May weather forecast
New Braunfels, TX

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Rocks and scenic trees along both side of the shores on the calm Guadalupe River in New Braunfels, Texas
Rocks and scenic trees along both side of the shores on the calm Guadalupe River in New Braunfels, Texas

Weather in May

In May, New Braunfels starts experiencing the true onset of summer, spurred by increased temperatures and extended daylight. A substantial leap in temperatures is observed as they can rise to a significant average high of 83.8°F (28.8°C). The month proceeds with an increasing number of sunshine hours, underscoring the longer days and shorter nights typical of this period. Adding to the mix, the wind speed shows a mild decline as compared to the gustier weather of the earlier months. As May concludes, the residents gear up for the height of summer that June brings along.

Temperature

The onset of May in New Braunfels brings a minor temperature shift, with the average high-temperature moving from 78.3°F (25.7°C) in April to a still warm 83.8°F (28.8°C). Nighttime temperatures hover around an average low of 65.8°F (18.8°C) in May.

Heat index

For most parts of May, the heat index is evaluated at a hot 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

With an average relative humidity of 77%, May is the most humid month in New Braunfels.

Rainfall

May is the month with the most rainfall. Rain falls for 10.2 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

In New Braunfels, snow does not fall in April through December.

Daylight

In New Braunfels, the average length of the day in May is 13h and 39min.
On the first day of the month, sunrise is at 6:49 am and sunset at 8:09 pm. On the last day of May, sunrise is at 6:32 am and sunset at 8:28 pm CDT.

Sunshine

In May, the average sunshine is 7.8h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot does it get in New Braunfels in May?

New Braunfels in May has an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the most humid month?

With an average relative humidity of 77%, May is the most humid month.

What is the average humidity in May?

The average relative humidity in May is 77%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 10.2 days and typically aggregates up to 1.38" (35mm) of precipitation.

How much does it rain in May?

In New Braunfels, during May, the rain falls for 10.2 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow?

In New Braunfels, snow does not fall in April through December.

What is the average length of the day in May?

In May, the average day length is 13h and 39min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:49 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:28 pm CDT.

How many hours of sunshine does New Braunfels have in May?

In New Braunfels, the average sunshine duration in May is 7.8h.

What is the month with the highest UV index in New Braunfels?

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?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents 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
New Braunfels, TX

Average temperature in May - New Braunfels, TX
  • Average high temperature in May: 83.8°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 (60.3°F).

  • Average low temperature in May: 65.8°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

Average pressure in May
New Braunfels, TX

Average pressure in May - New Braunfels, TX
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
New Braunfels, TX

Average wind speed in May - New Braunfels, TX
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).

Average humidity in May
New Braunfels, TX

Average humidity in May - New Braunfels, TX
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).

Average rainfall in May
New Braunfels, TX

Average rainfall in May - New Braunfels, TX
  • Average rainfall in May: 1.38"

The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.2").

Average rainfall days in May
New Braunfels, TX

Average rainfall days in May - New Braunfels, TX
  • Average rainfall days in May: 10.2 days

The month with the highest number of rainy days is September (12.1 days).
The month with the least rainy days is January (4.9 days).

Average snowfall days in May
New Braunfels, TX

Average snowfall days in May - New Braunfels, TX
  • Average snowfall days in May: 0 days

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

Average daylight in May /
Average sunshine in May
New Braunfels, TX

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

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

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in May
New Braunfels, TX

Average sunshine days in May - New Braunfels, TX
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (15.3 days).

Average UV index in May
New Braunfels, TX

Average UV index in May - New Braunfels, 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
New Braunfels, TX

Average cloud cover in May - New Braunfels, TX
  • Average cloud cover in May: 48

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in May
New Braunfels, TX

Average visibility in May - New Braunfels, 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).

New Braunfels, Texas, USA

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