Climate and monthly 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

The climate of Alpine

Located in Texas, USA, the city of Alpine lies within the mid-latitude steppe region, as classified by the Köppen climate classification. This classification, denoted as BSk, primarily signifies conditions influence the semi-arid climate.

Throughout the year, the weather in Alpine manifests an ample variation in diverse parameters. The average high temperature tends to scale from a mild 56.8°F (13.8°C) in January to a warm 90°F (32.2°C) in June. Conversely, the average low temperature shifts between a cooler 37.4°F (3°C) in January to a rather mellow 69.4°F (20.8°C) from July to August. The relative humidity in Alpine follows a similar pattern, starting at 44% in January and dipping to 29% in April before peaking at 56% in September.

Rainfall in Alpine fluctuates throughout the year, with the maximum amount of rainfall recorded at 2.01" (51mm) in September. The least amount of rainfall, 0.2" (5mm), is witnessed in February. Remarkably, snowfall occurs from November to February, with the most significant being 0.67" (17mm) in January.

The best time to visit Alpine

Considering weather and climate conditions, the best time to visit Alpine is between April and June. During these months, temperatures typically range from a mild 70.5°F (21.4°C) to a warm 90°F (32.2°C), offering pleasant weather for outdoor activities. Also, the hours of daylight are long, ranging from 12 hours in April to a maximum of 14.1 hours in June. Coupled with low humidity of around 33% to 41% and minimal rainfall, these conditions make it an ideal time for outdoor sightseeing and various events.

The worst time to visit Alpine

January and February present the most challenging weather conditions in Alpine. The temperatures during this period drop to an average low of 37.4°F (3°C) to 41.5°F (5.3°C). Also, snowfall is a common phenomenon during these winter months, with an average of 0.67" (17mm) in January and 0.31" (8mm) in February. Consequently, cold weather and snow may hamper outdoor activities and travel plans.

Spring weather in Alpine

Spring weather in Alpine is generally mild and comfortable. From March to May, the temperatures steadily increase from an average high of 70.5°F (21.4°C) to 83.7°F (28.7°C). The average low temperatures during the same period range from 48.4°F (9.1°C) to 60.8°F (16°C). With the average sunshine hours increasing from 9.4 hours to 10.7 hours, the conditions are perfect for outdoor activities.

Summer weather in Alpine

Alpine experiences a relatively hot summer from June to August. The average high temperature peaks at 90°F (32.2°C) in June, slightly dropping to 88°F (31.1°C) in August. However, humidity is also at its peak during these months, increasing from 41% in June to a yearly high of 47% in July. Rainfall is relatively high, making it the wettest period in Alpine.

Autumn weather in Alpine

In autumn, from September to November, Alpine's weather gradually cools down. The average high temperatures decrease from 81.1°F (27.3°C) to 64.8°F (18.2°C), while the low temperatures also drop from 63.3°F (17.4°C) to 44.4°F (6.9°C). Despite this, the relative humidity stays quite high at around 50%, and there is a slight increase in rainfall.

Winter weather in Alpine

Winter in Alpine commences in December and lasts until February. During this period, temperatures plummet to an average low of 39.4°F (4.1°C) in December while the average high temperature is 57.7°F (14.3°C). Notably, with minimal daylight hours of 10.2 hours in December, the weather conditions may be quite harsh. Also, January witnesses the most substantial snowfall of 0.67" (17mm).

Weather in January

A pristine winter atmosphere carries the weather into the New Year in Alpine, Texas. Raw, unadulterated clarity defines the view, with visibility consistently at six miles throughout the month. In a stark contrast, the UV index remains relatively low, allowing residents to conveniently move around during midday. Weather in January »

Weather in February

As the year advances, the weather in February witnesses some subtle climatic shifts. More hours of daylight and sunshine gradually combats the chilly winter, patiently preparing the city for spring. The wind speed follows a similar trend, increasing slightly from January. Weather in February »

Weather in March

The weather in Alpine Texas in March begins to reveal indications of spring, offering a pleasant hiatus from the cold months. Blue skies dominate throughout the month, gradually replacing the cloudy winter skies. The slightly warmer temperatures are consistent with the retreating snowy conditions, leaving behind only a trace of 0.04" (1mm) in March. Weather in March »

Weather in April

The reshaping climate continues its steady course in April. Signs of blooming flowers across the city signal the advent of a warmer climate. The UV index increases from March, leading to a noticeable difference in the intensity of the sun. Weather in April »

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. Weather in May »

Weather in June

Summer presents itself in full swing during June, with shining skies and hot temperatures. The city of Alpine experiences the longest days of the year during this month. With the overall temperatures peaking, the city also experiences its highest level of rainfall, reaching approximately 1.46" (37mm). Weather in June »

Weather in July

July comes into play showcasing the highest average temperatures, a characteristic of peak summer in Alpine, Texas. The month observes a bit of a flux in weather patterns - some days receive healthy sunshine, while others experience rainfall. Weather in July »

Weather in August

The weather in August does not offer many dramatic changes from July. The temperature remains quite warm, as expected during the end of summer. Notably, the wind speed decrease is consistent with the receding summer months. However, rainfall takes a slight downfall from 1.65" (42mm) to 1.5" (38mm), but the humidity levels remain stagnant. Weather in August »

Weather in September

September signals the starting of the fall season, showcasing the transformation from summer to cooler months. The month experiences a drop in temperatures and hours of daylight, indicating the approach of autumn. A noticeable surge in rainfall, reaching an annual high of 2.01" (51mm), brings along the typical fall weather. Weather in September »

Weather in October

October, in Alpine, Texas, truly ushers in the spirit of autumn. The drop in temperature is more pronounced, as is the decrease in hours of daylight. The weather sees a significant drop in rainfall from the September high, settling around 0.79" (20mm), indicative of the dry season ahead. Weather in October »

Weather in November

November continues the trend of falling temperatures as Alpine, Texas, prepares itself for winter. As temperatures decrease and daylight hours shorten, snow begins to make an appearance once again. A clear difference can be observed in rainfall which drops to 0.47" (12mm) from October, marking the onset of winter. Weather in November »

Weather in December

Finally, December brings the full brunt of winter to Alpine. The weather showcases the coldest temperatures, the shortest days and the long nights that mark this time of year. A notable change from November is the heightened amount of snowfall, reaching up to 0.47" (12mm). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Alpine?

Alpine's January weather, with an average high temperature of 56.8°F (13.8°C) and an average low temperature of 37.4°F (3°C), tends to be the coldest of the year.

How much does it rain in Alpine?

Throughout the year, in Alpine, Texas, there are 87.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

When does it snow in Alpine?

Months with snowfall in Alpine are January through March, October through December.

What is the snowiest month in Alpine?

The month with the most snowfall in Alpine, Texas, is January, when snow falls for 1.4 days and typically aggregates up to 0.67" (17mm) of snow.

How much does it snow in Alpine?

Throughout the year, in Alpine, Texas, there are 4.7 snowfall days, and 2.2" (56mm) of snow is accumulated.

What are the months with the lowest UV index in Alpine?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the driest month in Alpine?

February is the month with the least rainfall in Alpine, Texas. Rain falls for 2.2 days and accumulates 0.2" (5mm) of precipitation.

When is Daylight Saving Time (DST) in Alpine?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alpine, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Alpine?

April is the least humid month, with an average relative humidity of 29%.

When it does not snow in Alpine?

April through September are months without snowfall in Alpine.

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

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

What is the warmest month in Alpine?

June, on average, is the warmest month in Alpine, Texas, registering a high temperature of 90°F (32.2°C) and a low of 68.5°F (20.3°C).

When are the longest days in Alpine?

With an average of 14h and 6min of daylight, June has the longest days of the year in Alpine, Texas.

What month has the most sunshine in Alpine?

June has the most sunshine of the year in Alpine, Texas, with an average of 11.9h of sunshine.

What is the most humid month in Alpine?

September is the most humid month, with an average relative humidity of 56%.

What is the wettest month in Alpine?

September is the month with the most rainfall in Alpine, Texas. Rain falls for 14 days and accumulates 2.01" (51mm) of precipitation.

What is the month with the shortest days in Alpine?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Alpine.

What is the month with the least sunshine in Alpine?

December has the least sunshine of the year, with an average of 7.7h of sunshine.

Average temperature
Alpine, TX

Average temperature - Alpine, TX

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).

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
Alpine, TX

Average pressure - Alpine, TX

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
Alpine, TX

Average wind speed - Alpine, TX

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 rainfall
Alpine, TX

Average rainfall - Alpine, TX

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
Alpine, TX

Average rainfall days - Alpine, TX

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
Alpine, TX

Average snowfall - Alpine, TX

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
Alpine, TX

Average snowfall days - Alpine, TX

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 / Average sunshine
Alpine, TX

Average daylight / Average sunshine - Alpine, TX

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).

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
Alpine, TX

Average sunshine days - Alpine, TX

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 visibility
Alpine, TX

Average visibility - Alpine, TX

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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