Climate and monthly weather forecast
Guadalupe Mountains National Park, TX

Situated in the state of Texas, USA, Guadalupe Mountains National Park is recognised by a mid-latitude desert climate or BWk according to the Köppen climate classification system. A distinct feature of this classification is aridity and minimal annual precipitation.

Interestingly, the region experiences a significant disparity in the yearly temperature range. The average highs fluctuate from 53.7°F (12.1°C) in January, reaching up to 87.1°F (30.6°C) in June, and declining to 84.1°F (28.9°C) by August. Meanwhile, lows hover around 31.7°F (-0.2°C) in January, transitioning to an average of 63.4°F (17.4°C) in July, followed by a gradual decrease to 31.1°F (-0.5°C) by December.

Rainfall also faces a steady variation throughout the year. The months of July and August record the maximum annual rainfall, measuring 3.3" (84mm) and 3.6" (91mm) respectively. January, February, and March exhibit lower precipitation levels, averaging at 0.7" (18mm). The daylight hours, on the other hand, demonstrate a conventional pattern. The longest sunlight exposure occurs in June with an average of 14.2 hours, and it dwindles to the shortest in December, lasting approximately 10.1 hours.

Considering the climatic patterns and weather stability, the most appealing time for tourists to visit Guadalupe Mountains National Park would be between May and June. During this period, the average high temperatures float from 70.2°F (21.2°C) up to 87.1°F (30.6°C), providing a warm and inviting atmosphere. The low temperatures range between 55.6°F (13.1°C) in May to 62.5°F (16.9°C) in June, further enhancing the comfort level especially during nights. Daylight hours extend from 13 hours to around 14.2 hours, allowing ample time for exploration.

On the contrary, planning a trip during the later half of summer and early fall may not be advisable. Particularly, from July to September, the region experiences the highest rainfall of the year. With a recorded precipitation of 3.3" (84mm) in July, 3.6" (91mm) in August and 2.7" (69mm) in September, these months tend to have higher humidity and more frequent rain showers.

As spring graces the Guadalupe Mountains National Park, the temperatures consistently rise. Commencing from 39°F (3.9°C) in March, average lows surge to 46.3°F (7.9°C) in April and 55.6°F (13.1°C) in May. Concurrently, high temperatures ascend from a moderate 62.7°F (17.1°C) to an appealing 78.5°F (25.8°C). Rainfall, meanwhile, retains a stable measure from 0.7 to 1.1" (28mm), minimal enough not to adversely impact visitor comfort.

Summer brings stretching daylight hours and increasing temperatures to this national park. The daylight duration extends up to 14.2 hours in June, gradual fall to 13.3 hours in August. The average high temperatures hover between 87.1°F (30.6°C) in June and 84.1°F (28.9°C) in August. Low temperatures remain steady, offering a mild range from 62.5°F (16.9°C) to 62.4°F (16.9°C) across the entire season.

Autumn ushers a noticeable change in Guadalupe Mountains National Park's weather, with decreasing temperatures and diminishing daylight hours. The average highs recede from 79°F (26.1°C) in September to 60.9°F (16.1°C) by November. Simultaneously, lows drop from 57.5°F (14.2°C) in September to a chilly 39.1°F (3.9°C) by November. Meanwhile, daylight hours retract from 12.3 hours to approximately 10.5 hours.

In the winter months, the park experiences steeper drops in temperatures. December's high averages at 53.2°F (11.8°C), and it dips to a consistent low of 31.1°F (-0.5°C). January and February follow suit, containing high temperatures within the range of 53.7°F (12.1°C) to 56°F (13.3°C) and lows between 31.7°F (-0.2°C) to 34.7°F (1.5°C). Rainfall during this season stays at a stable rate around 1 in December, slightly decreasing to 0.7" (18mm) by February.

The beginning of a new year in Guadalupe Mountains National Park sees frigid temperatures. The average low temperature during this month plunges to a chilling 31.7°F (-0.2°C), signally the height of winter. Although cooler than the following months, it sets up a serene, winter wonderland atmosphere, attracting tourists who savor the frigid climate. Weather in January »

As the calendar turns to February, a slight increase in temperature occurs in Guadalupe Mountains National Park. Following January, the month of February experiences a modest rise in average high temperatures from 53.7°F (12.1°C) to 56°F (13.3°C). Weather in February »

As spring begins to gently stir in Guadalupe Mountains National Park, March sees a soft rise in temperatures. The average high temperature peaks at 62.7°F (17.1°C), providing a smoother transition from the biting winter. This month is ideal for visitors who prefer milder weather conditions. Weather in March »

April in Guadalupe Mountains National Park brings warmer days and longer daylight hours. A marked difference is seen in temperatures from the previous month, with average high climbing to 70.2°F (21.2°C). This month brings invigorating weather that animates the landscape, coaxing more life into the park’s vegetation. Weather in April »

May is when warmth truly settles in Guadalupe Mountains National Park. Rising temperatures see highs reaching an average of 78.5°F (25.8°C), marking the onset of the hot season. With the arrival of these hotter temperatures, more animal activity becomes visible throughout the park. Weather in May »

June paves the way for summer to take reign in Guadalupe Mountains National Park. The temperature rises to the year's highest average high of 87.1°F (30.6°C), signifying the peak of summer. Alongside the temperature, the rainfall also sees a significant increase, averaging about 1.6" (41mm), providing a reprieve from the heat. Weather in June »

July is when rainfall becomes a significant feature of the weather at Guadalupe Mountains National Park. It's during this month that the park observes the highest average rainfall of the year, measuring 3.3" (84mm). Despite this, the high temperatures remain around 86.2°F (30.1°C), ensuring the sustained summer feel. Weather in July »

August in Guadalupe Mountains National Park is characterized by a slight decrease in high temperatures and an increase in rainfall. After July's peak, August sees a slight fall in temperature to an average high of 84.1°F (28.9°C), yet a rise in rainfall to 3.6" (91mm). Weather in August »

As summer begins to fade in Guadalupe Mountains National Park, September brings moderate weather. High temperatures descend to a comfortable average of 79°F (26.1°C). As the park transitions into the fall season, the rainfall starts to decrease, averaging 2.7" (69mm). Weather in September »

Weatherwise, October in Guadalupe Mountains National Park marks the beginning of cooler days. The average high drops to 71.9°F (22.2°C), offering a crisp contrast to the balmy September. Despite the colder air, rainfall reduces significantly, providing clear, beautiful skies for sightseeing and explorations. Weather in October »

November witnesses the unfolding of winter in Guadalupe Mountains National Park. The average high decelerates to 60.9°F (16.1°C), indicating the arrival of colder days. Those who enjoy a chiller ambience will find November a great time to visit the park. Weather in November »

December marks the closure of the year with the return of subfreezing temperatures in Guadalupe Mountains National Park. The average high is again on the lower side, settling at 53.2°F (11.8°C), as rainfall also diminishes to a mere 1 inch. Weather in December »