South Haven (MI) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit South Haven.

Climate overview of South Haven

Temperatures in South Haven, Michigan, United States of America, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while February is the coldest at 0°C (32°F).

The city has a wet climate, receiving around 1029 mm (41 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. August is the wettest month. Sunshine peaks in July, when the city sees around 11.0 hours of sunshine per day.

South Haven Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Haven - and find the best time to visit.

Monthly Temperature in South Haven

The climate in South Haven is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold 0°C (32°F) in February.

Nighttime temperatures range from 18°C (64°F) in July to -7°C (19°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in South Haven

South Haven has a notably wet climate with abundant precipitation, recording 1029 mm (41 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, August, sees around 114 mm (4.5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 59 mm (2.3 in) of snow/rainfall. For more details, please visit our South Haven Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in South Haven

In South Haven, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.9 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Niles, the United States of America (63 KM, 39 Miles).

Daily hours of sunshine

Data from: Niles, the United States of America (63 KM, 39 Miles).

Best Time to Visit South Haven

For comfortable weather, consider visiting South Haven in May, June, July and September. Conditions are usually least favourable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, June, July and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Fewer rainy days: March, June, July, August and September
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: February, with freezing nights around -7°C (19°F).

Frequently asked questions about the climate in South Haven

What is the best time to visit South Haven?

May, June, July and September typically offer the most optimal weather in South Haven. In contrast, January, February, March, November and December tend to have less optimal conditions. South Haven has warm summers and very cold winters.

What temperatures can I expect in South Haven?

Daytime highs range from 0°C (32°F) in February to 26°C (79°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does South Haven get?

Annual rainfall is around 1029 mm (41 in). August is the wettest month with 114 mm (4.5 in), while March is the driest with 59 mm (2.3 in).

How sunny is South Haven?

South Haven receives around 2,609 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 117 hours. Overall, South Haven enjoys abundant sunshine.

South Haven 3-Day Forecast

South Haven (MI) 3-Day Forecast

South Haven on the map

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