South Haven, MI

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

Dfa Hot-summer humid continental climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

South Haven has an annual average temperature of 50.8°F with about 37.2 inches of precipitation per year. The warmest month is July (average high 80.0°F), and the coldest is January (average low 22.1°F). May is typically the wettest month (3.91 in) and February the driest (2.04 in).

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
45°F
warmest to coldest month
Heating need
5,637
Cooling need
531

Best time to visit South Haven

Full guide →

Climate change signal

All-time records →

4 of 366 (1.1%) of South Haven'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
21
1900s
28
1910s
16
1920s
35
1930s
57
1940s
37
1950s
34
1960s
13
1970s
34
1980s
23
1990s
20
2000s
26
2010s
22

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 33.5°F 22.1°F 27.8°F 2.71 in
February 35.8°F 23.9°F 29.8°F 2.04 in
March 44.8°F 29.9°F 37.4°F 2.25 in
April 56.1°F 39.3°F 47.7°F 3.58 in
May 67.7°F 49.4°F 58.5°F 3.91 in
June 75.9°F 59.6°F 67.8°F 3.73 in
July 80.0°F 65.6°F 72.8°F 3.16 in
August 79.1°F 64.0°F 71.6°F 3.70 in
September 73.7°F 57.2°F 65.5°F 3.19 in
October 62.2°F 47.5°F 54.9°F 3.89 in
November 49.2°F 36.2°F 42.7°F 2.68 in
December 38.6°F 27.9°F 33.3°F 2.38 in

Climate twins of South Haven

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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