What is the hottest month in Killeen?

August — average highs around 96° with lows near 77°.

What is the coldest month in Killeen?

January, when nights typically drop to 41° and days top out near 59°.

What is the rainiest month in Killeen?

May, averaging about 6.1 in of precipitation; the driest is August at roughly 1.5 in.

How warm is Killeen over the year?

The annual mean is 70°, with about 37 in of precipitation in a typical year (1991-2020 normals).

Killeen Climate — Monthly Normals 1991-2020

Climate in Killeen

The typical year in Killeen (Texas), from 1991-2020 normals. For what's happening now, see the current forecast; a month ahead — the 30-day outlook.

Annual mean temp

20.9°C

average across 12 months

Annual precipitation

951 mm

yearly total

Warmest month

Aug

⌀ max 35°C

Coldest month

Jan

⌀ min 4°C

Temperatures by month

typical high (orange) · typical low (blue)

Jan

5° … 15°

Feb

6° … 17°

Mar

12° … 23°

Apr

15° … 26°

May

20° … 29°

Jun

23° … 34°

Jul

25° … 35°

Aug

25° … 36°

Sep

22° … 32°

Oct

17° … 27°

Nov

11° … 21°

Dec

8° … 18°

Precipitation by month

monthly totals across the year

Jan

61 mm

Feb

71 mm

Mar

81 mm

Apr

100 mm

May

154 mm

Jun

73 mm

Jul

68 mm

Aug

38 mm

Sep

74 mm

Oct

109 mm

Nov

64 mm

Dec

58 mm

The short version

RegionTexas

Latitude31.1171°N

Annual mean20.9°C

Annual precipitation951 mm

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Weather map — Killeen

Killeen →

Source · 1991-2020 normals

Killeen, TX Climate