October Weather in Grafton, United States

Last updated: June 24, 2025

In October, the average temperature in Grafton, United States hovers around 14°C (58°F). Expect a range where minimums can dip to -2°C (29°F) while maximums soar up to 31°C (89°F). With an average humidity of 81%, this month typically brings about 120 mm (4.7 in) of precipitation spread over 12 days, making it a vibrant yet unpredictable time of year.

October Temperature in Grafton

In October in Grafton, the average temperature is 14°C (58°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels, so 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 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around -2°C (29°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 120 mm (4.7 in) over a period of 12 days.

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 120 mm (4.7 inches) of precipitation spread over approximately 12 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 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for 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 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 Grafton

In Grafton in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Grafton.

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 7, which falls under the high 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	0°C (33°F)	102 mm (4.0 inches)	88%	moderate
February Weather	3°C (38°F)	159 mm (6.2 inches)	88%	moderate
March Weather	6°C (44°F)	122 mm (4.8 inches)	88%	high
April Weather	11°C (53°F)	152 mm (6.0 inches)	86%	very high
May Weather	17°C (63°F)	160 mm (6.3 inches)	82%	very high
June Weather	20°C (69°F)	145 mm (5.7 inches)	84%	very high
July Weather	23°C (74°F)	115 mm (4.5 inches)	82%	very high
August Weather	22°C (72°F)	114 mm (4.5 inches)	73%	very high
September Weather	19°C (67°F)	113 mm (4.5 inches)	73%	very high
October Weather	14°C (58°F)	120 mm (4.7 inches)	81%	high
November Weather	6°C (43°F)	89 mm (3.5 inches)	89%	moderate
December Weather	3°C (38°F)	134 mm (5.3 inches)	86%	moderate