July Weather in Yosemite Valley, United States

Last updated: February 24, 2025

Experience the stunning July weather in Yosemite Valley, where temperatures can soar to a warm 29°C (85°F) during the day, offering the perfect backdrop for outdoor adventures. The average temperature remains a comfortable 17°C (63°F), while nights can cool down to a refreshing 3°C (37°F). July sees a modest precipitation record of 24 mm (0.9 in), typically spread across 6 days, ensuring that lush landscapes flourish. With a low humidity level of just 36%, visitors can enjoy clear skies and mild breezes, making it an ideal time to explore this breathtaking natural wonder.

July Temperature in Yosemite Valley

In Yosemite Valley, July is a delightful month that showcases a significant warm-up from the icy depths of winter. Temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), with an inviting average of 17°C (63°F). This peak in summer warmth is a stark contrast to the frigid temperatures typical from January to March, where minimums often plunge below freezing. As the year progresses, temperatures gradually rise, culminating in July's vibrant warmth. Visitors during this month can enjoy the valley's natural beauty under sunny skies, making it an ideal time for hiking, climbing, and discovering the park’s stunning landscapes amidst the pleasant temperatures.

July Weather in Yosemite Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Yosemite Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272729364255636255443627
Data source: Temperature data for Yosemite Valley 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 Yosemite Valley

In July, Yosemite Valley experiences a slight uptick in precipitation, with an average of 24 mm (0.9 in) falling over approximately 6 days. Although this marks a modest increase from the preceding month of June, where only 20 mm was recorded over just 5 days, it still reflects the overall trend of drier summers typical in this region. As summer progresses into August, precipitation further declines to 17 mm (0.7 in), signaling the dry spell that usually characterizes the peak tourist season in Yosemite. This pattern of low summer rainfall contrasts sharply with the wet winter months, where precipitation can exceed 200 mm, illustrating the stark seasonal shifts that define Yosemite's climate.

July Precipitation Trends in Yosemite Valley

The chart displays monthly precipitation patterns in Yosemite Valley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec22722620910268202417174398160
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Yosemite Valley

In Yosemite Valley, July marks a notable shift in humidity levels, dropping to a refreshing 36%, the lowest of the year. This decline follows a gradual decrease from the winter months, where humidity hovered between 80% and 85%. As spring transitions into summer, the trend continues with levels steadily diminishing from 72% in April to 49% in June. By the time July arrives, visitors can expect a much drier atmosphere, setting the stage for outdoor adventures in the stunning landscape. However, as the season progresses into August, humidity dips even further to 30%, indicating an ongoing trend toward aridity before the humidity begins to rise slightly again in the fall months. This annual cycle not only affects the feel of the valley but also shapes its flora and fauna, making it a dynamic environment throughout the year.

July Average Humidity in Yosemite Valley

This chart illustrates the average monthly humidity levels in Yosemite Valley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%85%80%72%58%49%36%30%42%59%78%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Yosemite Valley

In Yosemite Valley, July sees one of the highest UV Index ratings of the year, maintaining an extreme level of 12, which means the risk of harm from unprotected sun exposure is significant. This trend of extreme UV levels is consistent, as both June and May also recorded a UV Index of 12. It’s crucial for visitors to be aware that with a burn time of just 10 minutes, proper sun protection is essential during these peak months. The UV Index then slightly decreases in August to 11, but remains within the extreme category, while the burn time continues to demand vigilance. Overall, the summer months in Yosemite are characterized by a stark increase in UV exposure, emphasizing the importance of sunscreen and protective clothing. For more details on UV levels throughout the year, visit Yosemite Valley UV Index.

Maximum UV Index Levels in Yosemite Valley for July

The chart shows the monthly maximum UV Index (UVI) for Yosemite Valley 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.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121110754
Data source: Yosemite Valley 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 Yosemite Valley

July shines bright in Yosemite Valley, boasting an impressive 392 hours of sunshine, making it the sunniest month of the year. Following a steady increase in daylight from 170 hours in January, the valley basks in nearly 400 hours of glorious sunlight during the peak of summer. This trend of rising sunshine hours continues through June, which sees 388 hours, but begins to taper off in August with 364 hours. Overall, the progression from winter's muted light to the vibrant summer rays creates a stunning backdrop for visitors, showcasing Yosemite's breathtaking landscapes under the golden sun.

Monthly Sunshine Duration in Yosemite Valley: July Highlighted

The July sunshine duration represents the total number of hours Yosemite Valley 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.
JanFebMarAprMayJunJulAugSepOctNovDec170h224h273h318h366h388h392h364h323h293h241h210h
Data source: Yosemite Valley July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yosemite Valley During July

In Yosemite Valley, July typically enjoys a sunshine probability of 72%, making it a welcoming summer destination for outdoor enthusiasts. This figure reflects a slight drop from the peak sunny month of August, which boasts an impressive 92% chance of clear skies. The sunniest months are preceded by a steady climb in sunshine likelihood, starting from a modest 44% in January and rising to 81% in June. Notably, July's sunshine percentage aligns closely with the 80% chance in May, indicating that while July is still quite sunny, it marks the transition to even brighter August days. Such trends highlight not only the shifting weather patterns through the summer months but also the ideal climate for exploring Yosemite's stunning landscapes during July.

Percentage of Sunny Days in July in Yosemite Valley

The chart illustrates the percentage of sunny days in Yosemite Valley 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 Yosemite Valley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%58%55%69%81%81%73%92%89%62%65%40%
Data source: Yosemite Valley July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yosemite Valley in July

In Yosemite Valley, July stands out with an impressive 14 hours of daylight, maintaining the same luminous glow that began in the previous month of June. This peak in daylight not only enhances the beauty of the park but also allows ample time for exploration and adventure. Following July, daylight gradually begins to wane, with August offering slightly shorter days at 13 hours and a noticeable decrease as autumn approaches. The overall trend showcases a dynamic shift from the concise winter days of 9 hours in January to the summer’s vibrant stretch, emphasizing how the park's stunning landscapes come alive under the extended sunlight of mid-year. As the days shorten in the fall, the grandeur of Yosemite is beautifully highlighted during those long, sunlit hours.

Average Daylight Hours in Yosemite Valley for July

The chart illustrates the variation in daylight duration in Yosemite Valley throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 48m11h 59m13h 12m14h 13m14h 43m14h 26m13h 32m12h 22m11h 9m10h 6m9h 34m
Data source: Yosemite Valley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Yosemite Valley

In Yosemite Valley, July brings a gentle shift in the winds, with an average speed of 1.8 m/s (4 mph), making it one of the calmest months of the year. This is a slight drop from the consistent 2.1 m/s (5 mph) observed in the preceding months of June, indicating a seasonal lull as summer deepens. As the year unfolds, the wind speeds generally hover around 2.0 m/s (4-5 mph) in the warmer months, with January and February maintaining steadiness at 2.1 m/s (5 mph). The lower July wind speeds create a serene atmosphere perfect for enjoying the stunning vistas of the valley, allowing visitors to soak in the warmth of summer without the distraction of brisk gusts. As the summer transitions into fall, an upward trend is anticipated again, with August regaining some of the summer's breezy zest.

Average July Wind Speed in Yosemite Valley

The chart displays monthly wind speed patterns in Yosemite Valley, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.12.02.02.11.8 m/s2.02.02.01.82.2
Data source: Yosemite Valley July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Yosemite Valley Compares to Other Months

The weather in Yosemite Valley 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 Yosemite Valley and find detailed weather information for every month.

The weather in July contrasts sharply with that of January, showcasing the seasonal extremes. In July, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (85°F) during the day, accompanied by relatively low humidity at 36% and minimal precipitation of 24 mm (0.9 in) over just six days. In stark comparison, January experiences much colder temperatures, with lows plummeting to -18°C (0°F) and daytime highs only reaching 11°C (51°F). This winter month also brings significantly higher precipitation, totaling 227 mm (9.0 in) across nine days, along with increased humidity of 82%. For a detailed look at Yosemite Valley's weather during this frigid month, check out Yosemite Valley weather in January.

July and February present stark contrasts in weather. July enjoys milder temperatures, with a minimum of 3°C (37°F) and a pleasant average of 17°C (63°F), hitting a maximum of 29°C (85°F). In contrast, February experiences harsh cold, with minimum temperatures plunging to -21°C (-5°F) and an average of -3°C (27°F). Precipitation also differs significantly; July sees only 24 mm (0.9 in) over 6 days, while February is much wetter, recording 226 mm (8.9 in) across 11 days. Additionally, February's high humidity at 85% adds to the overall chill, unlike the drier atmosphere of July with only 36% humidity. For more specific details on the February weather, you can check Yosemite Valley weather in February.

When comparing the weather in July and March, a stark contrast becomes evident. July typically enjoys mild temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F). This month sees relatively low precipitation, averaging only 24 mm (0.9 in) over about six days, along with a comfortable humidity level of 36%. In sharp contrast, March experiences much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 13°C (56°F), averaging around -2°C (29°F). Additionally, March is significantly wetter, with precipitation reaching 209 mm (8.2 in) over 13 days, and a considerably higher humidity of 80%. For more detailed insights on the climate, you can check Yosemite Valley weather in March.

When comparing the weather in July and April, it's clear that July enjoys much milder temperatures, with daily averages reaching around 17°C (63°F) and maximums peaking at 29°C (85°F). In contrast, April experiences significantly cooler temperatures, averaging just 2°C (36°F) and reaching a maximum of 16°C (60°F). Additionally, July sees far less precipitation, averaging only 24 mm (0.9 in) across 6 days, while April is notably wetter with 102 mm (4.0 in) over 8 days. The humidity level also varies greatly between the two months, with July's relative humidity at 36%, compared to a higher 72% in April. For more detailed insights, check out Yosemite Valley weather in April.

In comparing the weather of July and May, July generally presents a much warmer climate, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), compared to May's cooler averages of -13°C (9°F) to 24°C (75°F). July experiences lower precipitation levels at 24 mm (0.9 in) over 6 days, while May is significantly wetter, recording 68 mm (2.7 in) across 11 days. Furthermore, July maintains a lower humidity level of 36%, in contrast to May's higher humidity at 58%. For a closer look at what to expect, check out Yosemite Valley weather in May.

In comparing the weather between June and July, July generally showcases warmer temperatures, with an average of 17°C (63°F) compared to June's average of 13°C (55°F). The maximum temperatures also rise slightly in July, reaching up to 29°C (85°F), while June peaks at 27°C (81°F). Both months have relatively low precipitation levels, with July receiving 24 mm (0.9 in) over six days and June slightly less at 20 mm (0.8 in) over five days. Additionally, July boasts lower humidity levels at 36%, contrasting with June’s higher humidity of 49%. For more detailed insights into June's weather in the area, you can check out Yosemite Valley weather in June.

In comparing the weather between July and August, both months experience similar maximum temperatures, with July slightly warmer at 29°C (85°F) compared to August's max of 29°C (84°F). July generally has a wider temperature range, with a minimum of 3°C (37°F) and an average of 17°C (63°F), while August's minimum is slightly higher at 4°C (39°F) and an average of 16°C (62°F). Precipitation during July is somewhat higher at 24 mm (0.9 in) over 6 days, compared to August's 17 mm (0.7 in) over just 5 days. Additionally, humidity levels are lower in August at 30% than in July, which has a humidity level of 36%. For more details on the weather conditions including specifics for August, visit Yosemite Valley weather in August.

In July, the weather tends to be warmer, with average temperatures around 17°C (63°F) and a maximum of 29°C (85°F), while September sees cooler conditions, averaging 13°C (55°F) and dipping to a minimum of -8°C (18°F). July also experiences relatively low humidity at 36% and slightly higher precipitation with 24 mm (0.9 in) over six days, compared to September's 17 mm (0.7 in) of rain on just four days, accompanied by increased humidity at 42%. For a closer look at the weather in September, you can visit Yosemite Valley weather in September.

In July, the weather is generally warm with temperatures ranging from a cool 3°C (37°F) at night to a pleasant maximum of 29°C (85°F) during the day. The month sees relatively low precipitation of 24 mm (0.9 in) over about 6 days, accompanied by a comfortable humidity level of 36%. In contrast, October brings a significant drop in temperatures, with nighttime lows plummeting to -10°C (15°F) and daytime highs averaging 24°C (75°F), although the average temperature hovers around 7°C (44°F). October also features increased precipitation, totaling 43 mm (1.7 in) over just 3 days, and a higher humidity level at 59%. For more detailed information, check out the Yosemite Valley weather in October.

In comparing the weather of July and November, one can see a stark contrast in temperatures and conditions. July boasts mild temperatures, with a minimum of 3°C (37°F), an average of 17°C (63°F), and a maximum of 29°C (85°F), accompanied by relatively low humidity at 36% and only 24 mm (0.9 in) of precipitation over 6 days. In contrast, November experiences much colder weather, with temperatures ranging from a chilly -20°C (-4°F) at night to a mild 18°C (65°F) during the day, and a significantly higher average of 2°C (36°F). This month sees much more precipitation at 98 mm (3.9 in), also spread over 6 days, and a higher humidity level of 78%. For more details on the weather patterns in November, you can explore Yosemite Valley weather in November.

July and December present stark contrasts in weather conditions. In July, temperatures range from a mild 3°C (37°F) at night to a warm 29°C (85°F) during the day, with relatively low humidity at 36% and only 24 mm (0.9 in) of precipitation spread over 6 days. In contrast, December experiences much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 12°C (55°F), along with significantly higher humidity at 79%. Precipitation also increases dramatically to 160 mm (6.3 in), falling on about 10 days of the month. For more detailed insights into December weather in Yosemite Valley, you can check out Yosemite Valley weather in December.

Compare Yosemite Valley's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Yosemite Valley

July in Yosemite Valley is a delightful contrast to the cooler months, bringing warmer temperatures with a pleasant average that invites outdoor adventures. With maximums reaching a comfortable 29°C (85°F), visitors can enjoy sunny days interspersed with occasional rainfall, averaging about 24 mm over just six days. The lower humidity levels ensure that the warmth is more enjoyable, making July an ideal time for hiking and exploring the stunning landscapes. As you plan your visit, consider how this vibrant summer month stands out from the rest of the year by checking out more details in Yosemite Valley Climate.