May weather forecast
Alamo Heights, TX

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Weather in May

May, the last month of the spring in Alamo Heights, is another warm month, with an average temperature ranging between max 85.1°F (29.5°C) and min 66.7°F (19.3°C).

Temperature

The commencement of May sees a minor shift in the average high-temperature, moving from a moderately hot 79°F (26.1°C) in April to a still warm 85.1°F (29.5°C). An average low-temperature of 66.7°F (19.3°C) marks the month of May in Alamo Heights, Texas.

Heat index

The heat index for May is computed to be a very hot 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The most humid month in Alamo Heights is May, with an average relative humidity of 73%.

Rainfall

May is the month with the most rainfall in Alamo Heights. Rain falls for 18 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

In Alamo Heights, snow does not fall in March through December.

Daylight

In May, the average length of the day in Alamo Heights is 13h and 38min.
On the first day of the month, sunrise is at 6:50 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:34 am and sunset at 8:28 pm CDT.

Sunshine

The average sunshine in May is 7.8h.

UV index

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot is it in Alamo Heights in May?

During May, Alamo Heights experiences an average high-temperature of 85.1°F (29.5°C) and a low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in May is computed to be 95°F (35°C).

What is the most humid month in Alamo Heights?

May is the most humid month, with an average relative humidity of 73%.

What is the average humidity in May in Alamo Heights?

In May, the average relative humidity in Alamo Heights is 73%.

What is the rainiest month in Alamo Heights?

The month with the most rainfall in Alamo Heights is May, when the rain falls for 18 days and typically aggregates up to 3.78" (96mm) of precipitation.

How many days does it rain in May in Alamo Heights?

In Alamo Heights, in May, during 18 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

When it does not snow in Alamo Heights?

March through December are months without snowfall in Alamo Heights, Texas.

How many hours of daylight does Alamo Heights have in May?

The average day length in May in Alamo Heights is 13h and 38min.

When are sunrise and sunset in May in Alamo Heights?

On the first day of May in Alamo Heights, sunrise is at 6:50 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 8:28 pm CDT.

How long on average sun shines in May in Alamo Heights?

In Alamo Heights, the average sunshine duration in May is 7.8h.

What is the UV index reading in May in Alamo Heights?

The average daily maximum UV index in May in Alamo Heights, Texas, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Alamo Heights, TX

Average temperature in May - Alamo Heights, TX
  • Average high temperature in May: 85.1°F

The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (61.2°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure in May
Alamo Heights, TX

Average pressure in May - Alamo Heights, TX
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Alamo Heights, TX

Average wind speed in May - Alamo Heights, TX
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are February, March, April and May (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).

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Average humidity in May
Alamo Heights, TX

Average humidity in May - Alamo Heights, TX
  • Average humidity in May: 73%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in May
Alamo Heights, TX

Average rainfall in May - Alamo Heights, 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 (0.94").

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Average rainfall days in May
Alamo Heights, TX

Average rainfall days in May - Alamo Heights, TX
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and August (9.3 days).

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Average snowfall in May
Alamo Heights, TX

Average snowfall in May - Alamo Heights, 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").

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Average snowfall days in May
Alamo Heights, TX

Average snowfall days in May - Alamo Heights, TX
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.4 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
Alamo Heights, TX

Average daylight in May / Average sunshine in May - Alamo Heights, 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).

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Average sunshine days in May
Alamo Heights, TX

Average sunshine days in May - Alamo Heights, TX
  • Average sunshine days in May: 10.2 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (10.2 days).

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Average UV index in May
Alamo Heights, TX

Average UV index in May - Alamo Heights, 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
Alamo Heights, TX

Average cloud cover in May - Alamo Heights, 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).

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Average visibility in May
Alamo Heights, TX

Average visibility in May - Alamo Heights, 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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Alamo Heights, Texas, USA

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