What is the hottest month in Sleepy Eye?

July is the warmest month in Sleepy Eye, with an average high of 82.2°F.

What is the coldest month in Sleepy Eye?

January is the coldest month in Sleepy Eye, with an average low of 7.0°F.

What month does Sleepy Eye get the most rain?

June is typically the wettest month in Sleepy Eye, with about 5.04 inches of precipitation.

What plant hardiness zone is Sleepy Eye in?

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

Sleepy Eye, MN

Climate overview — based on NOAA 1991-2020 normals from NEW ULM 2 SE, MN US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Sleepy Eye has an annual average temperature of 45.9°F with about 31.1 inches of precipitation per year and 38.3 inches of snow. The warmest month is July (average high 82.2°F), and the coldest is January (average low 7.0°F). June is typically the wettest month (5.04 in) and January the driest (0.67 in). Snow typically falls from October through April.

Pleasant months

3 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

57°F

warmest to coldest month

Heating need

7,338

HDD/yr

Cooling need

474

CDD/yr

Best time to visit Sleepy Eye

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Climate change signal

All-time records →

0 of 366 (0%) of Sleepy Eye'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		17
1900s		31
1910s		22
1920s		34
1930s		98
1940s		31
1950s		21
1960s		23
1970s		17
1980s		34
1990s		16
2000s		19
2010s		3

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	23.5°F	7.0°F	15.3°F	0.67 in	7.8 in	7
February	28.6°F	11.3°F	19.9°F	0.93 in	6.9 in	6
March	41.4°F	23.8°F	32.6°F	1.57 in	6.0 in	8
April	57.1°F	36.0°F	46.6°F	2.94 in	1.5 in	9
May	69.3°F	48.5°F	58.9°F	4.07 in	0.1 in	12
June	78.8°F	58.8°F	68.8°F	5.04 in	—	12
July	82.2°F	62.5°F	72.3°F	4.07 in	—	9
August	79.8°F	59.6°F	69.7°F	3.66 in	—	9
September	73.4°F	52.0°F	62.7°F	3.31 in	—	8
October	59.6°F	39.1°F	49.3°F	2.40 in	0.5 in	8
November	42.7°F	25.6°F	34.2°F	1.51 in	6.5 in	6
December	28.5°F	13.3°F	20.9°F	0.90 in	9.0 in	8