May weather forecast
Killeen, TX

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Weather in May

Weather conditions in Killeen start showing summer characteristics in May. The temperatures take a significant departure from that of April and it becomes warmer. The city experiences the most rainfall in the year, with an average of 3.27" (83mm), while maintaining increased humidity levels. A mix of sun and showers dominate throughout the month, making the landscape lush and green. Despite the high temperature, the month's overall pleasant weather conditions are ideal for various outdoor activities.

Temperature

May in Killeen brings a slight increase in the average high-temperature, progressing from 76.5°F (24.7°C) in April to a still warm 82.9°F (28.3°C). In the month of May, Killeen records a consistent average low-temperature of 64.9°F (18.3°C).

Heat index

In May, the average heat index is calculated to be a hot 89.6°F (32°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

May is the most humid month in Killeen, with an average relative humidity of 74%.

Rainfall

In May, in Killeen, the rain falls for 14.1 days. Throughout May, 3.27" (83mm) of precipitation is accumulated. In Killeen, during the entire year, the rain falls for 130.1 days and collects up to 23.07" (586mm) of precipitation.

Snowfall

In Killeen, snow does not fall in March through December.

Daylight

The average length of the day in May is 13h and 45min.
On the first day of May, sunrise is at 6:45 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:29 pm CDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May in Killeen is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

Is it hot in Killeen during May?

In Killeen, 82.9°F (28.3°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the most humid month in Killeen?

The most humid month is May, with an average relative humidity of 74%.

What is the average humidity in May in Killeen?

The average relative humidity in May in Killeen is 74%.

How many days does it rain in May in Killeen?

In Killeen, during May, the rain falls for 14.1 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Killeen?

In Killeen, Texas, snow does not fall in March through December.

How many hours of daylight does Killeen have in May?

The average day length in May in Killeen, Texas, is 13h and 45min.

What time are sunrise and sunset in May in Killeen?

In May, on the first day of the month, sunrise is at 6:45 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:29 pm CDT.

How long on average sun shines in May in Killeen?

The average sunshine duration in May in Killeen, Texas, is 8.5h.

What is the UV index reading in May in Killeen?

The average daily maximum UV index in May in Killeen, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Killeen, TX

Average temperature in May - Killeen, TX
  • Average high temperature in May: 82.9°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).

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Average pressure in May
Killeen, TX

Average pressure in May - Killeen, TX
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Killeen, TX

Average wind speed in May - Killeen, TX
  • Average wind speed in May: 9.7mph

The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

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Average humidity in May
Killeen, TX

Average humidity in May - Killeen, TX
  • Average humidity in May: 74%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in May
Killeen, TX

Average rainfall in May - Killeen, TX
  • Average rainfall in May: 3.27"

The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is November (0.98").

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Average rainfall days in May
Killeen, TX

Average rainfall days in May - Killeen, TX
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in May
Killeen, TX

Average snowfall in May - Killeen, TX
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Killeen, TX

Average snowfall days in May - Killeen, TX
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Killeen, TX

Average daylight in May / Average sunshine in May - Killeen, TX
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Killeen, TX

Average sunshine days in May - Killeen, TX
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.5 days).

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Average UV index in May
Killeen, TX

Average UV index in May - Killeen, TX
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in May
Killeen, TX

Average cloud cover in May - Killeen, TX
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in May
Killeen, TX

Average visibility in May - Killeen, TX
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Killeen, Texas, USA

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