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October Weather in Killeen, United States

Last updated: June 24, 2025

In Killeen, United States, the average temperature in October hovers around 21°C (70°F), providing a pleasant atmosphere. However, be prepared for temperature fluctuations, as it can dip to a chilly 3°C (37°F) or soar up to a sweltering 37°C (98°F). Expect 113 mm (4.5 in) of precipitation spread over 9 days, contributing to an average humidity level of 73%. Make sure to pack accordingly!

October Temperature in Killeen

In October in Killeen, the average temperature is 21°C (70°F). Maximums can reach 37°C (98°F), while minimums can drop as low as 3°C (37°F). It's advisable to pack both light clothing for the warm days and warmer layers for the cooler evenings if you're planning to travel during this time.

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

The chart illustrates October temperature patterns in Killeen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killeen, October typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (98°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec505263677682868680705954
Data source: Temperature data for Killeen 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 Killeen

In Killeen in October, the precipitation amount is 113 mm (4.5 in) over a span of 9 days.

October Precipitation Trends in Killeen

The chart displays monthly precipitation patterns in Killeen, 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 Killeen, October typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec51637484177705992871143955
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Killeen

In Killeen in October, humidity is 73%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can make outdoor activities feel sweltering, so it's essential to stay hydrated and take breaks in the shade while exploring.

October Average Humidity in Killeen

This chart illustrates the average monthly humidity levels in Killeen, 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 Killeen is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Killeen

In Killeen 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 Killeen.

Maximum UV Index Levels in Killeen for October

The chart shows the monthly maximum UV Index (UVI) for Killeen 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 Killeen typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101112121111864
Data source: Killeen 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 Killeen Compares to Other Months

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

This table compares monthly weather conditions in Killeen, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)51 mm (2.0 inches)78%moderate
February Weather11°C (52°F)63 mm (2.5 inches)78%high
March Weather17°C (63°F)74 mm (2.9 inches)77%very high
April Weather20°C (68°F)84 mm (3.3 inches)78%very high
May Weather24°C (76°F)177 mm (7.0 inches)82%extreme
June Weather28°C (82°F)70 mm (2.8 inches)78%extreme
July Weather30°C (86°F)59 mm (2.3 inches)69%extreme
August Weather30°C (86°F)91 mm (3.6 inches)63%extreme
September Weather26°C (80°F)87 mm (3.4 inches)66%extreme
October Weather21°C (70°F)113 mm (4.5 inches)73%very high
November Weather15°C (59°F)39 mm (1.5 inches)84%high
December Weather12°C (54°F)55 mm (2.1 inches)87%moderate

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