October Weather in Alpena, United States

Last updated: June 24, 2025

In October, the average temperature in Alpena, United States hovers around 10°C (50°F). Temperatures can dip to a chilly -2°C (29°F) at their lowest, while the mercury can rise to a pleasant 25°C (77°F) at its peak. Expect precipitation of about 108 mm (4.3 in) spread over 15 days, accompanied by a high average humidity of 85%. Stay prepared for a mix of weather!

October Temperature in Alpena

In October in Alpena, the average temperature is 10°C (50°F). The maximum can reach 25°C (77°F), while the minimum can drop as low as -2°C (29°F). Be prepared for a range of weather conditions when traveling to Alpena during this time.

October Weather in Alpena: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Alpena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alpena, October typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -2°C (29°F).

Data source: Temperature data for Alpena generated using information from the Copernicus Climate Change Service.

October Precipitation in Alpena

In Alpena in October, the precipitation amount is 108 mm (4.3 in) over the course of 15 days.

October Precipitation Trends in Alpena

The chart displays monthly precipitation patterns in Alpena, 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 Alpena, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Alpena

In Alpena in October, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

October Average Humidity in Alpena

This chart illustrates the average monthly humidity levels in Alpena, 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 Alpena is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Alpena

In Alpena 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 Alpena.

Maximum UV Index Levels in Alpena for October

The chart shows the monthly maximum UV Index (UVI) for Alpena 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 Alpena typically reaches 5, which falls under the moderate exposure category.

Data source: Alpena 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 Alpena Compares to Other Months

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

This table compares monthly weather conditions in Alpena, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	52 mm (2.0 inches)	92%	low
February Weather	-5°C (23°F)	56 mm (2.2 inches)	91%	moderate
March Weather	-1°C (31°F)	61 mm (2.4 inches)	87%	moderate
April Weather	4°C (39°F)	94 mm (3.7 inches)	85%	high
May Weather	10°C (51°F)	84 mm (3.3 inches)	79%	very high
June Weather	16°C (61°F)	91 mm (3.6 inches)	75%	very high
July Weather	20°C (69°F)	86 mm (3.4 inches)	75%	very high
August Weather	20°C (68°F)	84 mm (3.3 inches)	75%	very high
September Weather	16°C (61°F)	77 mm (3.0 inches)	79%	high
October Weather	10°C (50°F)	108 mm (4.3 inches)	85%	moderate
November Weather	3°C (37°F)	67 mm (2.6 inches)	88%	moderate
December Weather	-2°C (29°F)	62 mm (2.4 inches)	89%	low