October Weather in Hamilton, United States

Last updated: June 24, 2025

In Hamilton, United States, the average temperature in October hovers around 20°C (69°F), with a minimum of 2°C (36°F) and a peak reaching 37°C (98°F). Expect about 110 mm (4.3 in) of precipitation over 8 days, contributing to an average humidity of 78%.

October Temperature in Hamilton

In October in Hamilton, the average temperature is 20°C (69°F). The maximum can reach 37°C (98°F), while the minimum can drop as low as 2°C (36°F). Be prepared for a range of temperatures and pack accordingly for your travels!

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 20°C (69°F), with highs reaching up to 37°C (98°F) and lows dropping to around 2°C (36°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 precipitation amount is 110 mm (4.3 in) over a period of 8 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 8 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 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

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 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 Hamilton

In Hamilton in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very 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	9°C (49°F)	114 mm (4.5 inches)	86%	moderate
February Weather	12°C (55°F)	118 mm (4.6 inches)	84%	high
March Weather	15°C (59°F)	92 mm (3.6 inches)	83%	very high
April Weather	18°C (65°F)	106 mm (4.2 inches)	81%	very high
May Weather	22°C (73°F)	105 mm (4.1 inches)	81%	extreme
June Weather	25°C (78°F)	121 mm (4.8 inches)	81%	extreme
July Weather	27°C (80°F)	112 mm (4.4 inches)	83%	extreme
August Weather	26°C (80°F)	126 mm (5.0 inches)	81%	extreme
September Weather	25°C (77°F)	100 mm (3.9 inches)	82%	very high
October Weather	20°C (69°F)	110 mm (4.3 inches)	78%	very high
November Weather	13°C (55°F)	76 mm (3.0 inches)	86%	high
December Weather	10°C (51°F)	132 mm (5.2 inches)	89%	moderate