October Weather in Port Byron, United States

Last updated: June 24, 2025

In October, the average temperature in Port Byron, United States hovers around 12°C (55°F), providing a mild climate. Expect temperatures to range from a chilly -5°C (24°F) to a warm 31°C (88°F). With 120 mm (4.7 in) of precipitation spread over 12 days, it's important to be prepared for occasional rain. On the plus side, the average humidity is a comfortable 78%, making for a pleasant atmosphere overall.

October Temperature in Port Byron

In October in Port Byron, the average temperature is 12°C (55°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -5°C (24°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates October temperature patterns in Port Byron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Byron, October typically has an average temperature of 12°C (55°F), with highs reaching up to 31°C (88°F) and lows dropping to around -5°C (24°F).

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

October Precipitation in Port Byron

In Port Byron in October, the precipitation amount is 120 mm (4.7 in) over a period of 12 days.

October Precipitation Trends in Port Byron

The chart displays monthly precipitation patterns in Port Byron, 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 Byron, October typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 12 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 Port Byron

In Port Byron in October humidity is 78%. With average temperature 12°C (55°F), this humidity feels like a damp chill that wraps around you, making outdoor activities less enjoyable and travel a bit uncomfortable unless you're layered appropriately.

October Average Humidity in Port Byron

This chart illustrates the average monthly humidity levels in Port Byron, 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 Byron is approximately 78%, 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 Port Byron

In Port Byron in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Port Byron, you can refer to this Hourly UV Index in Port Byron.

Maximum UV Index Levels in Port Byron for October

The chart shows the monthly maximum UV Index (UVI) for Port Byron 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 Byron typically reaches 6, which falls under the high exposure category.

Data source: Port Byron 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 Byron Compares to Other Months

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

This table compares monthly weather conditions in Port Byron, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	55 mm (2.2 inches)	81%	moderate
February Weather	-3°C (27°F)	59 mm (2.3 inches)	81%	moderate
March Weather	5°C (40°F)	93 mm (3.6 inches)	81%	high
April Weather	10°C (50°F)	109 mm (4.3 inches)	82%	very high
May Weather	17°C (63°F)	149 mm (5.9 inches)	78%	very high
June Weather	23°C (74°F)	137 mm (5.4 inches)	81%	extreme
July Weather	25°C (77°F)	88 mm (3.5 inches)	79%	very high
August Weather	23°C (74°F)	73 mm (2.9 inches)	77%	very high
September Weather	20°C (69°F)	107 mm (4.2 inches)	78%	very high
October Weather	12°C (55°F)	120 mm (4.7 inches)	78%	high
November Weather	4°C (39°F)	50 mm (2.0 inches)	87%	moderate
December Weather	0°C (33°F)	49 mm (1.9 inches)	84%	low