Best Time to Visit Killeen
Best time: Jul, Mar, Sep, Aug.
Aug is warmest (35.4°C high); May is rainiest (112 mm).
Killeen weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 14.8 | 1.7 | 39 | 4.3 |
| Feb | 17.7 | 4.3 | 65 | 5.5 |
| Mar | 22 | 8.2 | 52 | 7 |
| Apr | 25.9 | 12.4 | 84 | 8.9 |
| May | 29.5 | 17.2 | 112 | 9.4 |
| Jun | 32.9 | 20.9 | 81 | 10.4 |
| Jul | 35.3 | 22.4 | 35 | 11 |
| Aug | 35.4 | 22.2 | 49 | 10 |
| Sep | 32 | 19.1 | 78 | 8.4 |
| Oct | 27.1 | 13.6 | 77 | 6.5 |
| Nov | 20.6 | 7.6 | 55 | 4.7 |
| Dec | 16.4 | 3.3 | 47 | 4.1 |
Average high temperature
Best months by activity
Overall: JulMarSepAug
Beaches: JulAugJunSep
Hiking: MarDecJanNov
Sightseeing: MarNovAprJul
Killeen quick facts
What to pack
Hot months (Jul, Aug): light clothes, sunscreen, hat.
Wet months (May): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Killeen?
Jul, Mar, Sep, Aug.
What is the rainiest month?
May, about 112 mm.
What is the warmest month?
Aug, with average highs of 35.4°C.
Where to stay
See Killeen hotels · Book Killeen tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.