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October Weather in Grayson Valley, United States

Last updated: June 24, 2025

In October, the average temperature in Grayson Valley, United States hovers around 19°C (67°F), with a minimum dipping to 1°C (33°F) and a maximum soaring to 37°C (99°F). Expect around 131 mm (5.1 in) of precipitation over approximately 9 days, and enjoy a comfortable average humidity of 73%.

October Temperature in Grayson Valley

In October in Grayson Valley, the average temperature is 19°C (67°F). Maximums can reach 37°C (99°F), while minimums can drop as low as 1°C (33°F). Travelers should be prepared for a wide range of temperatures during this month.

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

The chart illustrates October temperature patterns in Grayson Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grayson Valley, October typically has an average temperature of 19°C (67°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec465157637277818076675249
Data source: Temperature data for Grayson Valley 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 Valley

In Grayson Valley in October, the total precipitation amount is 131 mm (5.1 in) over a span of 9 days.

October Precipitation Trends in Grayson Valley

The chart displays monthly precipitation patterns in Grayson Valley, 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 Valley, October typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec118180164154991341011168913181147
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grayson Valley

In Grayson Valley in October humidity is 73%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapped around you, making travel slightly uncomfortable and sticky, but still manageable as long as you stay hydrated and take breaks in the shade.

October Average Humidity in Grayson Valley

This chart illustrates the average monthly humidity levels in Grayson Valley, 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 Valley is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grayson Valley

In Grayson Valley 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 Valley.

Maximum UV Index Levels in Grayson Valley for October

The chart shows the monthly maximum UV Index (UVI) for Grayson Valley 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 Valley typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Grayson Valley 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 Valley Compares to Other Months

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

This table compares monthly weather conditions in Grayson Valley, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)118 mm (4.6 inches)85%moderate
February Weather11°C (52°F)180 mm (7.1 inches)84%high
March Weather14°C (58°F)164 mm (6.5 inches)82%very high
April Weather17°C (63°F)154 mm (6.0 inches)82%very high
May Weather22°C (72°F)99 mm (3.9 inches)81%extreme
June Weather25°C (78°F)134 mm (5.3 inches)77%extreme
July Weather27°C (81°F)101 mm (4.0 inches)77%extreme
August Weather27°C (80°F)116 mm (4.6 inches)72%extreme
September Weather25°C (77°F)89 mm (3.5 inches)73%very high
October Weather19°C (67°F)131 mm (5.1 inches)73%high
November Weather11°C (53°F)81 mm (3.2 inches)85%high
December Weather9°C (49°F)147 mm (5.8 inches)88%moderate

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