May weather forecast
Carrollton, TX

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Weather in May

Carrollton warmly welcomes May with increasing temperatures and extended day length. While the expected rain may contribute to a small rise in relative humidity, it could provide a slight respite from the searing heat. Winds are noticeably mild, hardly interfering with outdoor activities. The increased sunlight exposure amplifies the overall experience of a typical Texas summer. Residents may need to consider protective measures due to a higher UV index, which indicates a stronger sun.

Temperature

May in Carrollton signals a minor shift in the average high-temperature, moving from April's warm 75°F (23.9°C) to a still moderately hot 82.2°F (27.9°C). The low-temperature averages to a comfortable 64.8°F (18.2°C) during the nights of May.

Heat index

May's average heat index is estimated at a hot 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

May is the most humid month, with an average relative humidity of 71%.

Rainfall

In Carrollton, in May, during 15 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. In Carrollton, during the entire year, the rain falls for 142.4 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

In Carrollton, snow does not fall in March through October.

Daylight

The average length of the day in May is 13h and 52min.
On the first day of May, sunrise is at 6:39 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:30 pm CDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during May translates into the following guidance:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Carrollton, is 82.2°F (27.9°C), while the low-temperature averages to 64.8°F (18.2°C). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the most humid month?

May is the most humid month, with an average relative humidity of 71%.

What is the average humidity in May?

In Carrollton, the average relative humidity in May is 71%.

How many days does it rain in May?

In Carrollton, during May, the rain falls for 15 days and regularly aggregates up to 3.98" (101mm) of precipitation.

When it does not snow?

In Carrollton, snow does not fall in March through October.

What is the average length of the day in May?

The average day length in May is 13h and 52min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:39 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:30 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.8h.

When is the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index in Carrollton is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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
Carrollton, TX

Average temperature in May - Carrollton, TX
  • Average high temperature in May: 82.2°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 (54.3°F).

  • Average low temperature in May: 64.8°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in May
Carrollton, TX

Average pressure in May - Carrollton, 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 (29.9"Hg).

Average wind speed in May
Carrollton, TX

Average wind speed in May - Carrollton, TX
  • Average wind speed in May: 9.1mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

Average humidity in May
Carrollton, TX

Average humidity in May - Carrollton, TX
  • Average humidity in May: 71%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

Average rainfall in May
Carrollton, TX

Average rainfall in May - Carrollton, TX
  • Average rainfall in May: 3.98"

The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is February (1.73").

Average rainfall days in May
Carrollton, TX

Average rainfall days in May - Carrollton, TX
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in May
Carrollton, TX

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

The month with the highest snowfall is February (0.59").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in May
Carrollton, TX

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

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Carrollton, TX
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in May
Carrollton, TX

Average sunshine days in May - Carrollton, TX
  • Average sunshine days in May: 14 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (13.8 days).

Average UV index in May
Carrollton, TX

Average UV index in May - Carrollton, TX
  • Average UV index in May: 7

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

Average cloud cover in May
Carrollton, TX

Average cloud cover in May - Carrollton, TX
  • Average cloud cover in May: 35

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in May
Carrollton, TX

Average visibility in May - Carrollton, 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).

Carrollton, Texas, USA

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