October Weather in Grayson, United States

Last updated: June 24, 2025

In Grayson, United States, the average temperature in October hovers around 18°C (65°F). This month can bring a range of weather, with the minimum dipping to 0°C (33°F) and the maximum soaring to 37°C (98°F). Expect 143 mm (5.6 in) of precipitation spread over 9 days, contributing to an average humidity of 78%. Perfect your packing strategy for a delightful experience!

October Temperature in Grayson

In October in Grayson, the average temperature is 18°C (65°F). The maximum can reach 37°C (98°F), while the minimum can drop as low as 0°C (33°F). This variety in temperatures makes Grayson an ideal destination for travelers seeking both warm days and cool evenings.

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 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around 0°C (33°F).

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

October Precipitation in Grayson

In Grayson, in October, the precipitation amount is 143 mm (5.6 in) over the course of 9 days.

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 143 mm (5.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Grayson

In Grayson in October, humidity is 78%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket, making travel quite muggy and potentially uncomfortable, as it can leave you feeling sticky and fatigued more quickly than usual.

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 78%, 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 Grayson

In Grayson in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	109 mm (4.3 inches)	86%	moderate
February Weather	10°C (51°F)	155 mm (6.1 inches)	84%	high
March Weather	13°C (56°F)	138 mm (5.4 inches)	83%	very high
April Weather	16°C (62°F)	123 mm (4.8 inches)	81%	extreme
May Weather	21°C (71°F)	120 mm (4.7 inches)	81%	extreme
June Weather	24°C (76°F)	135 mm (5.3 inches)	81%	extreme
July Weather	26°C (79°F)	119 mm (4.7 inches)	83%	extreme
August Weather	26°C (78°F)	153 mm (6.0 inches)	81%	very high
September Weather	23°C (74°F)	115 mm (4.5 inches)	82%	very high
October Weather	18°C (65°F)	143 mm (5.6 inches)	78%	very high
November Weather	11°C (52°F)	80 mm (3.2 inches)	86%	high
December Weather	9°C (48°F)	138 mm (5.4 inches)	89%	moderate