October Weather in Rochester, United States

Last updated: June 24, 2025

In October, the average temperature in Rochester, United States hovers around 9°C (48°F), creating a cool atmosphere for visitors. Temperatures can swing from a chilly -9°C (16°F) at their lowest to a warm 29°C (85°F) at their peak. Be prepared for 110 mm (4.3 in) of precipitation spread over 12 days, and keep in mind that the average humidity sits at a high 80%, making the air feel quite damp.

October Temperature in Rochester

In October, in Rochester, the average temperature is 9°C (48°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack layers for their trip.

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

The chart illustrates October temperature patterns in Rochester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rochester, October typically has an average temperature of 9°C (48°F), with highs reaching up to 29°C (85°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in Rochester

In Rochester in October, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.

October Precipitation Trends in Rochester

The chart displays monthly precipitation patterns in Rochester, 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 Rochester, October typically receives around 110 mm (4.3 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 Rochester

In Rochester in October humidity is 80%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel quite uncomfortable.

October Average Humidity in Rochester

This chart illustrates the average monthly humidity levels in Rochester, 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 Rochester is approximately 80%, 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 Rochester

In Rochester 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 Rochester.

Maximum UV Index Levels in Rochester for October

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

Data source: Rochester 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 Rochester Compares to Other Months

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

This table compares monthly weather conditions in Rochester, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (17°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.8 inches)	84%	moderate
March Weather	1°C (34°F)	59 mm (2.3 inches)	80%	moderate
April Weather	6°C (44°F)	88 mm (3.4 inches)	81%	very high
May Weather	15°C (59°F)	143 mm (5.6 inches)	74%	very high
June Weather	21°C (71°F)	135 mm (5.3 inches)	80%	very high
July Weather	23°C (74°F)	99 mm (3.9 inches)	80%	very high
August Weather	21°C (70°F)	118 mm (4.6 inches)	77%	very high
September Weather	18°C (64°F)	122 mm (4.8 inches)	75%	very high
October Weather	9°C (48°F)	110 mm (4.3 inches)	80%	moderate
November Weather	1°C (34°F)	47 mm (1.8 inches)	87%	moderate
December Weather	-4°C (25°F)	42 mm (1.6 inches)	83%	low