August weather forecast
Howell, MI

Weather in August

August, the last month of the summer in Howell, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 77.5°F (25.3°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 77.5°F (25.3°C). The average low-temperature, in August, is 59.5°F (15.3°C).

Humidity

The average relative humidity in August is 80%.

Rainfall

In August, in Howell, the rain falls for 14.1 days. Throughout August, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Howell, there are 148.5 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Howell.

Daylight

In Howell, the average length of the day in August is 13h and 52min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:56 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:12 pm EDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

The months with the highest UV index in Howell are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in August in Howell?

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

How many days does it rain in August in Howell?

In Howell, during August, the rain falls for 14.1 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Howell?

June through September are months without snowfall in Howell, Michigan.

How many hours of daylight does Howell have in August?

In Howell, the average day length in August is 13h and 52min.

What time are sunrise and sunset in August in Howell?

In August, on the first day of the month, sunrise is at 6:27 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:12 pm EDT.

How many hours of sunshine does Howell have in August?

The average sunshine duration in August is 9.7h.

When is the highest UV index in Howell?

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

What is the UV index reading in August in Howell?

In August, the average daily maximum UV index in Howell is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Average temperature in August
Howell, MI

Average temperature in August - Howell, MI
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in August
Howell, MI

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

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

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Average wind speed in August
Howell, MI

Average wind speed in August - Howell, 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 month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in August
Howell, MI

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

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in August
Howell, MI

Average rainfall in August - Howell, MI
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is December (1.3").

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Average rainfall days in August
Howell, MI

Average rainfall days in August - Howell, MI
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in August
Howell, MI

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

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Howell, MI

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

The month with the highest number of snowfall days is January (16 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
Howell, MI

Average daylight in August / Average sunshine in August - Howell, MI
  • Average daylight in August: 13h and 52min

The month with the longest days is June (Average daylight: 15h and 16min).
The month with the shortest days is December (Average daylight: 9h and 7min).

  • Average sunshine in August: 9.7h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 2.8h).

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Average sunshine days in August
Howell, MI

Average sunshine days in August - Howell, MI
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (9.9 days).

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Average UV index in August
Howell, MI

Average UV index in August - Howell, 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
Howell, MI

Average cloud cover in August - Howell, 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 31).

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Average visibility in August
Howell, MI

Average visibility in August - Howell, 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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