May weather forecast
Spring Branch, TX

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Weather in May

May, the last month of the spring in Spring Branch, is also a moderately hot month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 83.1°F (28.4°C).

Temperature

As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from 77°F (25°C) to a still warm 83.1°F (28.4°C). Nighttime temperatures hover around an average low of 65.7°F (18.7°C) in May.

Heat index

During May, the heat index is estimated at a tropical 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The most humid month in Spring Branch is May, with an average relative humidity of 76%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.6 days and accumulates 4.29" (109mm) of precipitation.

Snowfall

March through December are months without snowfall in Spring Branch.

Daylight

The average length of the day in May in Spring Branch, Texas, is 13h and 40min.
On the first day of May in Spring Branch, sunrise is at 6:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:29 pm CDT.

Sunshine

The average sunshine in May in Spring Branch is 7.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 6 during May morphs into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May in Spring Branch?

In Spring Branch, in May, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in May is estimated at 89.6°F (32°C).

What is the most humid month in Spring Branch?

The most humid month is May, with an average relative humidity of 76%.

What is the average humidity in May in Spring Branch?

The average relative humidity in May is 76%.

What is the wettest month in Spring Branch?

The month with the most rainfall in Spring Branch, Texas, is May, when the rain falls for 17.6 days and typically aggregates up to 4.29" (109mm) of precipitation.

How many days does it rain in May in Spring Branch?

In Spring Branch, Texas, during May, the rain falls for 17.6 days and regularly aggregates up to 4.29" (109mm) of precipitation.

When it does not snow in Spring Branch?

March through December are months without snowfall in Spring Branch.

What is the average length of the day in May in Spring Branch?

In Spring Branch, the average day length in May is 13h and 40min.

When is the sunrise / sunset in May in Spring Branch?

On the first day of May in Spring Branch, sunrise is at 6:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:29 pm CDT.

How long on average sun shines in May in Spring Branch?

In May, the average sunshine duration in Spring Branch, Texas, is 7.9h.

What is the UV index reading in May in Spring Branch?

The average daily maximum UV index in May in Spring Branch is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Spring Branch, TX

Average temperature in May - Spring Branch, TX
  • Average high temperature in May: 83.1°F

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in May: 65.7°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in May
Spring Branch, TX

Average pressure in May - Spring Branch, 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
Spring Branch, TX

Average wind speed in May - Spring Branch, TX
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

Average humidity in May
Spring Branch, TX

Average humidity in May - Spring Branch, TX
  • Average humidity in May: 76%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (62%).

Average rainfall in May
Spring Branch, TX

Average rainfall in May - Spring Branch, TX
  • Average rainfall in May: 4.29"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in May
Spring Branch, TX

Average rainfall days in May - Spring Branch, TX
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in May
Spring Branch, TX

Average snowfall in May - Spring Branch, TX
  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Spring Branch, TX

Average snowfall days in May - Spring Branch, 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 and October (0 days).

Average daylight in May /
Average sunshine in May
Spring Branch, TX

Average daylight in May / Average sunshine in May - Spring Branch, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Spring Branch, TX

Average sunshine days in May - Spring Branch, TX
  • Average sunshine days in May: 10 days

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is May (10 days).

Average UV index in May
Spring Branch, TX

Average UV index in May - Spring Branch, 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
Spring Branch, TX

Average cloud cover in May - Spring Branch, TX
  • Average cloud cover in May: 47

The months with the most cloud cover are March and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in May
Spring Branch, TX

Average visibility in May - Spring Branch, 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).

Spring Branch, Texas, USA

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