October Weather in Hamilton, United States

Last updated: June 24, 2025

In October, the average temperature in Hamilton, United States hovers around 13°C (55°F). Expect a wide range of temperatures, with a minimum as low as -2°C (28°F) and a maximum reaching up to 30°C (87°F). Additionally, be prepared for 110 mm (4.3 in) of precipitation over 13 days, contributing to an average humidity level of 81%.

October Temperature in Hamilton

In October in Hamilton, the average temperature is 13°C (55°F), with maximums reaching 30°C (87°F) and minimums dipping as low as -2°C (28°F). It's a great time for travelers to experience a mix of mild and contrasting weather conditions.

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

The chart illustrates October temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, October typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (28°F).

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

October Precipitation in Hamilton

In Hamilton in October, the total precipitation amount is 110 mm (4.3 in) over the course of 13 days.

October Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, 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 Hamilton, October typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 13 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 Hamilton

In Hamilton in October, humidity is 81%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making strolls outdoors feel heavy and slightly oppressive, which may be less than ideal for travelers looking to explore comfortably.

October Average Humidity in Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, 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 Hamilton is approximately 81%, 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 Hamilton

In Hamilton 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 Hamilton, you can refer to this Hourly UV Index in Hamilton.

Maximum UV Index Levels in Hamilton for October

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

Data source: Hamilton 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 Hamilton Compares to Other Months

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

This table compares monthly weather conditions in Hamilton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	72 mm (2.8 inches)	85%	moderate
February Weather	-2°C (29°F)	75 mm (2.9 inches)	85%	moderate
March Weather	4°C (39°F)	100 mm (3.9 inches)	86%	high
April Weather	9°C (48°F)	102 mm (4.0 inches)	87%	very high
May Weather	16°C (61°F)	136 mm (5.4 inches)	81%	very high
June Weather	22°C (72°F)	124 mm (4.9 inches)	82%	very high
July Weather	24°C (75°F)	116 mm (4.6 inches)	81%	very high
August Weather	22°C (72°F)	101 mm (4.0 inches)	79%	very high
September Weather	19°C (67°F)	65 mm (2.5 inches)	78%	very high
October Weather	13°C (55°F)	110 mm (4.3 inches)	81%	high
November Weather	4°C (40°F)	81 mm (3.2 inches)	89%	moderate
December Weather	1°C (34°F)	60 mm (2.3 inches)	86%	low