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Killeen (TX) Weather and Climate: A Comprehensive Guide

Killeen experiences great temperature shifts. The city's weather can transition from very hot days to mild weather. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Killeen is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very hot 36°C in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C.

At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Killeen receives mid-range precipitation levels, with 918 mm annually. Killeen can be quite wet during May, receiving approximately 151 mm of precipitation over 10 rainy days.

In contrast February, experiences much drier conditions, with 41 mm of rainfall, spread across 6 rainy days. For more details, please visit our Killeen Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Killeen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 6.2 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Waco, the United States of America (73 KM, 45 Miles).

Daily hours of sunshine

Data from: Waco, the United States of America (73 KM, 45 Miles).

Forecast for Killeen (TX)

Fri   Dec 27
26°C | 6°C
SW 6 m/s
almost clear and no rain

almost clear and no rain

Sat   Dec 28
25°C | 12°C
W 8 m/s
22 mm
partly cloudy and thunder

partly cloudy and thunder

Sun   Dec 29
25°C | 8°C
SW 5 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Killeen in the United States of America

During the months of March and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Killeen?
    August has an average maximum temperature of 36°C and is the warmest month of the year.
  • Which is the coldest month in Killeen?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Killeen?
    May tops the wettest month list with 151 mm of rainfall.
  • Which is the driest month in Killeen?
    February is the driest month with 41 mm of precipitation.
  • Which is the sunniest month in Killeen?
    July is the sunniest month with an average of 332 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.