July Weather in Marfa, United States

Last updated: February 24, 2025

In Marfa, United States, July unveils a tapestry of warmth and mild variability, with maximum temperatures soaring to 39°C (102°F) while the average rests comfortably at 26°C (79°F). Nights offer a refreshing contrast with temperatures dipping to a minimum of 16°C (61°F). Amidst the summer heat, residents and visitors can expect occasional rain, accumulating to 30 mm (1.2 in) over the month, often spread across seven days. The atmosphere carries a moderate humidity level of 70%, adding a touch of tropical essence to this arid landscape, making July in Marfa an intriguing blend of desert charm and fleeting summer showers.

July Temperature in Marfa

In July, Marfa, Texas, basks in the height of summer, showcasing temperatures that reflect its arid desert climate. With minimums averaging 16°C (61°F) and maximums soaring to 39°C (102°F), visitors can expect days filled with sunshine and warmth, perfect for exploring the area's unique art installations and serene landscapes. The average temperature settles at a comfortable 26°C (79°F), offering a pleasant reprieve during the evenings. This month marks a peak in temperature as Marfa transitions from the milder days of spring, making it essential for travelers to stay hydrated and embrace the heat while immersing themselves in the vibrant local culture. The trend of increasing warmth continues as the summer progresses, highlighting Marfa's distinctive allure under the sun.

July Weather in Marfa: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Marfa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec455159667479797873655548
Data source: Temperature data for Marfa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Marfa

In July, Marfa experiences a notable shift in its precipitation patterns, with 30 mm (1.2 in) of rainfall spread over 7 days. This marks a slight decrease from June's 31 mm, yet maintains a consistent trend of increased moisture as the summer progresses. The summer months of June and July together feature the highest precipitation levels compared to earlier in the year, suggesting a seasonal peak in rainfall that helps cool the arid landscape. Following July, August continues this trend with 40 mm of rain, indicating the importance of these months for replenishing local water sources and supporting the region's unique ecology.

July Precipitation Trends in Marfa

The chart displays monthly precipitation patterns in Marfa, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec13101212153130404721820
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Marfa

In Marfa, July sees humidity levels maintaining a comfortable 70%, consistent with the slightly higher readings from June. As the summer progresses, humidity dips from the year's peak in January at 76% but remains above the drier months of late winter and early spring, which record as low as 61% in April. As the year unfolds, humidity levels begin to rise again in the fall, peaking around November and December. This trend showcases Marfa's unique climate, where summer months feel warm yet balanced, giving residents and visitors alike a pleasant atmosphere despite the relentless Texas heat.

July Average Humidity in Marfa

This chart illustrates the average monthly humidity levels in Marfa, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%63%61%68%70%70%67%74%75%84%85%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Marfa

In July, Marfa, Texas, experiences a UV Index of 13, maintaining its position in the extreme exposure category, which means that even short sun exposure can lead to burns in just 10 minutes. This trend of elevated UV levels continues from earlier months, particularly April through June, showcasing an intense summer season where sun safety is paramount. While August and September follow closely behind with slightly lower indexes, the summer months demand vigilance against sun damage. To ensure safe enjoyment of the sunny outdoors, it's essential to stay informed about the UV Index. For more detailed information, check out Marfa UV Index.

Maximum UV Index Levels in Marfa for July

The chart shows the monthly maximum UV Index (UVI) for Marfa in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec6810131313131211975
Data source: Marfa July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Marfa

In Marfa, Texas, July shines as the pinnacle of sunshine, boasting an impressive 365 hours of glorious daylight. This peak follows a steady upward trend from the early months of the year, where sunlight gradually increases from 215 hours in January to a vibrant 359 hours in May. The transition into summer showcases a remarkable leap, with June holding strong at 355 hours before reaching the absolute zenith in July. Following this sun-kissed month, August retains a generous 345 hours, indicating that while July may claim the title of sunniest, the warmth lingers delightfully through the summer. As the year winds down, sunlight begins to wane, with September and October witnessing a gradual decline, drawing a clear contrast to the bright, sun-drenched days of mid-year.

Monthly Sunshine Duration in Marfa: July Highlighted

The July sunshine duration represents the total number of hours Marfa experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec215h248h295h320h359h355h365h345h303h294h266h262h
Data source: Marfa July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marfa During July

In Marfa, Texas, July presents a moderate chance of sunny weather at 65%, slightly lower than the peak months of January and March, which boast sunny chances of 74% and 75%, respectively. As summer progresses, the likelihood of sunshine tends to decline, making July a transitional month before the significant drop in sunny days seen in August, which hits 51%. This trend suggests that while July is generally bright, it falls short of the sun-soaked heights characteristic of early winter and spring. Overall, those seeking sunny days in Marfa during July can expect a fair mix of clear skies and occasional clouds, continuing the area's reputation for enjoying abundant sunshine, albeit with a hint of variability as summer wanes.

Percentage of Sunny Days in July in Marfa

The chart illustrates the percentage of sunny days in Marfa throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Marfa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec74%63%75%60%70%62%65%51%71%78%68%60%
Data source: Marfa July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marfa in July

In Marfa, Texas, July experiences an inviting 13 hours of daylight, maintaining the abundant sunshine from the previous month. This month marks a peak in daylight duration common in the summer, showcasing a transition from June's maximum of 14 hours. As the year progresses, daylight gradually wanes, revealing a consistent pattern where the days lengthen from the 10 hours at the start of the year in January to their zenith in June, before gently tapering off again. With August also offering 13 hours of daylight, the summer invites plenty of opportunities for outdoor adventures and stargazing in the clear West Texas skies.

Average Daylight Hours in Marfa for July

The chart illustrates the variation in daylight duration in Marfa throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 7m12h12h 55m13h 41m14h 3m13h 51m13h 10m12h 18m11h 23m10h 36m10h 12m
Data source: Marfa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Marfa

In July, Marfa experiences a notable dip in average wind speed, clocking in at just 3.3 m/s (7 mph). This marks a continuation of the downward trend seen since the breezier months of March and April, which boasted averages of 5.0 m/s (11 mph) and 4.7 m/s (10 mph) respectively. The summer months generally settle into a calmer pattern, with both July and August reflecting the year's lowest wind speeds, reinforcing a serene, sun-soaked atmosphere typical of the season. As the temperature rises, so does the stillness of the air, offering a stark contrast to the lively gusts of earlier in the year.

Average July Wind Speed in Marfa

The chart displays monthly wind speed patterns in Marfa, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.93.85.04.74.64.03.3 m/s3.03.23.63.33.8
Data source: Marfa July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Marfa Compares to Other Months

The weather in Marfa changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Marfa and find detailed weather information for every month.

July and January present starkly contrasting weather conditions. In July, temperatures soar with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at a scorching 39°C (102°F). This month also experiences relatively high humidity at 70% and light precipitation of 30 mm (1.2 in) over about 7 days. In contrast, January is marked by much cooler temperatures, with a minimum of -14°C (7°F), an average of 7°C (46°F), and a maximum of 25°C (77°F). Despite its chill, January has lower humidity at 76% and significantly less precipitation of just 13 mm (0.5 in) over only 2 days. To learn more about January weather specifics, visit Marfa weather in January.

July and February present strikingly contrasting weather patterns. In July, temperatures soar with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at a scorching 39°C (102°F). This month also experiences a moderate amount of precipitation at 30 mm (1.2 in) over about 7 days, accompanied by a humidity level of 70%. In contrast, February brings a much colder climate, with temperatures ranging from a frigid minimum of -14°C (7°F) to an average of 10°C (51°F) and a maximum of 29°C (84°F). Precipitation is significantly lower at 10 mm (0.4 in) over just 2 days, and humidity remains relatively high at 74%. For more detailed insights, you can check Marfa weather in February.

July and March present a striking contrast in weather conditions. In July, temperatures soar with an average of 26°C (79°F) and maximums reaching a sweltering 39°C (102°F), accompanied by high humidity levels of 70%. On the other hand, March experiences a much cooler climate, with average temperatures at 15°C (59°F) and a peak of 32°C (90°F). Additionally, March sees significantly less precipitation, with just 12 mm (0.5 in) over one day, compared to July's 30 mm (1.2 in) across seven days. For a detailed look at how the weather unfolds in March, you can visit Marfa weather in March.

When comparing the weather in July and April, it's evident that July experiences significantly warmer temperatures, with daily averages reaching up to 26°C (79°F) and maximums soaring to 39°C (102°F). In contrast, April's temperatures are much cooler, averaging 19°C (67°F) and peaking at 33°C (91°F). Additionally, July has considerably higher humidity at 70%, which can make the heat feel even more oppressive, compared to April's more moderate humidity of 61%. Precipitation also varies, with July seeing about 30 mm (1.2 in) over 7 days, while April has a much lighter rainfall of only 12 mm (0.5 in) over just 2 days. For more detailed insights, you can visit Marfa weather in April.

When comparing the weather in July and May, a clear contrast emerges in both temperature and precipitation. July boasts a higher minimum temperature of 16°C (61°F) and an average of 26°C (79°F), reaching up to a scorching maximum of 39°C (102°F). In contrast, May starts cooler with a minimum of 3°C (37°F) but maintains a pleasant average of 24°C (75°F) and peaks at 37°C (99°F). Despite July's warmer atmosphere, it experiences more precipitation, totaling 30 mm (1.2 in) over 7 days, compared to May's 15 mm (0.6 in) across just 3 days. Humidity levels are relatively similar, with July at 70% and May at 68%. For more detailed insights into May's weather, you can check Marfa weather in May.

In comparing the weather of July and June, we see that both months experience similar temperature ranges, with July having slightly higher minimum and average temperatures. July’s minimum temperature is 16°C (61°F), while June’s is a cooler 13°C (56°F). Both months share the same maximum temperature of 39°C (102°F) but differ slightly in precipitation, with July receiving 30 mm (1.2 in) compared to June's 31 mm (1.2 in), although both had rainfall on about 7 days. Interestingly, the humidity remains consistent at 70% for both months, providing a similar level of muggy discomfort. For a more detailed look at June weather, visit Marfa weather in June.

In comparing the weather between July and August, we observe that both months have similar average temperatures, hovering around 26°C (79°F). However, July experiences slightly higher extremes, with a minimum temperature of 16°C (61°F) and a maximum of 39°C (102°F), compared to August's 13°C (57°F) minimum and 38°C (100°F) maximum. Precipitation also increases in August, with 40 mm (1.6 in) of rain recorded over 9 days, compared to July's 30 mm (1.2 in) over 7 days. Humidity levels remain relatively close, with July at 70% and August slightly lower at 67%. For more details on August weather, you can visit Marfa weather in August.

In July, the weather is typically hot, with average temperatures around 26°C (79°F) and maximum highs reaching up to 39°C (102°F). The month experiences relatively low precipitation at 30 mm (1.2 in) over 7 days, but high humidity levels at 70% can make the heat feel more intense. In contrast, September brings cooler temperatures, with averages dropping to 23°C (73°F) and maximums around 35°C (95°F). This month sees slightly higher precipitation, totaling 47 mm (1.9 in) over 8 days, along with a slight increase in humidity to 74%. For more details on September's climate, you can visit Marfa weather in September.

July and October present contrasting weather patterns. In July, temperatures soar with a minimum of 16°C (61°F) and can reach up to a scorching 39°C (102°F), averaging around 26°C (79°F). The month experiences about 30 mm (1.2 in) of precipitation over 7 days, coupled with a humidity level of 70%, which can make the heat feel even more intense.

In comparison, October brings a notable drop in temperature, with minimums dipping to -5°C (24°F) and a maximum of 32°C (90°F), resulting in a milder average of 18°C (65°F). Precipitation in October is lower at 21 mm (0.8 in) over just 4 days, while humidity rises slightly to 75%, adding a crispness to the air. For more detailed information, you can check out Marfa weather in October.

July and November present striking contrasts in weather conditions. In July, temperatures soar with a minimum of 16°C (61°F) and maximum highs reaching up to 39°C (102°F), accompanied by a warm average of 26°C (79°F). Humidity is moderately high at 70%, and the month experiences around 30 mm (1.2 in) of precipitation over roughly 7 days. In stark contrast, November brings cooler temperatures, with a minimum dipping to -6°C (21°F) and a pleasant average of 13°C (56°F). The maximum temperature does not exceed 28°C (82°F), and humidity rises to 84%. Rainfall is minimal, totaling only 8 mm (0.3 in) over just 2 days. For more detailed information on November weather, you can check Marfa weather in November.

In July, the weather is characterized by warm and humid conditions, with temperatures ranging from a minimum of 16°C (61°F) to a sweltering maximum of 39°C (102°F) and an average of 26°C (79°F). With about 30 mm (1.2 in) of precipitation over roughly 7 days, summer showers are relatively common. In contrast, December brings much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 25°C (77°F), averaging around 9°C (49°F). Precipitation decreases to 20 mm (0.8 in) over just 2 days, while humidity remains high at 85%. For more detailed insights into December conditions, you can visit Marfa weather in December.

Compare Marfa's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Marfa

July in Marfa brings a stark transformation compared to the milder months of spring and early summer. With its peak temperatures soaring to a scorching 39°C (102°F), residents and visitors alike experience a significant rise in heat, making outdoor activities best suited for early mornings or late evenings. The average temperature hovers around a warm 26°C (79°F), offering a respite from the intense midday sun. Though July may seem dry, it does bring with it a few days of rainfall, totaling about 30 mm (1.2 in) over approximately 7 days, making humidity levels climb to 70% and adding a tropical flair to the arid climate. For those eager to learn more about what to expect throughout the year, be sure to check out Marfa Climate.