October Weather in Grafton, United States

Last updated: June 24, 2025

In October in Grafton, United States, the average temperature hovers around 6°C (43°F). Expect a wide range of temperatures, with minimums plummeting to -9°C (16°F) and maximums soaring to 29°C (85°F). With 79 mm (3.1 in) of precipitation spread over 8 days, you can anticipate some wet weather, accompanied by an average humidity of 76%.

October Temperature in Grafton

In October in Grafton, the average temperature is 6°C (43°F). Maximums can reach 29°C (85°F) and minimums can drop as low as -9°C (16°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October temperature patterns in Grafton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grafton, October typically has an average temperature of 6°C (43°F), with highs reaching up to 29°C (85°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in Grafton

In Grafton in October, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

October Precipitation Trends in Grafton

The chart displays monthly precipitation patterns in Grafton, 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 Grafton, October typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 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 Grafton

In Grafton in October, humidity is 76%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your clothes and makes even short outings feel less inviting, leaving travelers reaching for extra layers to stay comfortable while exploring.

October Average Humidity in Grafton

This chart illustrates the average monthly humidity levels in Grafton, 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 Grafton is approximately 76%, 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 Grafton

In Grafton in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grafton for better planning.

Maximum UV Index Levels in Grafton for October

The chart shows the monthly maximum UV Index (UVI) for Grafton 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 Grafton typically reaches 4, which falls under the moderate exposure category.

Data source: Grafton 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 Grafton Compares to Other Months

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

This table compares monthly weather conditions in Grafton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	17 mm (0.6 inches)	92%	low
February Weather	-14°C (7°F)	18 mm (0.7 inches)	90%	moderate
March Weather	-4°C (25°F)	22 mm (0.9 inches)	88%	moderate
April Weather	3°C (38°F)	27 mm (1.1 inches)	81%	high
May Weather	13°C (55°F)	48 mm (1.9 inches)	74%	very high
June Weather	20°C (68°F)	64 mm (2.5 inches)	72%	very high
July Weather	22°C (72°F)	54 mm (2.1 inches)	74%	very high
August Weather	20°C (68°F)	63 mm (2.5 inches)	76%	very high
September Weather	15°C (59°F)	82 mm (3.2 inches)	73%	high
October Weather	6°C (43°F)	79 mm (3.1 inches)	76%	moderate
November Weather	-3°C (26°F)	26 mm (1.0 inches)	86%	moderate
December Weather	-9°C (16°F)	30 mm (1.2 inches)	91%	low