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October Weather in South Lyon, United States

Last updated: June 24, 2025

In South Lyon, United States, the average temperature in October is a mild 12°C (54°F). Expect swings in the weather, with minimum temperatures dipping to -3°C (28°F) and highs reaching up to 29°C (84°F). During this month, the region sees around 104 mm (4.1 in) of precipitation spread over 14 days, leading to a relatively high average humidity of 84%.

October Temperature in South Lyon

In October in South Lyon, the average temperature is 12°C (54°F). The maximum can reach 29°C (84°F), and the minimum can be as low as -3°C (28°F). Be prepared for a wide range of temperatures during your travels!

October Weather in South Lyon: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in South Lyon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Lyon, October typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737465969747265533932
Data source: Temperature data for South Lyon 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 South Lyon

In South Lyon in October, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

October Precipitation Trends in South Lyon

The chart displays monthly precipitation patterns in South Lyon, 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 South Lyon, October typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec64667290111989074731047454
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in South Lyon

In South Lyon in October, humidity is 84%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky.

October Average Humidity in South Lyon

This chart illustrates the average monthly humidity levels in South Lyon, 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 South Lyon 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 South Lyon

In South Lyon 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 South Lyon.

Maximum UV Index Levels in South Lyon for October

The chart shows the monthly maximum UV Index (UVI) for South Lyon 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 South Lyon typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: South Lyon 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 South Lyon Compares to Other Months

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

This table compares monthly weather conditions in South Lyon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)63 mm (2.5 inches)88%low
February Weather-3°C (28°F)66 mm (2.6 inches)87%moderate
March Weather3°C (37°F)72 mm (2.8 inches)85%moderate
April Weather8°C (47°F)90 mm (3.6 inches)86%very high
May Weather15°C (60°F)111 mm (4.4 inches)80%very high
June Weather21°C (70°F)98 mm (3.9 inches)80%very high
July Weather23°C (74°F)90 mm (3.5 inches)80%very high
August Weather22°C (72°F)74 mm (2.9 inches)80%very high
September Weather18°C (65°F)73 mm (2.9 inches)80%high
October Weather12°C (54°F)104 mm (4.1 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (32°F)54 mm (2.1 inches)86%low

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