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October Weather in Port Sanilac, United States

Last updated: June 24, 2025

The average temperature in Port Sanilac, United States during October is a mild 12°C (55°F), with minimums dropping to 3°C (38°F) and maximums reaching 21°C (71°F). Be prepared for a wet season, as the area experiences about 136 mm (5.3 in) of precipitation over 16 days, contributing to an average humidity of 84%.

October Temperature in Port Sanilac

In October in Port Sanilac, the average temperature is 12°C (55°F), with maximums reaching up to 21°C (71°F) and minimums dropping as low as 3°C (38°F). It's a great time for travelers looking to enjoy mild weather while exploring the local sights.

October Weather in Port Sanilac: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Port Sanilac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Sanilac, October typically has an average temperature of 12°C (55°F), with highs reaching up to 21°C (71°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec282732374557687065544134
Data source: Temperature data for Port Sanilac generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Port Sanilac

In Port Sanilac in October, the precipitation amount is 136 mm (5.3 in) distributed over 16 days.

October Precipitation Trends in Port Sanilac

The chart displays monthly precipitation patterns in Port Sanilac, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Port Sanilac, October typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec888779113100777182891369979
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Port Sanilac

In Port Sanilac in October, humidity is 84%. With an average temperature of 12°C (55°F), this humidity feels like a thick blanket wrapping around you, making it a challenge for traveling as you might feel sticky and uncomfortable while exploring the sights.

October Average Humidity in Port Sanilac

This chart illustrates the average monthly humidity levels in Port Sanilac, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Port Sanilac is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Port Sanilac

In Port Sanilac in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Port Sanilac.

Maximum UV Index Levels in Port Sanilac for October

The chart shows the monthly maximum UV Index (UVI) for Port Sanilac in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Port Sanilac typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Port Sanilac October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Port Sanilac Compares to Other Months

Weather in Port Sanilac varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Port Sanilac, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Port Sanilac, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)88 mm (3.5 inches)88%low
February Weather-3°C (27°F)87 mm (3.4 inches)87%moderate
March Weather0°C (32°F)79 mm (3.1 inches)85%moderate
April Weather3°C (38°F)113 mm (4.4 inches)86%very high
May Weather7°C (45°F)100 mm (3.9 inches)80%very high
June Weather14°C (58°F)77 mm (3.0 inches)80%very high
July Weather20°C (68°F)71 mm (2.8 inches)80%very high
August Weather21°C (70°F)82 mm (3.2 inches)80%very high
September Weather18°C (65°F)89 mm (3.5 inches)80%high
October Weather12°C (55°F)136 mm (5.3 inches)84%moderate
November Weather5°C (41°F)99 mm (3.9 inches)89%moderate
December Weather1°C (34°F)79 mm (3.1 inches)86%low

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