October Weather in Grayson, United States

Last updated: June 24, 2025

In Grayson, United States, the average temperature in October hovers around 21°C (70°F), with a possible minimum of 1°C (34°F) and a peak reaching 38°C (101°F). Expect 120 mm (4.7 in) of precipitation spread over 9 days, alongside an average humidity of 77%. Prepare accordingly!

October Temperature in Grayson

In October in Grayson, the average temperature is 21°C (70°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 1°C (34°F). This diverse range of temperatures makes it essential for travelers to pack both light and warm clothing to prepare for any weather 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 21°C (70°F), with highs reaching up to 38°C (101°F) and lows dropping to around 1°C (34°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 120 mm (4.7 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 120 mm (4.7 inches) of precipitation spread over approximately 9 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 Grayson

In Grayson in October, humidity is 77%. With an average temperature of 21°C (70°F), this humidity feels like a warm, slightly sticky embrace, making travel invigorating yet slightly uncomfortable as you navigate the vibrant streets and outdoor attractions.

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 77%, 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	10°C (49°F)	112 mm (4.4 inches)	83%	moderate
February Weather	12°C (54°F)	169 mm (6.6 inches)	83%	high
March Weather	17°C (62°F)	114 mm (4.5 inches)	80%	very high
April Weather	19°C (66°F)	140 mm (5.5 inches)	81%	extreme
May Weather	24°C (75°F)	144 mm (5.7 inches)	81%	extreme
June Weather	27°C (80°F)	131 mm (5.1 inches)	78%	extreme
July Weather	28°C (83°F)	113 mm (4.4 inches)	79%	extreme
August Weather	28°C (83°F)	120 mm (4.7 inches)	79%	extreme
September Weather	26°C (80°F)	96 mm (3.8 inches)	79%	very high
October Weather	21°C (70°F)	120 mm (4.7 inches)	77%	very high
November Weather	13°C (56°F)	80 mm (3.2 inches)	85%	high
December Weather	12°C (53°F)	124 mm (4.9 inches)	88%	moderate