October Weather in Grantsville, United States

Last updated: June 24, 2025

In October, the average temperature in Grantsville, United States hovers around 10°C (51°F). Expect a temperature range that can dip as low as -11°C (12°F) and soar to a maximum of 28°C (83°F). Rainfall is moderate, with an average precipitation amount of 33 mm (1.3 in) over 6 days, while the average humidity settles at 63%.

October Temperature in Grantsville

In October in Grantsville, the average temperature is 10°C (51°F). Maximums can reach 28°C (83°F) and minimums can drop as low as -11°C (12°F). Pack accordingly for a range of weather conditions to fully enjoy your travel experience in Grantsville.

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

The chart illustrates October temperature patterns in Grantsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grantsville, October typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec303443505973817868504131
Data source: Temperature data for Grantsville 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 Grantsville

In Grantsville, in October, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

October Precipitation Trends in Grantsville

The chart displays monthly precipitation patterns in Grantsville, 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 Grantsville, October typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec414761564914161831332736
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grantsville

In Grantsville in October, humidity is 63%. With an average temperature of 10°C (51°F), this humidity feels like a chilly embrace, making outdoor activities refreshing but requiring a light jacket for comfort while exploring.

October Average Humidity in Grantsville

This chart illustrates the average monthly humidity levels in Grantsville, 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 Grantsville is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%79%71%59%55%44%34%42%63%81%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grantsville

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

Maximum UV Index Levels in Grantsville for October

The chart shows the monthly maximum UV Index (UVI) for Grantsville 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 Grantsville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111211119653
Data source: Grantsville 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 Grantsville Compares to Other Months

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

This table compares monthly weather conditions in Grantsville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)40 mm (1.6 inches)85%moderate
February Weather1°C (34°F)47 mm (1.8 inches)86%moderate
March Weather6°C (43°F)61 mm (2.4 inches)79%high
April Weather10°C (50°F)56 mm (2.2 inches)71%very high
May Weather15°C (60°F)49 mm (1.9 inches)59%extreme
June Weather23°C (73°F)14 mm (0.5 inches)55%extreme
July Weather27°C (81°F)16 mm (0.6 inches)44%extreme
August Weather26°C (78°F)18 mm (0.7 inches)34%extreme
September Weather20°C (68°F)31 mm (1.2 inches)42%very high
October Weather10°C (51°F)33 mm (1.3 inches)63%high
November Weather5°C (41°F)27 mm (1.1 inches)81%moderate
December Weather-1°C (31°F)36 mm (1.4 inches)84%moderate

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