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October Weather in Grafton, United States

Last updated: June 24, 2025

In October, the average temperature in Grafton, United States hovers around 14°C (57°F), offering a mild climate. Temperatures can vary significantly, with minimums dipping to 0°C (33°F) and maximums climbing up to 31°C (89°F). Expect 102 mm (4.0 in) of precipitation spread over 15 days, adding to the overall 82% humidity that characterizes this time of year.

October Temperature in Grafton

In October in Grafton, the average temperature is 14°C (57°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 0°C (33°F). This varied climate makes Grafton an ideal destination for travelers who enjoy diverse weather conditions, offering opportunities for both warm and cool activities.

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 (57°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496170757267574235
Data source: Temperature data for Grafton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Grafton

In Grafton in October, the precipitation amount is 102 mm (4.0 in) over the course of 15 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 102 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec80909312012313513097851029188
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grafton

In Grafton in October, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Grafton, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)80 mm (3.1 inches)88%moderate
February Weather0°C (32°F)90 mm (3.5 inches)88%moderate
March Weather4°C (40°F)92 mm (3.6 inches)87%high
April Weather10°C (50°F)120 mm (4.7 inches)87%very high
May Weather16°C (62°F)123 mm (4.9 inches)81%very high
June Weather21°C (71°F)135 mm (5.3 inches)83%very high
July Weather24°C (75°F)130 mm (5.1 inches)82%very high
August Weather22°C (73°F)97 mm (3.8 inches)76%very high
September Weather20°C (68°F)85 mm (3.4 inches)77%very high
October Weather14°C (57°F)102 mm (4.0 inches)82%high
November Weather5°C (42°F)90 mm (3.6 inches)89%moderate
December Weather2°C (35°F)88 mm (3.5 inches)86%low

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