Last updated: February 24, 2025
July in the Grand Canyon, United States brings record-high temperatures, with maximums soaring up to 40°C (105°F) and an average temperature of 26°C (80°F), making it a hot, sun-soaked destination for adventure seekers. Despite the warmth, nights offer a reprieve, dropping to a pleasant 13°C (56°F). This month experiences minimal precipitation, totaling just 24 mm (1.0 in) over approximately 7 days, and the air remains relatively dry with humidity around 33%. Visitors are encouraged to stay hydrated and protect themselves from the sun while enjoying the breathtaking views and unique landscapes the canyon has to offer.
In July, the Grand Canyon basks in the height of summer, offering warm temperatures that invite exploration. The minimum temperature hovers around 13°C (56°F), while the average climbs to a pleasant 26°C (80°F). However, the real highlight is the maximum, soaring to an impressive 40°C (105°F), perfect for those who enjoy the heat. This trend of rising temperatures from June's already warm averages demonstrates the region's distinct seasonal variation, transitioning from the cooler months to sweltering summer days. Visitors should prepare for both the sun-drenched afternoons and cooler evenings, making July one of the most vibrant times to experience the canyon's breathtaking landscapes.
In July, the Grand Canyon experiences a noticeable increase in precipitation, recording 24 mm (1.0 in) spread over 7 days of rain. This is a significant rise compared to the preceding months, especially June, which saw virtually no rainfall. As summer settles in, July's moisture often brings refreshing relief to the arid landscape, contributing to the vibrant natural scenery. The trend suggests a shift from the dry spell of early summer to a more dynamic climate, setting the stage for the lushness that late summer storms can bring, particularly heading into August. This pattern of varying precipitation adds a unique richness to the canyon's ecosystem and visitor experience.
In the majestic Grand Canyon, July marks a notable dip in humidity, sliding down to a mere 33%, the lowest point of the year. This trend reflects a striking shift from the highs of winter, where humidity levels peak at 80% in January and remain above 70% through much of the fall and early winter. As spring unfolds, humidity gradually decreases, hitting a comfortable 35% by June. However, the dry heat of July embraces visitors, making it an ideal time for outdoor adventures amid the stunning canyon landscapes. Following this dry month, humidity begins to rise again, peaking once more in the cooler months, emphasizing the region's distinct seasonal shifts and inviting exploration throughout the year.
In July, the UV Index in the Grand Canyon remains at a striking 12, categorizing it as extreme and signifying a serious risk of harm from unprotected sun exposure. With a rapid burn time of just 10 minutes, outdoor enthusiasts should be vigilant about sun safety, especially given the trend from previous months where high levels persisted throughout May, June, and July. Interestingly, as summer peaks, the UV Index slightly declines in August but still holds strong at 11. This consistent intensity emphasizes the importance of effective sun protection strategies in July and the surrounding months. For more detailed insights, visit Grand Canyon UV Index.
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In July, the Grand Canyon basks in 371 hours of sunshine, maintaining its status as one of the sunniest months of the year. Following the slight dip from June’s impressive 379 hours, July still delivers abundant sunshine, making it an ideal time for outdoor adventures and breathtaking vistas. As summer reaches its peak, the warm days invite visitors to explore the canyon's majestic landscapes, while the subsequent months gradually transition to slightly less sun, showcasing a harmonious decline into August with 356 hours. This pattern highlights the Grand Canyon's vibrant summer appeal, where sunshine serves as the backdrop for unforgettable experiences in one of nature’s most awe-inspiring wonders.
July shows a notable dip in the likelihood of sunny weather in the Grand Canyon, with only a 43% chance of sunshine. This contrasts sharply with the preceding months, where the probability of sunny days hovers quite high, peaking at 79% in May and maintaining a commendable 74% in April. As summer progresses into August, the chances rebound to 69%, indicating a trend of fluctuating sun exposure during the summer months. Such seasonal variations not only shape visitors' experiences but also highlight the importance of planning ahead for outdoor adventures in this iconic national park.
In July, the Grand Canyon basks in approximately 14 hours of daylight, maintaining the peak of its sunny summer season. This duration is consistent with the previous months of June and May, which also feature abundant sunlight, fostering ideal conditions for outdoor adventures and breathtaking vistas. Following the summer solstice in June, the daylight gradually begins to wane, with August seeing a slight decline in illumination. Overall, the summer months showcase a clear trend of extended daylight, inviting visitors to explore the canyon's majestic landscapes and experience its vibrant ecosystem before shorter days of fall set in.
In July, the Grand Canyon experiences a notably calm wind, with an average speed of just 2.1 m/s (5 mph). This gentle breeze marks a decline from the slightly stronger winds of earlier months like April and May, which both recorded 3.3 m/s (7 mph). As summer unfolds, the overall trend in wind speed suggests a dip during the peak of the heat, making July the calmest month in the canyon. Following this, wind speeds gradually increase again in August, hinting at a seasonal shift. This pattern of decreasing wind in midsummer serves to enhance the serene and tranquil atmosphere of the Grand Canyon, inviting visitors to fully immerse themselves in its breathtaking beauty.
The weather in Grand Canyon 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 Grand Canyon and find detailed weather information for every month.
When comparing the weather in July and January, it's clear that these two months present vastly different climates. July is characterized by warm temperatures, with an average of 26°C (80°F) and peaks soaring up to 40°C (105°F), while January experiences a frigid average of just 2°C (36°F), reaching lows of -17°C (2°F). Precipitation is lower in July at 24 mm (1.0 in) over about 7 days, compared to January's 40 mm (1.6 in) over 6 days, accompanied by significantly higher humidity of 80%. These stark contrasts highlight the diverse weather conditions one can expect at the Grand Canyon throughout the year. For more detailed insights, check out Grand Canyon weather in January.
July and February present two starkly contrasting climates. In July, temperatures can soar, with minima around 13°C (56°F) and maxima reaching up to 40°C (105°F), creating a warm and dry atmosphere with only 24 mm (1.0 in) of precipitation over approximately 7 days and a humidity level of 33%. In contrast, February experiences much colder conditions, with an average temperature of just 3°C (38°F), nighttime lows plummeting to -16°C (4°F), and highs capped at 19°C (66°F). This winter month brings a higher precipitation level of 43 mm (1.7 in) over the same number of days, coupled with significantly increased humidity at 83%. For those curious about specific weather patterns during this time, more information can be found at Grand Canyon weather in February.
The weather in July and March contrasts significantly, with July showcasing a much warmer climate. In July, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 40°C (105°F), accompanied by relatively low humidity at 33% and minimal precipitation of 24 mm (1.0 in) over about 7 days. In contrast, March experiences cooler temperatures with a minimum of -14°C (7°F) and a maximum of 25°C (78°F). The average temperature in March is only 7°C (45°F), and the month sees higher humidity at 72% along with greater precipitation of 48 mm (1.9 in) spread across 8 days. For more insights on the weather during March, check out Grand Canyon weather in March.
In comparing the weather of July and April, it’s clear that these two months present a stark contrast. July experiences much warmer temperatures, with average highs reaching 26°C (80°F) and peaking at 40°C (105°F), while April's averages are significantly cooler, with temperatures typically maxing out at 30°C (87°F). Additionally, July has a lower humidity at 33%, compared to April's higher humidity level of 63%, which can make the latter feel cooler despite the warmer temperatures. Precipitation also differs, with July receiving approximately 24 mm (1.0 in) over 7 days, whereas April is drier, collecting just 13 mm (0.5 in) over only 2 days. For more information on the weather conditions in April, you can check out Grand Canyon weather in April.
When comparing the weather in July and May, it's clear that July tends to be much warmer and drier. The average temperature in July is a sweltering 26°C (80°F), with highs reaching up to 40°C (105°F), while May features milder conditions, with an average of 17°C (64°F) and a maximum of 34°C (93°F). Additionally, May experiences more humidity at 46%, compared to July's 33%. Another notable difference is the precipitation: July sees about 24 mm (1.0 in) of rain over 7 days, whereas May has only 18 mm (0.7 in) over just 3 days. For more detailed information on May weather, you can check Grand Canyon weather in May.
July weather is characterized by significantly higher temperatures compared to June, with minimums reaching 13°C (56°F) and maximums soaring up to 40°C (105°F), while June sees a cooler range, with minimums at 7°C (45°F) and maximums peaking at 38°C (102°F). The average temperature in July (26°C or 80°F) is also warmer than June's average of 24°C (76°F). Additionally, July experiences more precipitation, totaling 24 mm (1.0 in) over 7 days, whereas June is remarkably dry with only 3 mm (0.1 in) of rain and no recorded wet days. The humidity level is relatively similar in both months, at 33% in July and slightly higher at 35% in June. For more information on typical conditions, visit Grand Canyon weather in June.
July and August exhibit similar overall temperature ranges, with both months featuring a minimum temperature of 13°C (56°F) and an average temperature of 26°C (79-80°F). However, July reaches a higher maximum temperature of 40°C (105°F) compared to August's peak of 38°C (100°F). Precipitation is notably higher in July at 24 mm (1.0 in) over 7 days, while August experiences only 15 mm (0.6 in) over just 3 days. Additionally, August displays increased humidity at 41% compared to July's 33%. For more detailed information on the weather in August, you can visit Grand Canyon weather in August.
In July, the weather is characterized by hot temperatures, with an average of 26°C (80°F) and a maximum reaching up to 40°C (105°F). Despite the warmth, it experiences relatively low humidity at 33% and receives about 24 mm (1.0 in) of precipitation over approximately 7 days. In contrast, September sees a notable drop in minimum temperatures to 3°C (37°F), while the average remains at a comfortable 22°C (71°F) and the maximum reaches 37°C (100°F). Although September is cooler, the humidity rises to 59%, and precipitation decreases significantly to 14 mm (0.5 in) over just 3 days. For more specific insights into September weather, you can check out Grand Canyon weather in September.
July and October present stark contrasts in weather. In July, temperatures soar with a minimum of 13°C (56°F) and an average high reaching 40°C (105°F), accompanied by relatively low humidity at 33%. This summer month experiences 24 mm (1.0 in) of precipitation over about 7 days, indicative of its dry conditions. In contrast, October brings a chillier atmosphere, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 30°C (86°F) and an average of 14°C (57°F). The humidity rises significantly to 70%, and precipitation is slightly less at 23 mm (0.9 in) across only 4 days. For more detailed information about weather in October, you can visit Grand Canyon weather in October.
July and November present starkly contrasting weather conditions. In July, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 40°C (105°F) with an average of 26°C (80°F). The month experiences low humidity at 33% and receives around 24 mm (1.0 in) of precipitation over seven days. In contrast, November is characterized by much cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 23°C (74°F), while the average hovers around 8°C (47°F). The month sees lower precipitation, totaling 19 mm (0.8 in) over just two days, but a notable increase in humidity to 79%. For more detailed insights into the climate during this time, you can check Grand Canyon weather in November.
July and December present stark contrasts in weather conditions. In July, temperatures range dramatically from a minimum of 13°C (56°F) to a sweltering maximum of 40°C (105°F), with an average of 26°C (80°F). The month sees relatively low precipitation of 24 mm (1.0 in) over about 7 days, and a humidity level of 33% that adds to the heat. In sharp contrast, December features much colder temperatures with a minimum of -16°C (4°F) and an average of just 3°C (37°F), peaking at a modest 18°C (64°F). While it experiences a slightly higher precipitation of 33 mm (1.3 in) across 6 days, the humidity levels soar to 82%, making it feel considerably damp and chillier. For more detailed insights into winter conditions, you can explore Grand Canyon weather in December.
In July, the Grand Canyon transforms into a sun-soaked paradise, boasting significantly warmer temperatures compared to other months. With the average temperature reaching a sizzling 26°C (80°F) and peaks soaring as high as 40°C (105°F), this month is perfect for those who relish the heat. Despite the warmth, the humidity remains relatively low at 33%, making it feel more comfortable for outdoor exploration. Rainfall is minimal, with just a handful of days receiving light precipitation, allowing for mostly clear skies and exceptional views. This striking contrast to the milder temperatures of spring and the chillier autumn months makes July an ideal time for adventure seekers and sun lovers alike. For more insights on the year-round weather patterns, check out Grand Canyon Climate.