October Weather in Palermo, United States

Last updated: June 24, 2025

In October, the average temperature in Palermo, United States hovers around 10°C (51°F). Expect a range where the minimum can drop to -3°C (28°F), while highs may reach up to 25°C (77°F). This month sees about 126 mm (5.0 in) of precipitation spread across 11 days, contributing to an average humidity of 82%. Stay prepared for the mix of mild temperatures and possible rain!

October Temperature in Palermo

In October in Palermo, the average temperature is 10°C (51°F). Maximum temperatures can reach 25°C (77°F) while minimums can dip to as low as -3°C (28°F). Be prepared for a mix of mild and chilly weather, making it a great time for layered clothing and outdoor adventures.

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

The chart illustrates October temperature patterns in Palermo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palermo, October typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (28°F).

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

October Precipitation in Palermo

In Palermo in October, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.

October Precipitation Trends in Palermo

The chart displays monthly precipitation patterns in Palermo, 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 Palermo, October typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Palermo

In Palermo in October humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

October Average Humidity in Palermo

This chart illustrates the average monthly humidity levels in Palermo, 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 Palermo is approximately 82%, 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 Palermo

In Palermo 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 Palermo.

Maximum UV Index Levels in Palermo for October

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

Data source: Palermo 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 Palermo Compares to Other Months

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

This table compares monthly weather conditions in Palermo, 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)	84 mm (3.3 inches)	88%	low
February Weather	-4°C (24°F)	83 mm (3.3 inches)	88%	moderate
March Weather	-1°C (31°F)	72 mm (2.8 inches)	85%	moderate
April Weather	6°C (43°F)	121 mm (4.7 inches)	81%	high
May Weather	12°C (55°F)	85 mm (3.4 inches)	76%	very high
June Weather	18°C (65°F)	70 mm (2.8 inches)	74%	very high
July Weather	21°C (70°F)	113 mm (4.4 inches)	74%	very high
August Weather	21°C (70°F)	79 mm (3.1 inches)	74%	very high
September Weather	17°C (62°F)	73 mm (2.9 inches)	77%	high
October Weather	10°C (51°F)	126 mm (5.0 inches)	82%	moderate
November Weather	3°C (37°F)	110 mm (4.3 inches)	85%	moderate
December Weather	-3°C (27°F)	113 mm (4.5 inches)	84%	low