October Weather in Union, United States

Last updated: June 24, 2025

In October, the average temperature in Union, United States hovers around 15°C (59°F), with a minimum dip to 1°C (33°F) and a maximum rise to 34°C (94°F). Expect 98 mm (3.9 in) of precipitation over approximately 12 days, accompanied by a notably high average humidity of 78%. Prepare for a month that combines a mix of warmth and moisture!

October Temperature in Union

In October in Union, the average temperature is 15°C (59°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 1°C (33°F). This varied climate makes Union an ideal destination for travelers looking to experience both warmth and cooler weather.

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

The chart illustrates October temperature patterns in Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union, October typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (33°F).

Data source: Temperature data for Union generated using information from the Copernicus Climate Change Service.

October Precipitation in Union

In Union in October, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.

October Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, 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, October typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 12 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 Union

In Union in October, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

October Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, 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 is approximately 78%, 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 Union

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

Maximum UV Index Levels in Union for October

The chart shows the monthly maximum UV Index (UVI) for Union 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 typically reaches 6, which falls under the high exposure category.

Data source: Union 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 Compares to Other Months

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

This table compares monthly weather conditions in Union, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	80 mm (3.1 inches)	88%	moderate
February Weather	3°C (38°F)	110 mm (4.3 inches)	88%	moderate
March Weather	7°C (46°F)	135 mm (5.3 inches)	87%	high
April Weather	12°C (55°F)	125 mm (4.9 inches)	85%	very high
May Weather	19°C (66°F)	126 mm (4.9 inches)	81%	very high
June Weather	23°C (74°F)	146 mm (5.7 inches)	82%	very high
July Weather	25°C (78°F)	113 mm (4.5 inches)	81%	very high
August Weather	24°C (75°F)	95 mm (3.7 inches)	73%	very high
September Weather	21°C (71°F)	87 mm (3.4 inches)	73%	very high
October Weather	15°C (59°F)	98 mm (3.9 inches)	78%	high
November Weather	7°C (44°F)	93 mm (3.7 inches)	89%	moderate
December Weather	4°C (39°F)	109 mm (4.3 inches)	87%	moderate