August weather forecast
Michigan, USA

August in Michigan presents a continuation of summer warmth, though subtle shifts hint at the encroaching fall season. Daytime temperatures during this month often range from the low 70s°F to upper 70s°F. While the heat remains consistent in the early parts of August, the latter half begins to see slightly cooler nights, particularly in the Upper Peninsula and areas adjacent to Lake Superior.

The Great Lakes, ever influential in Michigan's climate, continue to regulate temperatures. Their vastness induces lake breezes which remain a staple of the summer months, offering periods of refreshing relief, especially near their shores. This climatic interaction ensures that even during the warmest days, residents and visitors can find pockets of comfort.

August witnesses a slight reduction in thunderstorm activity compared to its predecessor, July. While occasional storms still roll across the state, they become less frequent, making way for clearer skies. However, the humidity, fostered by these rains and the extensive water bodies, remains a palpable feature, adding a muggy touch to certain days.

Across the state, cities like Vanderbilt sustain their bustling summer pace. Outdoor activities remain at their peak, though by month's end, there's a discernible shift in the air. The southeastern region of the Lower Peninsula, rich in its natural landscapes, becomes a hotspot for those wanting to catch the early signs of autumn, even as summer lingers.

Transitioning from August to September, Michigan enters a period of metamorphosis. As the state bids farewell to the intense heat, it gradually ushers in the crispness of fall, setting the stage for a vibrant display of colors and a noticeable drop in temperatures in the coming weeks.

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• Detroit - August »
  August is the month with the warmest seawater in Detroit, with an average ocean temperature of 75.4°F (24.1°C). August is a month to enjoy the remaining days of summer, from backyard barbecues with neighbors to strolls along the Detroit Riverwalk.
• Grand Rapids - August »
  In Grand Rapids, during August, the rain falls for 9.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. On the first day of August in Grand Rapids, sunrise is at 6:33 am and sunset at 9:04 pm.
• Warren - August »
  July and August, with an average relative humidity of 71%, are the least humid months in Warren. July and August, with an average maximum UV index of 6, are months with the highest UV index in Warren.
• Sterling Heights - August »
  July and August, with an average relative humidity of 73%, are the least humid months in Sterling Heights, Michigan. In August, in Sterling Heights the rain falls for 15.3 days.
• Lansing - August »
  In Lansing in August, during 13.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. The months with the highest UV index are May through August, with an average maximum UV index of 5.
• Ann Arbor - August »
  In Ann Arbor, Michigan, during August, the rain falls for 15.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Ann Arbor in August, it is raining for 15.4 days, with typically 2.05" (52mm) of accumulated precipitation.
• Flint - August »
  In Flint, in August, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Flint, during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation.
• Dearborn - August »
  The months with the lowest humidity in Dearborn are July and August, with an average relative humidity of 73%. The months with the highest UV index in Dearborn are June through August, with an average maximum UV index of 6.
• Livonia - August »
  April, May, July, August and October, with an average relative humidity of 75%, are the least humid months in Livonia, Michigan. April, May, July, August and October, with an average relative humidity of 75%, are the least humid months in Livonia.
• Canton - August »
  In Canton in August, during 14.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. On the first day of August in Canton, sunrise is at 6:26 am and sunset at 8:53 pm.
• Westland - August »
  In Westland during August, the rain falls for 14.6 days and regularly aggregates up to 1.85" (47mm) of precipitation. On the first day of August in Westland, sunrise is at 6:26 am and sunset at 8:53 pm.
• Troy - August »
  April, July and August, with an average relative humidity of 74%, are the least humid months in Troy, Michigan. The months with the lowest humidity in Troy are April, July and August, with an average relative humidity of 74%.