August weather forecast
Monroe, MI

Weather in August

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

Temperature

In Monroe, Michigan, the average high-temperature in August is almost the same as in July - a still warm 78.3°F (25.7°C). In August, the average low-temperature is 63°F (17.2°C).

Humidity

In August, the average relative humidity in Monroe is 79%.

Rainfall

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

Snowfall

May through October are months without snowfall.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 76.5°F (24.7°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.5°F (24.7°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In August, the average length of the day is 13h and 49min.
On the first day of August, sunrise is at 6:27 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:09 pm EDT.

Sunshine

The average sunshine in August in Monroe, Michigan, 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 estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the average humidity in August in Monroe?

In August, the average relative humidity is 79%.

What is the rainiest month in Monroe?

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

How many days does it rain in August in Monroe?

In August, in Monroe, the rain falls for 10 days. Throughout August, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Monroe?

May through October are months without snowfall in Monroe, Michigan.

What is the month with the warmest ocean in Monroe?

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

What is the ocean temperature in August in Monroe?

In Monroe, the average seawater temperature in August is 76.5°F (24.7°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.5°F (24.7°C) water may be enjoyable.

How many hours of daylight does Monroe have in August?

The average day length in August is 13h and 49min.

When are sunrise and sunset in August in Monroe?

In August, on the first day of the month, sunrise is at 6:27 am and sunset at 8:52 pm. On the last day of the month, in Monroe, sunrise is at 6:58 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Monroe have in August?

The average sunshine duration in August in Monroe is 10.1h.

When is 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.

How high is the UV index in August in Monroe?

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

Average temperature in August
Monroe, MI

Average temperature in August - Monroe, MI
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

[Resources]

Average pressure in August
Monroe, MI

Average pressure in August - Monroe, MI
  • Average pressure in August: 29.98"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

[Resources]

Average wind speed in August
Monroe, MI

Average wind speed in August - Monroe, MI
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

[Resources]

Average humidity in August
Monroe, MI

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

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

[Resources]

Average rainfall in August
Monroe, MI

Average rainfall in August - Monroe, MI
  • Average rainfall in August: 1.06"

The wettest months (with the highest rainfall) are May, June and August (1.06").
The driest month (with the least rainfall) is September (0.39").

[Resources]

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).

[Resources]

Average snowfall in August
Monroe, MI

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

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

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).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average sea temperature in August
Monroe, MI

Average sea temperature in August - Monroe, MI
  • Average sea temperature in August: 76.4°F

The best month for swimming (with the highest average sea temperature) is August (76.4°F).
The coldest month (with the lowest average sea temperature) is February (32.6°F).

[Resources]

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

Average daylight in August / Average sunshine in August - Monroe, MI
  • Average daylight in August: 13h and 49min

The month with the longest days is June (Average daylight: 15h and 11min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • 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).

[Resources]

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).

[Resources]

Average UV index in August
Monroe, MI

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

The 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).

[Resources]

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).

[Resources]

Average visibility in August
Monroe, MI

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

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location