May weather forecast
Alpine, TX

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The vast city of Alpine, Texas, with a view of the iconic Sul Ross State University in Brewster County
The vast city of Alpine, Texas, with a view of the iconic Sul Ross State University in Brewster County

Weather in May

As the heat of the summer approaches, May experiences significant changes in Alpine, Texas. Residents can enjoy extended hours of sunshine and daylight, indicative of the evolving weather patterns. The UV index reaches a high during this month, reminding residents to carry their sunscreen. Along with these changes, the city receives more rainfall, averaging about 0.98" (25mm), the highest until this point in the year. Despite this, it maintains a relatively low percentage of cloud cover, ensuring mostly clear skies.

Temperature

The shift from April to May in Alpine introduces a subtle increase in the average high-temperature, moving from 77.2°F (25.1°C) to a still warm 83.7°F (28.7°C). Alpine, after hot May days, encounters a marked drop to an average nighttime temperature of 60.8°F (16°C).

Humidity

In Alpine, the average relative humidity in May is 34%.

Rainfall

In Alpine, during May, the rain falls for 7.6 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Alpine, during the entire year, the rain falls for 87.6 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

In Alpine, snow does not fall in April through September.

Daylight

In May, the average length of the day in Alpine is 13h and 42min.
On the first day of May in Alpine, sunrise is at 7:10 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:51 pm CDT.

Sunshine

In Alpine, the average sunshine in May is 10.7h.

UV index

May through July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot does it get in Alpine in May?

In Alpine, 83.7°F (28.7°C) is the average high-temperature and 60.8°F (16°C) is the average low-temperature during May.

What is the average humidity in May in Alpine?

In Alpine, the average relative humidity in May is 34%.

How many days does it rain in May in Alpine?

In Alpine, during May, the rain falls for 7.6 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow in Alpine?

In Alpine, Texas, snow does not fall in April through September.

What is the average length of the day in May in Alpine?

In May, the average day length is 13h and 42min.

What time are sunrise and sunset in May in Alpine?

On the first day of May in Alpine, Texas, sunrise is at 7:10 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:51 pm CDT.

How long on average sun shines in May in Alpine?

In May, the average sunshine duration is 10.7h.

What is the month with the highest UV index in Alpine?

The months with the highest UV index in Alpine are May through July, with an average maximum UV index of 7.

What is the UV index intensity in May in Alpine?

In Alpine, Texas, the average daily maximum UV index in May is 7. 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Alpine, TX

Average temperature in May - Alpine, TX
  • Average high temperature in May: 83.7°F

The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in May: 60.8°F

The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in May
Alpine, TX

Average pressure in May - Alpine, TX
  • Average pressure in May: 29.84"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.84"Hg).

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Average wind speed in May
Alpine, TX

Average wind speed in May - Alpine, TX
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in May
Alpine, TX

Average humidity in May - Alpine, TX
  • Average humidity in May: 34%

The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (29%).

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Average rainfall in May
Alpine, TX

Average rainfall in May - Alpine, TX
  • Average rainfall in May: 0.98"

The wettest month (with the highest rainfall) is September (2.01").
The driest month (with the least rainfall) is February (0.2").

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Average rainfall days in May
Alpine, TX

Average rainfall days in May - Alpine, TX
  • Average rainfall days in May: 7.6 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in May
Alpine, TX

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

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in May
Alpine, TX

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

The month with the highest number of snowfall days is December (1.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Alpine, 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: 10h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

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Average sunshine days in May
Alpine, TX

Average sunshine days in May - Alpine, TX
  • Average sunshine days in May: 19.4 days

The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in May
Alpine, TX

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

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

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Average cloud cover in May
Alpine, TX

Average cloud cover in May - Alpine, TX
  • Average cloud cover in May: 13

The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in May
Alpine, TX

Average visibility in May - Alpine, 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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Alpine, Texas, USA

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