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April Weather in Killeen, United States

Last updated: June 24, 2025

In April, the average temperature in Killeen, United States hovers around 20°C (68°F), offering a pleasant climate. Be prepared for a range of temperatures, as it can dip as low as 4°C (40°F) and peak at a sweltering 36°C (97°F). During this month, expect an average rainfall of 84 mm (3.3 in) spread out over 8 days, coupled with an average humidity of 78%, creating a tropical feel.

April Temperature in Killeen

In April in Killeen, the average temperature is 20°C (68°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 4°C (40°F). This variety in temperatures makes Killeen an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates April 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, April typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (97°F) and lows dropping to around 4°C (40°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.

April Precipitation in Killeen

In Killeen in April, the precipitation amount is 84 mm (3.3 in) spread over 8 days.

April Precipitation Trends in Killeen

The chart displays monthly precipitation patterns in Killeen, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Killeen, April typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec51637484177705992871143955
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Killeen

In Killeen in April humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

April Average Humidity in Killeen

This chart illustrates the average monthly humidity levels in Killeen, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Killeen is approximately 78%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Killeen

In Killeen in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Killeen.

Maximum UV Index Levels in Killeen for April

The chart shows the monthly maximum UV Index (UVI) for Killeen in April, 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 April, the maximum UV index in Killeen typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101112121111864
Data source: Killeen April 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 April 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 April’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 April’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

Compare Killeen's Climate with Cities Worldwide