May weather forecast
Del Valle, TX

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Weather in May

The last month of the spring, May, is also a moderately hot month in Del Valle, Texas, with an average temperature fluctuating between 66°F (18.9°C) and 83.8°F (28.8°C).

Temperature

As Del Valle welcomes May, the average high-temperature displays a subtle shift, adjusting from a moderately hot 77.2°F (25.1°C) in April to a still warm 83.8°F (28.8°C). Del Valle experiences an average nighttime temperature of 66°F (18.9°C) in the month of May.

Heat index

For most parts of May, the heat index is calculated to be a tropical 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

May is the most humid month, with an average relative humidity of 75%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.2 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

March through October and December are months without snowfall.

Daylight

The average length of the day in May is 13h and 41min.
On the first day of the month, sunrise is at 6:46 am and sunset at 8:08 pm. On the last day of May, sunrise is at 6:29 am and sunset at 8:27 pm CDT.

Sunshine

The average sunshine in May in Del Valle is 8.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot is it in May?

An average high-temperature, in May, in Del Valle, is 83.8°F (28.8°C) and the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in May is calculated to be 91.4°F (33°C).

What is the most humid month?

With an average relative humidity of 75%, May is the most humid month.

What is the average humidity in May?

In May, the average relative humidity is 75%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 16.2 days and accumulates 3.78" (96mm) of precipitation.

How many days does it rain in May?

In Del Valle, in May, during 16.2 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

When it does not snow?

March through October and December are months without snowfall.

How many hours of daylight does Del Valle have in May?

In May, the average day length is 13h and 41min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:46 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:27 pm CDT.

How many hours of sunshine does Del Valle have in May?

In Del Valle, the average sunshine duration in May is 8.2h.

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Del Valle, TX

Average temperature in May - Del Valle, TX
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in May: 66°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

Average pressure in May
Del Valle, TX

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Del Valle, TX

Average wind speed in May - Del Valle, TX
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

Average humidity in May
Del Valle, TX

Average humidity in May - Del Valle, TX
  • Average humidity in May: 75%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).

Average rainfall in May
Del Valle, TX

Average rainfall in May - Del Valle, TX
  • Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Del Valle, TX

Average rainfall days in May - Del Valle, TX
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).

Average snowfall days in May
Del Valle, TX

Average snowfall days in May - Del Valle, TX
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

Average daylight in May /
Average sunshine in May
Del Valle, TX

Average daylight in May / Average sunshine in May - Del Valle, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in May
Del Valle, TX

Average sunshine days in May - Del Valle, TX
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in May
Del Valle, TX

Average UV index in May - Del Valle, 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).

Average cloud cover in May
Del Valle, TX

Average cloud cover in May - Del Valle, TX
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in May
Del Valle, TX

Average visibility in May - Del Valle, 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).

Del Valle, Texas, USA

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