October Weather in Union Gap, United States

Last updated: June 24, 2025

In October, the average temperature in Union Gap, United States hovers around 10°C (51°F). It's a month of contrasts, with lows plummeting to -7°C (20°F) and highs soaring up to 31°C (88°F). During this time, expect about 37 mm (1.4 in) of precipitation over 6 days, accompanied by an average humidity level of 83%. Prepare for a varied weather experience!

October Temperature in Union Gap

In October in Union Gap, the average temperature is 10°C (51°F). Maximums can reach 31°C (88°F) while minimums can drop as low as -7°C (20°F). This wide range of temperatures makes it essential for travelers to pack accordingly for both warm and cold conditions.

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

The chart illustrates October temperature patterns in Union Gap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Gap, October typically has an average temperature of 10°C (51°F), with highs reaching up to 31°C (88°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec323442516269767565504034
Data source: Temperature data for Union Gap generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Union Gap

In Union Gap in October, the precipitation amount is 37 mm (1.4 in) over a span of 6 days.

October Precipitation Trends in Union Gap

The chart displays monthly precipitation patterns in Union Gap, 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 Gap, October typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec636430231361412374259
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Union Gap

In Union Gap in October, humidity is 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.

October Average Humidity in Union Gap

This chart illustrates the average monthly humidity levels in Union Gap, 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 Gap is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Union Gap

In Union Gap in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Union Gap.

Maximum UV Index Levels in Union Gap for October

The chart shows the monthly maximum UV Index (UVI) for Union Gap 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 Gap typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579101097532
Data source: Union Gap 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 Gap Compares to Other Months

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

This table compares monthly weather conditions in Union Gap, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)63 mm (2.5 inches)86%low
February Weather1°C (34°F)63 mm (2.5 inches)86%moderate
March Weather6°C (42°F)30 mm (1.2 inches)87%moderate
April Weather10°C (51°F)23 mm (0.9 inches)84%high
May Weather16°C (62°F)13 mm (0.5 inches)81%very high
June Weather21°C (70°F)6 mm (0.2 inches)82%very high
July Weather25°C (77°F)1 mm (0.0 inches)79%very high
August Weather24°C (76°F)4 mm (0.2 inches)63%very high
September Weather18°C (65°F)12 mm (0.5 inches)62%high
October Weather10°C (51°F)37 mm (1.4 inches)83%moderate
November Weather4°C (40°F)42 mm (1.7 inches)89%moderate
December Weather1°C (34°F)59 mm (2.3 inches)88%low

Compare Union Gap's Climate with Cities Worldwide