Killeen, TX weather in May
Killeen is warm and often humid in May, with some rain: highs average 84°F and nights drop to about 63°F. Rain falls on about 9 days.
- Normal high
- 84°F
- Normal low
- 63°F
- Wet days
- 9
- 4.8 in total
- Muggy days
- 14
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 79°F | 89°F |
| Normal low | 58°F | 68°F |
| Chance of a wet day | 26% | 27% |
| Sunrise / sunset | 6:46 am / 8:09 pm | 6:27 am / 8:29 pm |
| Daylight | 13.4 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am67°Fdew point 62°F
- 9 am74°Fdew point 63°F
- Noon80°Fdew point 62°F
- 3 pm84°Fdew point 61°F
- 6 pm81°Fdew point 61°F
- 9 pm74°Fdew point 62°F
NOAA hourly normals (local standard time) from Robert Gray AAF (7 mi away); average wind 10 mph; clear or few clouds in 35% of daytime hours, mostly cloudy or overcast in 50%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more8 of 31
- Muggy daysdaily mean dew point 65°F or more14 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 4.8 in; a dry May brings about 2.8 in and a wet one about 6.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How May varies from year to year
- Warmest May, 1991-20201998: average high 91°F
- Coolest May1992: average high 78°F
- Wettest May1991: 11.7 in
- Driest May2010: 0.05 in
- Highest reading99°F (May 25, 2000)
- Lowest reading37°F (May 19, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 77°F | 84°F | 92°F |
| Normal low | 54°F | 63°F | 70°F |
| Wet days | 7 | 9 | 7 |
| Comfortable days | 11 | 3 | 0 |
| Daylight | 12.9 h | 13.7 h | 14.1 h |
Highs change by +7°F from April and +8°F into June.
How Killeen ranks in May
- Normal high84th warmest of 378 cities; 30th of 38 in Texas
- Wet days161st driest of 378
- Comfortable days283rd most of 339
What to pack for Killeen in May
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
May has 12 heating degree days and 273 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Killeen in May?
The normal high is 84°F and the normal low is 63°F. From 1991 to 2020 the hottest May reading was 99°F (most recently on May 25, 2000).
Does it rain a lot in Killeen in May?
About 9 days in May have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest May in 1991-2020 was in 1991 (11.7 in); the driest was in 2010 (0.05 in).
Is May a good time to visit Killeen?
May ranks 8th of 12 months on our comfort score for Killeen (51 out of 100). It has about 3 comfortable days and about 8 days at 90°F or hotter. The best months are February, March and April.
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.