Killeen (TX) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Killeen.

Climate overview of Killeen

Temperatures in Killeen, Texas, United States of America, vary greatly throughout the year. August is the hottest month at 36°C (97°F), while January is the coldest at 16°C (61°F).

Annual rain/snowfall is moderate at around 918 mm (36 in), with May being the wettest month. The city also has very hot summers and mild winters. The sunniest month is July, with 11.1 hours of sunshine per day on average.

Killeen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Killeen - and find the best time to visit.

Monthly Temperature in Killeen

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 (97°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).

At night, temperatures range from around 24°C (75°F) in August to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Killeen

Generally, Killeen receives mid-range precipitation levels, with 918 mm (36 in) annually. Killeen can be quite wet during May, receiving approximately 151 mm (5.9 in) of precipitation over 10 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 41 mm (1.6 in) of precipitation 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 Hours in Killeen

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).

Best Time to Visit Killeen

For comfortable weather, consider visiting Killeen in April and November. Conditions are usually least favourable in June, July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April and November
  • Warmest weather: July and August
  • Most sunshine: July
  • Wettest months: May, when rainfall is highest.
  • Seasonal pattern: Very hot summers and mild winters

Frequently asked questions about the climate in Killeen

What is the best time to visit Killeen?

April and November typically offer the most optimal weather in Killeen. In contrast, June, July and August tend to have less optimal conditions. Killeen has very hot summers and mild winters.

What temperatures can I expect in Killeen?

Daytime highs range from 16°C (61°F) in January to 36°C (97°F) in August. Nighttime lows range from 3°C (37°F) to 24°C (75°F). Temperatures vary considerably through the year.

How much rain does Killeen get?

Annual rainfall is around 918 mm (36 in). May is the wettest month with 151 mm (5.9 in), while February is the driest with 41 mm (1.6 in).

How sunny is Killeen?

Killeen receives around 2,814 hours of sunshine per year. July is the sunniest month with 332 hours, while February is the cloudiest with just 185 hours. Overall, Killeen enjoys abundant sunshine.

Killeen 3-Day Forecast

Killeen on the map

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