Climateby Month

Killeen, TX climate by month

NOAA 1991-2020 normals · 822 ft elevation

Summers in Killeen are hot and humid; winters are cool. Highs peak at 97°F in August and fall to 60°F in January. The wettest month is March (about 9 wet days) and the driest is August (about 5). Snow is rare. The most comfortable time to visit is February, March and April.

Warmest month
97°F
August normal high
Coldest month
36°F
January normal low
Wet days a year
86
37.0 in of precipitation
Muggy days a year
114
dew point 65°F or higher

How warm is Killeen?

Normal highs range from 60°F in January to 97°F in August.

20°40°60°80°100° January: normal high 60°F (16°C), low 36°F (2°C) 60° 36° February: normal high 63°F (17°C), low 40°F (4°C) March: normal high 70°F (21°C), low 47°F (8°C) April: normal high 77°F (25°C), low 54°F (12°C) May: normal high 84°F (29°C), low 63°F (17°C) June: normal high 92°F (33°C), low 70°F (21°C) July: normal high 96°F (36°C), low 72°F (22°C) August: normal high 97°F (36°C), low 73°F (23°C) 97° 73° September: normal high 90°F (32°C), low 67°F (19°C) October: normal high 80°F (27°C), low 56°F (13°C) November: normal high 69°F (21°C), low 46°F (8°C) December: normal high 60°F (16°C), low 38°F (3°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Killeen?

March has the most wet days (about 9); the year brings about 37 in of precipitation.

January: 8 wet days February: 8 wet days March: 9 wet days 9 April: 7 wet days May: 9 wet days June: 7 wet days July: 5 wet days August: 5 wet days 5 September: 6 wet days October: 7 wet days November: 8 wet days December: 8 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Killeen?

Muggy days peak in July, at about 25 days.

January: 0 muggy days 0 February: 0 muggy days March: 1 muggy days April: 3 muggy days May: 14 muggy days June: 24 muggy days July: 25 muggy days 25 August: 23 muggy days September: 16 muggy days October: 6 muggy days November: 1 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Robert Gray Aff Airport, 7.1 mi WSW of the city center.

How much daylight?

Daylight ranges from about 10.2 hours in December to 14.1 hours in June.

January: 10.4 hours of daylight February: 11.1 hours of daylight March: 12.0 hours of daylight April: 12.9 hours of daylight May: 13.7 hours of daylight June: 14.1 hours of daylight 14.1 July: 13.9 hours of daylight August: 13.3 hours of daylight September: 12.3 hours of daylight October: 11.4 hours of daylight November: 10.6 hours of daylight December: 10.2 hours of daylight 10.2 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Killeen, 1991-2020
MonthHighLowPrecip.Wet daysMuggy daysDaylight
January 60°F36°F 2.5 in8 0 10.4 h
February 63°F40°F 2.3 in8 0 11.1 h
March 70°F47°F 3.3 in9 1 12.0 h
April 77°F54°F 3.1 in7 3 12.9 h
May 84°F63°F 4.8 in9 14 13.7 h
June 92°F70°F 3.4 in7 24 14.1 h
July 96°F72°F 1.9 in5 25 13.9 h
August 97°F73°F 2.5 in5 23 13.3 h
September 90°F67°F 3.7 in6 16 12.3 h
October 80°F56°F 4.0 in7 6 11.4 h
November 69°F46°F 2.6 in8 1 10.6 h
December 60°F38°F 2.8 in8 0 10.2 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Killeen

By our comfort score, the best months are February, March and April.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 581152
Feb 631241
Mar 661451
Apr 651142
May 51368
Jun 400521
Jul 360329
Aug 350328
Sep 412417
Oct 56945
Nov 621351
Dec 571041

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Killeen

The last spring frost typically comes around Mar 14, and the first fall frost around Nov 17, leaving 247 frost-free days in a typical year.

Frost and freeze dates for Killeen
Typical date1 year in 10
Last spring frost (32°F)Mar 14after Apr 4
First fall frost (32°F)Nov 17before Nov 1
Last hard freeze (28°F)Mar 2after Mar 22
First hard freeze (28°F)Nov 30before Nov 8
Frost-free season247 daysunder 217 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Killeen (USC00414792), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Texas.

Hottest and coldest readings, 1991-2020

The highest reading was 112°F (September 6, 2000, and 1 other day); the lowest was 10°F (January 17, 2018).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Killeen

Similar climates elsewhere

Where the numbers come from

  • Temperature, snowfall, snow depth and frost dates: Killeen (USC00414792), 4.1 mi SSE of the city center, 815 ft . NOAA normals and daily records, 1991-2020.
  • Rain: Stillhouse Hollow Dam (USC00418646), 13 mi ESE of the city center, 706 ft (116 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Robert Gray AAF (USW00003902), 7.2 mi WSW of the city center, 1,015 ft (193 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Robert Gray Aff Airport (722576-03902), 7.1 mi WSW of the city center, 1,015 ft (193 ft higher than the city). Hourly observations, 1991-2020.

Distances from the city center (USGS). Methodology · Report an error