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July Weather in Port Sanilac, United States

Last updated: June 24, 2025

In Port Sanilac, United States, the average temperature in July hovers around 20°C (68°F), making it a pleasant time to visit. Expect temperatures to range from a cool 12°C (55°F) to a warm 27°C (80°F). While you're there, be prepared for 71 mm (2.8 in) of precipitation spread over 10 days, and enjoy the refreshing atmosphere with an average humidity of 80%.

July Temperature in Port Sanilac

In July in Port Sanilac, the average temperature is 20°C (68°F). The maximum can reach 27°C (80°F), while the minimum can drop to as low as 12°C (55°F). This makes it an ideal time for traveling, as you can enjoy mild weather with pleasant daytime temperatures and cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (80°F) and lows dropping to around 12°C (55°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.

July Precipitation in Port Sanilac

In Port Sanilac in July, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

July Precipitation Trends in Port Sanilac

The chart displays monthly precipitation patterns in Port Sanilac, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Port Sanilac, July typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec888779113100777182891369979
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Port Sanilac

In Port Sanilac in July, humidity is 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.

July Average Humidity in Port Sanilac

This chart illustrates the average monthly humidity levels in Port Sanilac, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Port Sanilac is approximately 80%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Port Sanilac

In Port Sanilac in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Port Sanilac.

Maximum UV Index Levels in Port Sanilac for July

The chart shows the monthly maximum UV Index (UVI) for Port Sanilac in July, 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 July, the maximum UV index in Port Sanilac typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Port Sanilac July 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 July 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 July’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 July’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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