October Weather in Grayson, United States

Last updated: June 24, 2025

In October, the average temperature in Grayson, United States hovers around 19°C (66°F), making it a pleasant time to visit. However, temperatures can range from a chilling 4°C (39°F) to a sweltering 36°C (97°F). Expect some light rain with an average precipitation of 16 mm (0.6 in) over just 1 day, and be prepared for a moderate average humidity of 62%.

October Temperature in Grayson

In October in Grayson, the average temperature is 19°C (66°F). Maximum temperatures can reach 36°C (97°F), while minimum temperatures can dip as low as 4°C (39°F). This variation makes it essential for travelers to pack accordingly, ensuring comfort for both warm and cool conditions.

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

The chart illustrates October temperature patterns in Grayson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson, October typically has an average temperature of 19°C (66°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec505255616876818075665649
Data source: Temperature data for Grayson 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 Grayson

In Grayson in October, the precipitation amount is 16 mm (0.6 in) over the course of 1 day.

October Precipitation Trends in Grayson

The chart displays monthly precipitation patterns in Grayson, 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 Grayson, October typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec93728031182002162978
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grayson

In Grayson in October, humidity is 62%. With an average temperature of 19°C (66°F), this humidity feels like a balmy embrace, making travel pleasant, yet slightly muggy, urging you to stay hydrated and seek shade during midday excursions.

October Average Humidity in Grayson

This chart illustrates the average monthly humidity levels in Grayson, 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 Grayson is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grayson

In Grayson 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 Grayson.

Maximum UV Index Levels in Grayson for October

The chart shows the monthly maximum UV Index (UVI) for Grayson 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 Grayson typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Grayson 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 Grayson Compares to Other Months

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

This table compares monthly weather conditions in Grayson, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)93 mm (3.7 inches)82%moderate
February Weather11°C (52°F)72 mm (2.8 inches)84%moderate
March Weather13°C (55°F)80 mm (3.1 inches)82%very high
April Weather16°C (61°F)31 mm (1.2 inches)78%very high
May Weather20°C (68°F)18 mm (0.7 inches)71%very high
June Weather25°C (76°F)2 mm (0.1 inches)64%extreme
July Weather27°C (81°F)0 mm (0.0 inches)58%extreme
August Weather26°C (80°F)0 mm (0.0 inches)54%very high
September Weather24°C (75°F)1 mm (0.1 inches)55%very high
October Weather19°C (66°F)16 mm (0.6 inches)62%high
November Weather13°C (56°F)29 mm (1.1 inches)78%moderate
December Weather10°C (50°F)78 mm (3.1 inches)80%moderate

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