Weather in Killeen

Planning your day in Killeen? Check out the current weather update, charts, and detailed forecasts below to be prepared for any whims of nature.

Killeen's climate can be described as humid subtropical, which is typical for central Texas. The weather here is generally warm and favourable for travel for most of the year. The city is characterised by hot, long summers and mild, short winters, making it an excellent choice for tourists wishing to avoid severe cold.

Distinct seasons are primarily manifested in temperature changes. Summer here is truly sweltering: in July and August, average highs often exceed 35°C, making this time ideal for lovers of sun and heat. Winter is very mild, with average temperatures around 10–13°C, and even in the coldest months, the thermometer rarely drops to critical levels, allowing for comfortable sightseeing.

Particular attention should be paid to the spring period. May stands out as the wettest month of the year, when the number of rainy days increases noticeably. The rest of the time, precipitation falls quite moderately and evenly, ensuring stable conditions for relaxation. If you are planning a trip in spring, it is worth bringing an umbrella, whilst for a summer visit, be sure to stock up on sunscreen and headwear.

The climate in Killeen is characterised by distinct seasonal contrasts, offering tourists hot summers and surprisingly mild winters. The coldest month of the year is traditionally January, with an average temperature of about 10.5°C and night-time lows around 5.0°C. However, by spring, the air warms up rapidly, and August becomes the hottest period: at this time, the average temperature reaches 30.6°C, and the thermometer often rises to 35.9°C during the day.

The summer season here is long and truly sweltering. From June to September, average daytime highs consistently exceed the 32°C mark, creating the atmosphere of a true southern summer. Winter, on the contrary, is very comfortable: even in December and February, daytime temperatures often stay in the pleasant range of 16–18°C, allowing you to enjoy walks without heavy winter clothing. Frosts here are a rare and short-lived phenomenon.

Travellers should also take into account noticeable temperature changes throughout the day. On average, the difference between the daytime maximum and night-time minimum is about 10–11 degrees in any season. This means that even after a hot July day, when the temperature reaches 35°C, the night brings relative freshness (about 24–25°C), and on spring and autumn evenings, a light jacket or sweater may be required.

Precipitation in Killeen is distributed unevenly throughout the year, with a noticeable peak in humidity during the spring period. In general, the climate here allows for planning trips at any time of the year, although seasonal fluctuations should be considered. Rains can be both short-term and more prolonged, but extended periods of bad weather happen infrequently.

The wettest month of the year is May: statistics show an average of 14 days with precipitation and the highest volume of rainfall. April is also distinguished by increased cloudiness and rain (about 11 rainy days). If you are planning a trip for late spring, it is recommended to take an umbrella or a light raincoat with you, as the weather can be changeable.

The driest periods fall in summer and winter. In January, July, August, and December, the number of days with precipitation drops to a minimum — on average about 7 days per month. In winter, despite the drop in temperature, precipitation falls mainly in the form of rain; snow in this region is possible but is a rather rare occurrence.

Given the hot summer in Killeen, when the temperature often rises above 30°C, the basis of your luggage should be light items made of natural breathable fabrics, such as cotton or linen. Be sure to ensure reliable protection from the sun: a wide-brimmed hat or cap, sunglasses, and high SPF cream are simply necessary, especially in July and August. Shorts, T-shirts, and light open footwear will become your best companions during this sweltering period.

Winter and the off-season here are quite mild, but the weather can be changeable. Since the temperature in winter averages around 10–13°C and rarely drops below 5°C, you are unlikely to need heavy down jackets. However, the principle of layering will be very useful: take jeans, jumpers, and a mid-season jacket or windbreaker with you to feel comfortable on cool evenings. This is also relevant for early spring and late autumn.

Do not forget comfortable shoes for long walks, as it is most pleasant to explore the city on foot. In spring, especially in May, when the number of rainy days reaches a maximum, it is worth putting a compact umbrella or light raincoat in your suitcase. In other seasons, precipitation is not so significant, but having a waterproof windbreaker will be a practical solution for protection against sudden wind or light rain.