August weather forecast
Port Huron, MI

The iconic Blue Water Bridge in Port Huron, Michigan, at night
The iconic Blue Water Bridge in Port Huron, Michigan, at night

Weather in August

August, the last month of the summer in Port Huron, is another warm month, with temperature in the range of an average low of 61°F (16.1°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 warm 77.5°F (25.3°C). In Port Huron, in August, the average low-temperature is 61°F (16.1°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Port Huron, in August, during 13.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Port Huron, during the entire year, the rain falls for 140.4 days and collects up to 19.41" (493mm) of precipitation.

Snowfall

In Port Huron, snow does not fall in June through September.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 73.8°F (23.2°C).
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 73.8°F (23.2°C).

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:51 pm. On the last day of August, in Port Huron, sunrise is at 6:53 am and sunset at 8:06 pm EDT.

Sunshine

In August, the average sunshine in Port Huron is 10h.

UV index

The months with the highest UV index in Port Huron are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the 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. 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 reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in August in Port Huron?

The average high-temperature, in August, is 77.5°F (25.3°C), while the average low-temperature is 61°F (16.1°C).

What is the average humidity in August in Port Huron?

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

How much does it rain in Port Huron in August?

In August, the rain falls for 13.8 days. Throughout August, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Port Huron?

In Port Huron, Michigan, snow does not fall in June through September.

What is the month with the warmest ocean in Port Huron?

The month with the warmest seawater in Port Huron, Michigan, is August, with an average ocean temperature of 73.8°F (23.2°C).

How warm is the water in August in Port Huron?

In Port Huron, Michigan, in August, the average water temperature is 73.8°F (23.2°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.8°F (23.2°C) water.

What is the average length of the day in August in Port Huron?

The average day length in August in Port Huron is 13h and 53min.

When is the sunrise / sunset in August in Port Huron?

On the first day of August in Port Huron, sunrise is at 6:20 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:06 pm EDT.

How many hours of sunshine does Port Huron have in August?

In Port Huron, the average sunshine duration in August is 10h.

What are the months with the highest UV index in Port Huron?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in August in Port Huron?

In Port Huron, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Port Huron, MI

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

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in August
Port Huron, MI

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

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

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Average wind speed in August
Port Huron, MI

Average wind speed in August - Port Huron, MI
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in August
Port Huron, MI

Average humidity in August - Port Huron, MI
  • Average humidity in August: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in August
Port Huron, MI

Average rainfall in August - Port Huron, MI
  • Average rainfall in August: 1.89"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (1.1").

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Average rainfall days in August
Port Huron, MI

Average rainfall days in August - Port Huron, MI
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in August
Port Huron, MI

Average snowfall in August - Port Huron, MI
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Port Huron, MI

Average snowfall days in August - Port Huron, MI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in August
Port Huron, MI

Average sea temperature in August - Port Huron, MI
  • Average sea temperature in August: 73.7°F

The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (32.4°F).

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Average daylight in August /
Average sunshine in August
Port Huron, MI

Average daylight in August / Average sunshine in August - Port Huron, MI
  • Average daylight in August: 13h and 53min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in August
Port Huron, MI

Average sunshine days in August - Port Huron, MI
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (11.3 days).

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Average UV index in August
Port Huron, MI

Average UV index in August - Port Huron, MI
  • Average UV index in August: 6

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Port Huron, MI

Average cloud cover in August - Port Huron, MI
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Port Huron, MI

Average visibility in August - Port Huron, 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).

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