Corunna, MI

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

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

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Corunna has an annual average temperature of 47.7°F with about 33.6 inches of precipitation per year. The warmest month is July (average high 83.3°F), and the coldest is January (average low 15.1°F). May is typically the wettest month (3.95 in) and February the driest (1.77 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
48°F
warmest to coldest month
Heating need
6,576
Cooling need
354

Best time to visit Corunna

Full guide →

Climate change signal

All-time records →

98 of 366 (26.8%) of Corunna'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.

2000s
158
2010s
208

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 30.7°F 15.1°F 22.9°F 2.17 in 14
February 33.2°F 15.7°F 24.5°F 1.77 in 11
March 44.5°F 24.4°F 34.4°F 2.12 in 10
April 57.2°F 33.3°F 45.3°F 3.51 in 12
May 70.2°F 44.5°F 57.3°F 3.95 in 13
June 79.1°F 54.6°F 66.9°F 3.22 in 11
July 83.3°F 58.5°F 70.9°F 3.33 in 10
August 80.9°F 57.1°F 69.0°F 3.19 in 10
September 74.5°F 49.9°F 62.2°F 2.80 in 9
October 61.2°F 40.0°F 50.6°F 3.01 in 12
November 48.2°F 30.5°F 39.4°F 2.55 in 11
December 36.3°F 22.0°F 29.2°F 1.98 in 13

Climate twins of Corunna

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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