August weather forecast
Saint Ignace, MI

Weather in August

August, the last month of the summer, in Saint Ignace, is another pleasant month, with average temperature fluctuating between 71.1°F (21.7°C) and 58.6°F (14.8°C).

Temperature

In Saint Ignace, the average high-temperature in August is almost the same as in July - a still agreeable 71.1°F (21.7°C). In Saint Ignace, the average low-temperature is 58.6°F (14.8°C).

Humidity

In Saint Ignace, Michigan, the average relative humidity is 79%.

Rainfall

In Saint Ignace, during August, the rain falls for 13.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Saint Ignace, during the entire year, the rain falls for 131 days and collects up to 21.22" (539mm) of precipitation.

Snowfall

June through September are months without snowfall in Saint Ignace.

Ocean temperature

With an average ocean temperature of 68.5°F (20.3°C), August is the month with the warmest seawater.
Note: Swimming in 68.5°F (20.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Saint Ignace is 14.1h.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Saint Ignace. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 Saint Ignace?

The average relative humidity in August is 79%.

How much does it rain in Saint Ignace in August?

In Saint Ignace, in August, it is raining for 13.8 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Saint Ignace?

In Saint Ignace, Michigan, snow does not fall in June through September.

What month is the ocean warmest in Saint Ignace?

The month with the warmest seawater in Saint Ignace, Michigan, is August, with an average ocean temperature of 68.5°F (20.3°C).

What is the ocean temperature in August in Saint Ignace?

In Saint Ignace, Michigan, in August, the average water temperature is 68.5°F (20.3°C). For swimming, a surface water temperature of 68.5°F (20.3°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).

What is the average length of the day in August in Saint Ignace?

In August, the average length of the day in Saint Ignace is 14.1h.

How many hours of sunshine does Saint Ignace have in August?

In August, the average sunshine is 9.9h.

What are the months with the highest UV index in Saint Ignace?

Months with the highest UV index in Saint Ignace, Michigan, are June through August, with an average maximum UV index of 5.

How high is the UV index in August in Saint Ignace?

In August, the average daily maximum UV index in Saint Ignace is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in August
Saint Ignace, MI

Average temperature in August - Saint Ignace, MI
  • Average high temperature in August: 71.1°F

The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in August: 58.6°F

The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

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Average pressure in August
Saint Ignace, MI

Average pressure in August - Saint Ignace, MI
  • Average pressure in August: 29.94"

The month with the highest atmospheric pressure is March (30.09").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in August
Saint Ignace, MI

Average wind speed in August - Saint Ignace, MI
  • Average wind speed in August: 8.1mph

The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).

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Average humidity in August
Saint Ignace, MI

Average humidity in August - Saint Ignace, MI
  • Average humidity in August: 79%

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in August
Saint Ignace, MI

Average rainfall in August - Saint Ignace, MI
  • Average rainfall in August: 1.65"

The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").

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Average rainfall days in August
Saint Ignace, MI

Average rainfall days in August - Saint Ignace, MI
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in August
Saint Ignace, MI

Average snowfall in August - Saint Ignace, MI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.91").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Saint Ignace, MI

Average snowfall days in August - Saint Ignace, MI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (21.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
Saint Ignace, MI

Average sea temperature in August - Saint Ignace, MI
  • Average sea temperature in August: 68.6°F

The best month for swimming (with the highest average sea temperature) is August (68.6°F).
The coldest month (with the lowest average sea temperature) is March (33.1°F).

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Average daylight in August /
Average sunshine in August
Saint Ignace, MI

Average daylight in August / Average sunshine in August - Saint Ignace, MI
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in August: 9.9h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 1.9h).

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Average sunshine days in August
Saint Ignace, MI

Average sunshine days in August - Saint Ignace, MI
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).

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Average UV index in August
Saint Ignace, MI

Average UV index in August - Saint Ignace, MI
  • Average UV index in August: 5

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

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Average cloud cover in August
Saint Ignace, MI

Average cloud cover in August - Saint Ignace, MI
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 80).
Months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in August
Saint Ignace, MI

Average visibility in August - Saint Ignace, MI
  • Average visibility in August: 6mi

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

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