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 »
  With an average ocean temperature of 75.4°F (24.1°C), August is the month with the warmest seawater in Detroit. 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, in August, during 9.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Grand Rapids, in August, during 9.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.
• Warren - August »
  The months with the lowest humidity in Warren are July and August, with an average relative humidity of 71%. In Warren, in August, during 12.7 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.
• Sterling Heights - August »
  The months with the lowest humidity in Sterling Heights are July and August, with an average relative humidity of 73%. July and August, with an average relative humidity of 73%, are the least humid months in Sterling Heights.
• Lansing - August »
  In Lansing, during August, the rain falls for 13.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. In August, in Lansing the rain falls for 13.3 days.
• Ann Arbor - August »
  The months with the highest UV index in Ann Arbor are June through August, with an average maximum UV index of 6. In Ann Arbor, in August, it is raining for 15.4 days, with typically 2.05" (52mm) of accumulated precipitation.
• Flint - August »
  In Flint during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. On the last day of August, in Flint, sunrise is at 6:58 am and sunset at 8:10 pm EDT.
• Dearborn - August »
  On the first day of August in Dearborn, Michigan, sunrise is at 6:26 am and sunset at 8:51 pm. July and August, with an average relative humidity of 73%, are the least humid months in Dearborn.
• Livonia - August »
  April, May, July, August and October, with an average relative humidity of 75%, are the least humid months in Livonia. The months with the lowest humidity in Livonia are April, May, July, August and October, with an average relative humidity of 75%.
• Canton - August »
  In Canton, Michigan, during August, the rain falls for 14.6 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Canton in August, during 14.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.
• Westland - August »
  In Westland in August, it is raining for 14.6 days, with typically 1.85" (47mm) of accumulated precipitation. June through August, with an average maximum UV index of 6, are months with the highest UV index in Westland, Michigan.
• Troy - August »
  April, July and August, with an average relative humidity of 74%, are the least humid months in Troy. In Troy, during August, the rain falls for 13.8 days and regularly aggregates up to 1.57" (40mm) of precipitation.