August weather forecast
Munising, MI

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Weather in August

August, the last month of the summer in Munising, is a pleasant month, with an average temperature ranging between max 69.1°F (20.6°C) and min 57.7°F (14.3°C).

Temperature

The average temperatures reach their apex in August, averaging 69.1°F (20.6°C) at the high end and 57.7°F (14.3°C) at the low end.

Humidity

The average relative humidity in August is 81%.

Rainfall

In Munising, during August, the rain falls for 12.8 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 122.5 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

Snowfall

In Munising, snow does not fall in June through September.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 64.2°F (17.9°C).
Note: Swimming in 64.2°F (17.9°C) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 69.8°F (21°C).

Daylight

In August, the average length of the day is 14h and 7min.
On the first day of August in Munising, Michigan, sunrise is at 6:28 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:26 pm EDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in August translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

In Munising, August is the warmest month, with temperatures averaging a high of 69.1°F (20.6°C) and a low of 57.7°F (14.3°C).

What is the usual temperature for Munising in August?

The high-temperature, in August, in Munising, records 69.1°F (20.6°C), while the low-temperature is 57.7°F (14.3°C).

What is the average humidity in August?

In August, the average relative humidity is 81%.

How many days does it rain in August?

In Munising, during August, the rain falls for 12.8 days and regularly aggregates up to 1.81" (46mm) of precipitation.

When it does not snow?

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

What month is the ocean warmest?

August is the month with the warmest seawater, with an average ocean temperature of 64.2°F (17.9°C).

What is the ocean temperature in August?

In Munising, in August, the average water temperature is 64.2°F (17.9°C). For swimming, a surface water temperature of 64.2°F (17.9°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Munising have in August?

In August, the average day length is 14h and 7min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:28 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:26 pm EDT.

How long on average sun shines in August?

In Munising, the average sunshine duration in August is 9.4h.

What are the months with the highest UV index?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Munising.

What is the UV index reading in August?

In Munising, Michigan, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Munising, MI

Average temperature in August - Munising, MI
  • Average high temperature in August: 69.1°F

The warmest month (with the highest average high temperature) is August (69.1°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).

Average pressure in August
Munising, MI

Average pressure in August - Munising, MI
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in August
Munising, MI

Average wind speed in August - Munising, MI
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in August
Munising, MI

Average humidity in August - Munising, MI
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).

Average rainfall in August
Munising, MI

Average rainfall in August - Munising, MI
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is October (2.56").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in August
Munising, MI

Average rainfall days in August - Munising, MI
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in August
Munising, MI

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

The month with the highest snowfall is December (6.14").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Munising, MI

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

The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in August
Munising, MI

Average sea temperature in August - Munising, MI
  • Average sea temperature in August: 64.3°F

The best month for swimming (with the highest average sea temperature) is August (64.3°F).
The coldest months (with the lowest average sea temperature) are February and March (33.8°F).

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

Average daylight in August / Average sunshine in August - Munising, MI
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

Average sunshine days in August
Munising, MI

Average sunshine days in August - Munising, MI
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is January (6.4 days).

Average UV index in August
Munising, MI

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

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

Average cloud cover in August
Munising, MI

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

The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in August
Munising, MI

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

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

Munising, Michigan, USA

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