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October Weather in Williamsville, United States

Last updated: June 24, 2025

In Williamsville, United States, the average temperature in October hovers around 14°C (58°F). Expect a wide range, with temperatures dipping to a minimum of -4°C (24°F) and soaring up to a maximum of 32°C (90°F). Rainfall is quite frequent, bringing around 111 mm (4.4 in) over approximately 10 days, while the average humidity sits at a notable 79%.

October Temperature in Williamsville

In October in Williamsville, the average temperature is 14°C (58°F). Maximums can reach 32°C (90°F) and minimums can be as low as -4°C (24°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates October temperature patterns in Williamsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsville, October typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec293143526575777471574236
Data source: Temperature data for Williamsville 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 Williamsville

In Williamsville in October, the precipitation amount is 111 mm (4.4 in) over a span of 10 days.

October Precipitation Trends in Williamsville

The chart displays monthly precipitation patterns in Williamsville, 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 Williamsville, October typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec696913012814312411687641116852
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Williamsville

In Williamsville in October, humidity is 79%. With an average temperature of 14°C (58°F), this humidity feels like an oppressive blanket wrapped around you, making even the mild temperatures feel heavier and more stifling for traveling.

October Average Humidity in Williamsville

This chart illustrates the average monthly humidity levels in Williamsville, 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 Williamsville is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Williamsville

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

Maximum UV Index Levels in Williamsville for October

The chart shows the monthly maximum UV Index (UVI) for Williamsville 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 Williamsville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
Data source: Williamsville 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 Williamsville Compares to Other Months

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

This table compares monthly weather conditions in Williamsville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)69 mm (2.7 inches)84%moderate
February Weather0°C (32°F)69 mm (2.7 inches)82%moderate
March Weather6°C (44°F)129 mm (5.1 inches)84%high
April Weather11°C (53°F)128 mm (5.1 inches)83%very high
May Weather18°C (66°F)143 mm (5.6 inches)80%very high
June Weather24°C (75°F)124 mm (4.9 inches)83%extreme
July Weather25°C (77°F)116 mm (4.6 inches)82%extreme
August Weather23°C (74°F)87 mm (3.4 inches)82%very high
September Weather22°C (71°F)64 mm (2.5 inches)79%very high
October Weather14°C (58°F)111 mm (4.4 inches)79%high
November Weather5°C (42°F)68 mm (2.7 inches)88%moderate
December Weather2°C (36°F)52 mm (2.1 inches)87%moderate

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