F	21.6°F	31.2°F	1.97 in	14.3 in	10
April	52.9°F	31.1°F	42.0°F	2.92 in	6.4 in	10
May	66.8°F	41.7°F	54.2°F	3.09 in	0.2 in	11
June	75.6°F	51.5°F	63.6°F	2.94 in	—	9
July	79.9°F	57.4°F	68.6°F	2.71 in	—	9
August	78.3°F	57.0°F	67.6°F	2.94 in	—	8
September	71.0°F	50.1°F	60.6°F	4.08 in	—	11
October	58.3°F	40.0°F	49.2°F	4.46 in	0.5 in	13
November	44.7°F	30.3°F	37.5°F	3.24 in	13.9 in	15
December	34.1°F	22.2°F	28.2°F	2.67 in	36.0 in	16