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October Weather in Union City, United States

Last updated: June 24, 2025

In October, the average temperature in Union City, United States hovers around 19°C (67°F), providing a comfortable climate for visitors. Be prepared for temperature fluctuations, with a minimum dipping to 0°C (32°F) and peaks reaching up to 36°C (98°F). Expect 113 mm (4.4 in) of precipitation spread over about 8 days, and enjoy the mildly humid atmosphere with an average humidity level of 78%.

October Temperature in Union City

In October in Union City, the average temperature is 19°C (67°F). Maximum temperatures can reach 36°C (98°F), while minimums can plummet to as low as 0°C (32°F). Be prepared for a wide range of temperatures if you're planning to travel during this time!

October Weather in Union City: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Union City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union City, October typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (98°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec465257627177807975665349
Data source: Temperature data for Union City 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 Union City

In Union City in October, the precipitation amount is 113 mm (4.4 in) over a span of 8 days.

October Precipitation Trends in Union City

The chart displays monthly precipitation patterns in Union City, 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 Union City, October typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1011341171169111511113711111379136
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Union City

In Union City in October humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

October Average Humidity in Union City

This chart illustrates the average monthly humidity levels in Union City, 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 Union City is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Union City

In Union City 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 Union City.

Maximum UV Index Levels in Union City for October

The chart shows the monthly maximum UV Index (UVI) for Union City 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 Union City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Union City 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 Union City Compares to Other Months

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

This table compares monthly weather conditions in Union City, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)101 mm (4.0 inches)86%moderate
February Weather11°C (52°F)134 mm (5.3 inches)84%high
March Weather14°C (57°F)117 mm (4.6 inches)83%very high
April Weather17°C (63°F)116 mm (4.6 inches)81%extreme
May Weather22°C (71°F)90 mm (3.6 inches)81%extreme
June Weather25°C (77°F)115 mm (4.5 inches)81%extreme
July Weather26°C (80°F)111 mm (4.4 inches)83%extreme
August Weather26°C (79°F)137 mm (5.4 inches)81%very high
September Weather24°C (75°F)111 mm (4.4 inches)82%very high
October Weather19°C (67°F)113 mm (4.4 inches)78%very high
November Weather11°C (53°F)79 mm (3.1 inches)86%high
December Weather9°C (49°F)136 mm (5.3 inches)89%moderate

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