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October Weather in Vandalia, United States

Last updated: June 24, 2025

In October, the average temperature in Vandalia, United States hovers around a pleasant 15°C (59°F). However, be prepared for a range of temperatures, where the minimum can drop to a chilly -5°C (24°F) and the maximum can soar to a balmy 33°C (92°F). Expect to see 114 mm (4.5 in) of precipitation over 11 days, with an average humidity level of 79%.

October Temperature in Vandalia

In October in Vandalia, the average temperature is 15°C (59°F). Maximum temperatures can reach 33°C (92°F) while minimums can drop to as low as -5°C (24°F). This variation makes Vandalia an ideal destination for travelers seeking both warm and cool weather experiences.

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

The chart illustrates October temperature patterns in Vandalia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vandalia, October typically has an average temperature of 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546546776797572594338
Data source: Temperature data for Vandalia 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 Vandalia

In Vandalia in October, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

October Precipitation Trends in Vandalia

The chart displays monthly precipitation patterns in Vandalia, 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 Vandalia, October typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec808213413015310594105621148371
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Vandalia

In Vandalia in October humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

October Average Humidity in Vandalia

This chart illustrates the average monthly humidity levels in Vandalia, 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 Vandalia 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 Vandalia

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

Maximum UV Index Levels in Vandalia for October

The chart shows the monthly maximum UV Index (UVI) for Vandalia 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 Vandalia typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356911111098643
Data source: Vandalia 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 Vandalia Compares to Other Months

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

This table compares monthly weather conditions in Vandalia, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)80 mm (3.1 inches)84%moderate
February Weather2°C (35°F)82 mm (3.2 inches)82%moderate
March Weather8°C (46°F)134 mm (5.3 inches)84%high
April Weather12°C (55°F)130 mm (5.1 inches)83%very high
May Weather19°C (67°F)153 mm (6.0 inches)80%extreme
June Weather25°C (77°F)105 mm (4.1 inches)83%extreme
July Weather26°C (79°F)94 mm (3.7 inches)82%very high
August Weather24°C (76°F)105 mm (4.1 inches)82%very high
September Weather22°C (72°F)62 mm (2.4 inches)79%very high
October Weather15°C (59°F)114 mm (4.5 inches)79%high
November Weather6°C (43°F)83 mm (3.3 inches)88%moderate
December Weather3°C (38°F)71 mm (2.8 inches)87%moderate

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