August weather forecast
DeWitt, MI

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Weather in August

The last month of the summer, August, is another warm month in DeWitt, Michigan, with an average temperature fluctuating between 59.5°F (15.3°C) and 77.7°F (25.4°C).

Temperature

With the onset of August, the average high-temperature stands at a still warm 77.7°F (25.4°C), closely aligned with July's 79.3°F (26.3°C). The temperature in DeWitt dips to an average of 59.5°F (15.3°C) during August nights.

Humidity

In DeWitt, the average relative humidity in August is 80%.

Rainfall

In DeWitt, Michigan, during August, the rain falls for 13.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 144.6 rainfall days, and 24.09" (612mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in DeWitt.

Daylight

In DeWitt, the average length of the day in August is 13h and 53min.
On the first day of August, sunrise is at 6:30 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:14 pm EDT.

Sunshine

In DeWitt, the average sunshine in August is 9.7h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What are August temperatures in DeWitt?

In DeWitt, 77.7°F (25.4°C) is the average high-temperature and 59.5°F (15.3°C) is the average low-temperature during August.

What is the average humidity in August in DeWitt?

In DeWitt, the average relative humidity in August is 80%.

How many days does it rain in August in DeWitt?

In DeWitt, Michigan, during August, the rain falls for 13.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in DeWitt?

June through September are months without snowfall.

How many hours of daylight does DeWitt have in August?

In DeWitt, Michigan, the average day length in August is 13h and 53min.

What time are sunrise and sunset in August in DeWitt?

In August, on the first day of the month, sunrise is at 6:30 am and sunset at 8:58 pm. On the last day of the month, in DeWitt, Michigan, sunrise is at 7:02 am and sunset at 8:14 pm EDT.

How long on average sun shines in August in DeWitt?

In DeWitt, the average sunshine duration in August is 9.7h.

When is the highest UV index in DeWitt?

May through August, with an average maximum UV index of 5, are months with the highest UV index in DeWitt.

How high is the UV index in August in DeWitt?

In August, the average daily maximum UV index in DeWitt is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
DeWitt, MI

Average temperature in August - DeWitt, MI
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in August
DeWitt, MI

Average pressure in August - DeWitt, MI
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
DeWitt, MI

Average wind speed in August - DeWitt, MI
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in August
DeWitt, MI

Average humidity in August - DeWitt, MI
  • Average humidity in August: 80%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in August
DeWitt, MI

Average rainfall in August - DeWitt, MI
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days in August
DeWitt, MI

Average rainfall days in August - DeWitt, MI
  • Average rainfall days in August: 13.3 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in August
DeWitt, MI

Average snowfall in August - DeWitt, MI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
DeWitt, MI

Average snowfall days in August - DeWitt, MI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
DeWitt, MI

Average daylight in August / Average sunshine in August - DeWitt, MI
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in August
DeWitt, MI

Average sunshine days in August - DeWitt, MI
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (10.3 days).

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Average UV index in August
DeWitt, MI

Average UV index in August - DeWitt, MI
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
DeWitt, MI

Average cloud cover in August - DeWitt, MI
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
DeWitt, MI

Average visibility in August - DeWitt, MI
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).

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DeWitt, Michigan, USA

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