October weather forecast
Port Sanilac, MI

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Weather in October

October, the same as September, in Port Sanilac, Michigan, is a moderate autumn month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 48°F (8.9°C).

Temperature

The transition into October involves a decrease in the average high-temperature, falling from a comfortable 67.5°F (19.7°C) in September to a moderate 56.3°F (13.5°C). Nights in October exhibit a minor reduction to an average low temperature of 48°F (8.9°C).

Humidity

The months with the lowest humidity in Port Sanilac are September through November, with an average relative humidity of 78%.

Rainfall

In October, in Port Sanilac, the rain falls for 14.7 days. Throughout October, 1.65" (42mm) of precipitation is accumulated. In Port Sanilac, during the entire year, the rain falls for 131.4 days and collects up to 16.69" (424mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Port Sanilac, during the entire year, snow falls for 53.4 days and aggregates up to 6.81" (173mm) of snow.

Daylight

In October, the average length of the day is 11h and 1min.
On the first day of the month, sunrise is at 7:28 am and sunset at 7:10 pm. On the last day of October, sunrise is at 8:05 am and sunset at 6:22 pm EDT.

Sunshine

In Port Sanilac, Michigan, the average sunshine in October is 5.1h.

UV index

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In October, the UV index of 2 transforms into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Port Sanilac?

October temperatures in Port Sanilac, Michigan, vary between a high-temperature of 56.3°F (13.5°C) and a low-temperature of 48°F (8.9°C).

What are the least humid months in Port Sanilac?

September through November, with an average relative humidity of 78%, are the least humid months in Port Sanilac, Michigan.

What is the average humidity in October in Port Sanilac?

The average relative humidity in October in Port Sanilac, Michigan, is 78%.

How much does it rain in Port Sanilac in October?

In Port Sanilac, in October, it is raining for 14.7 days, with typically 1.65" (42mm) of accumulated precipitation.

When does it start to snow in Port Sanilac?

October is the first month it typically snows in Port Sanilac. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Port Sanilac have in October?

In October, the average day length in Port Sanilac, Michigan, is 11h and 1min.

When are sunrise and sunset in October in Port Sanilac?

On the first day of October in Port Sanilac, sunrise is at 7:28 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 6:22 pm EDT.

How many hours of sunshine does Port Sanilac have in October?

The average sunshine duration in October in Port Sanilac is 5.1h.

What is the UV index intensity in October in Port Sanilac?

The average daily maximum UV index in October in Port Sanilac, Michigan, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Port Sanilac, MI

Average temperature in October - Port Sanilac, MI
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 48°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in October
Port Sanilac, MI

Average pressure in October - Port Sanilac, MI
  • Average pressure in October: 29.99"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).

Average wind speed in October
Port Sanilac, MI

Average wind speed in October - Port Sanilac, MI
  • Average wind speed in October: 12.9mph

The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in October
Port Sanilac, MI

Average humidity in October - Port Sanilac, MI
  • Average humidity in October: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are September, October and November (78%).

Average rainfall in October
Port Sanilac, MI

Average rainfall in October - Port Sanilac, MI
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in October
Port Sanilac, MI

Average rainfall days in October - Port Sanilac, MI
  • Average rainfall days in October: 14.7 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in October
Port Sanilac, MI

Average snowfall in October - Port Sanilac, MI
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Port Sanilac, MI

Average snowfall days in October - Port Sanilac, MI
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Port Sanilac, MI

Average daylight in October / Average sunshine in October - Port Sanilac, MI
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in October
Port Sanilac, MI

Average sunshine days in October - Port Sanilac, MI
  • Average sunshine days in October: 13.3 days

The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in October
Port Sanilac, MI

Average UV index in October - Port Sanilac, MI
  • Average UV index in October: 2

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

Average cloud cover in October
Port Sanilac, MI

Average cloud cover in October - Port Sanilac, MI
  • Average cloud cover in October: 48

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in October
Port Sanilac, MI

Average visibility in October - Port Sanilac, MI
  • Average visibility in October: 6mi

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

Port Sanilac, Michigan, USA

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