August weather forecast and climate
Monroe, MI

Weather in August

The last month of the summer, August, is also a moderately hot month in Monroe, Michigan, with average temperature varying between 78.3°F (25.7°C) and 63°F (17.2°C).

Temperature

In Monroe, the average high-temperature is practically the same as in July - a still moderately hot 78.3°F (25.7°C). The average low-temperature, in Monroe, is 63°F (17.2°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

Months with the most rainfall are May, June and August, with an average 1.06" (27mm) of precipitation.

Snowfall

In Monroe snow does not fall in May through October.

Ocean temperature

With an average ocean temperature of 76.5°F (24.7°C), August is the month with the warmest seawater.
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.5°F (24.7°C).

Daylight

The average length of the day in Monroe is 13.8h.

Sunshine

The average sunshine in August is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Monroe. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the average humidity in August in Monroe?

The average relative humidity in August is 79%.

What is the wettest month in Monroe?

The wettest months in Monroe are May, June and August, with an average 1.06" (27mm) of rainfall.

How many days does it rain in August in Monroe?

In Monroe, in August, it is raining for 10 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Monroe?

May through October are months without snowfall.

What is the month with the warmest ocean in Monroe?

August is the month with the warmest seawater in Monroe, Michigan, with an average ocean temperature of 76.5°F (24.7°C).

How warm is the water in August in Monroe?

In Monroe, in August, the average water temperature is 76.5°F (24.7°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.5°F (24.7°C) water.

What is the average length of the day in August in Monroe?

In August, the average length of the day in Monroe, Michigan, is 13.8h.

How many hours of sunshine does Monroe have in August?

The average sunshine in August is 10.1h.

What are the months with the highest UV index in Monroe?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Monroe, Michigan.

What is the UV index reading in August in Monroe?

In August, the average daily maximum UV index in Monroe is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in August
Monroe, MI

Average temperature in August - Monroe, MI
  • Average high temperature in August: 25.7°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in August: 17.2°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

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Average pressure in August
Monroe, MI

Average pressure in August - Monroe, MI
  • Average pressure in August: 1015.2mbar

The month with the highest atmospheric pressure is November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed in August
Monroe, MI

Average wind speed in August - Monroe, MI
  • Average wind speed in August: 10.8km/h

The windiest month (with the highest average wind speed) is January (16.7km/h).
The calmest month (with the lowest average wind speed) is July (10.7km/h).

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Average humidity in August
Monroe, MI

Average humidity in August - Monroe, MI
  • Average humidity in August: 79%

Months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Monroe, MI

Average rainfall in August - Monroe, MI
  • Average rainfall in August: 27mm

The wettest months (with the highest rainfall) are May, June and August (27mm).
The driest month (with the least rainfall) is September (10mm).

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Average rainfall days in August
Monroe, MI

Average rainfall days in August - Monroe, MI
  • Average rainfall days in August: 10 days

The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in August
Monroe, MI

Average snowfall in August - Monroe, MI
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (26mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in August
Monroe, MI

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

The month with the highest number of snowfall days is January (9.7 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in August
Monroe, MI

Average sea temperature in August - Monroe, MI
  • Average sea temperature in August: 24.7°C

The best month for swimming (with the highest average sea temperature) is August (24.7°C).
The coldest month (with the lowest average sea temperature) is February (0.3°C).

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

Average daylight in August / Average sunshine in August - Monroe, MI
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in August: 10.1h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in August
Monroe, MI

Average sunshine days in August - Monroe, MI
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).

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Average UV index in August
Monroe, MI

Average UV index in August - Monroe, MI
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Monroe, MI

Average cloud cover in August - Monroe, MI
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
Monroe, MI

Average visibility in August - Monroe, MI
  • Average visibility in August: 9km

The month with the highest visibility is October (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).

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