Last updated: February 24, 2025
Experience the summer warmth of Walla Walla, United States in July, where temperatures can soar to a maximum of 39°C (103°F), while the average hovers around 23°C (74°F), offering a comfortable warmth during the day. Nights cool down to a refreshing minimum of 7°C (45°F), promoting restful sleep. Notably, this month boasts an exceptionally dry climate, recording just 2 mm (0.1 in) of precipitation over 0 days, ensuring plenty of sunshine. With humidity levels at 76%, the air feels pleasantly warm, making July a perfect time to enjoy the outdoors in this vibrant region.
In July, Walla Walla basks in warm and inviting temperatures, making it a quintessential summer month. With minimums around 7°C (45°F) and average highs reaching a delightful 39°C (103°F), this period is characterized by balmy evenings and sun-soaked days that beckon outdoor adventures. The average temperature hovers at an enjoyable 23°C (74°F), providing the perfect backdrop for activities like wine tasting in the nearby vineyards or exploring local parks. This heatwave sharply contrasts the chilly winters, where temperatures plunge as low as -19°C (-1°F) in January, highlighting July as a time of vibrancy and warmth in Walla Walla’s climate narrative. As summer peaks, the city transforms into a sunlit haven, inviting both locals and visitors to embrace the joys of the season.
In July, Walla Walla experiences a dramatic shift in its precipitation patterns, showcasing a remarkable dryness compared to the previous months. With just 2 mm (0.1 in) of rainfall and no recorded precipitation days, it stands out as one of the driest months of the year. This low moisture level follows a gradual decline, as the region moves from 77 mm (3.0 in) in January to a mere trace in July. The trend highlights a typical summer climate in Walla Walla, where extended sunny days prevail, leaving behind the wetter months of spring. As the heat intensifies, rainfall becomes scarce, setting the stage for the dry summer season that Walla Walla is known for.
In Walla Walla, July experiences one of the year’s lowest humidity levels, with an average of 76%. This marks a subtle decrease from the cooler, more humid months of late spring and early summer, where humidity hovers around 77-81%. As the summer progresses into August, a more significant drop occurs, bringing humidity down to 60%. Throughout the year, Walla Walla's humidity demonstrates a clear trend: it is highest in the winter months, peaking at 87% in December, and gradually decreases as temperatures rise in the summer. This seasonal shift creates a comfortable climate for outdoor activities, especially during July’s drier days.
July in Walla Walla, United States, marks a peak in sunshine intensity, with the UV Index soaring to 10, categorizing it as very high. This means that residents and visitors alike should exercise caution, as the recommended burn time is a mere 15 minutes before the sun begins to take its toll. As summer reaches its zenith, the UV levels reflect a clear upward trend from the moderate levels seen in February, escalating to high in March and April, and then rapidly climbing to very high by May. The sustained high UV Index in both June and July emphasizes the importance of protective measures during this time. For those exploring the great outdoors, staying informed is vital—check the latest updates on the Walla Walla UV Index to ensure a safe and enjoyable summer.
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July shines as the pinnacle of sunshine in Walla Walla, boasting an impressive 411 hours of bright daylight. This radiant month not only showcases the peak of summer but also signifies a remarkable upward trend in sunshine hours from January's modest 111 hours. Following a steady climb through the spring, where April and May see substantial increases with 285 and 342 hours respectively, July's abundant sunshine distinctly sets it apart. As summer transitions into August, the hours begin to taper, yet the 356 hours still reflect a generous summer glow. The overall trajectory from the start of the year beautifully captures Walla Walla's vibrant seasonal shifts, as each month gradually fills the skies with more sunshine.
As July rolls into Walla Walla, the likelihood of sunny weather reaches a noteworthy 83%, making it one of the sunniest months of the year. This significant increase follows the upward trend established from the earlier months, where the chances of sunshine steadily rise from 23% in January to 69% in June. This progression highlights a gradual transition into warmer and more stable weather patterns, allowing residents and visitors alike to bask in the summer sun. With August still holding a robust 70% chance of sun, the summer season in Walla Walla offers an inviting opportunity to enjoy the outdoors under clear skies.
In Walla Walla, United States, the month of July boasts a splendid 15 hours of daylight, maintaining the peak of the summer's brightness. As the year progresses from January with a mere 9 hours of daylight, we observe a steady increase, culminating in June's maximum hours. Following July, daylight begins to taper off as we transition into late summer and fall, with August seeing 14 hours and September dropping to 12 hours. This pattern highlights a seasonal rhythm where longer days in the summer provide ample opportunities for outdoor activities, before gradually yielding to the shorter days of autumn and winter. The shift serves as a reminder of the cyclical nature of time and the changing landscape around us.
In July, Walla Walla experiences its calmest winds of the year, with an average wind speed of just 2.5 m/s (6 mph). This reduction follows a gradual decline from the milder breezes felt in the months leading up to summer, peaking earlier in the year around February and November, when wind speeds reach 3.4 m/s (8 mph) and 3.0 m/s (7 mph), respectively. As summer unfolds, July's peaceful airflow creates a tranquil atmosphere, making it an ideal time for outdoor activities. Interestingly, the trend shows that wind speeds are generally lower during the hotter summer months, highlighting how Walla Walla’s breezy charm tends to retreat with the rising temperatures. As August rolls in, the winds slightly pick up again, but July's serene stillness is a cherished aspect of summer in this picturesque region.
The weather in Walla Walla 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 Walla Walla and find detailed weather information for every month.
July and January present stark contrasts in weather conditions. In July, temperatures range from a cool 7°C (45°F) at night to a scorching maximum of 39°C (103°F) during the day, with minimal precipitation of just 2 mm (0.1 in) and no rainy days, allowing for plenty of sunshine and outdoor activities. In contrast, January sees much chillier temperatures, with a minimum of -19°C (-1°F) and a maximum of 12°C (54°F). Precipitation is significantly higher, totaling 77 mm (3.0 in) over 13 days, leading to a damp and wintery atmosphere. The humidity also hikes up slightly in January to 86%, making the cold feel even more penetrating. For a more detailed look at January weather, you can check Walla Walla weather in January.
July and February present stark contrasts in weather conditions. In July, temperatures soar with a minimum of 7°C (45°F) and a blistering maximum of 39°C (103°F), accompanied by low precipitation of just 2 mm (0.1 in) over the entire month and a humidity level of 76%. In contrast, February is characterized by a much cooler climate, with minimum temperatures plummeting to -17°C (2°F) and an average of just 1°C (34°F), while maximum temperatures reach a mild 16°C (61°F). February is notably wetter, receiving 125 mm (4.9 in) of precipitation across 18 days, and it also has a higher humidity of 86%. For a deeper dive into February weather specifics, check Walla Walla weather in February.
In July, the weather is characterized by significantly warmer temperatures, with an average of 23°C (74°F) and maximum highs reaching up to 39°C (103°F). Precipitation is minimal during this month, with no recorded rainfall and a relatively high humidity of 76%. In contrast, March experiences much cooler conditions, with average temperatures around 5°C (41°F) and maximums only reaching 18°C (65°F). This month also sees considerably more precipitation, totaling 75 mm (3.0 in) across 13 days, and higher humidity levels at 85%. For a more in-depth look at March weather, you can visit Walla Walla weather in March.
In comparing the weather of July and April, it’s evident that July is significantly warmer and drier. The average temperature in July reaches a pleasant 23°C (74°F) with a maximum of 39°C (103°F), while April sees a much cooler average of 9°C (48°F) and a maximum of 27°C (80°F). Remarkably, July experiences no precipitation at all, in stark contrast to April's 62 mm (2.4 in) spread over 11 rainy days. Additionally, humidity levels remain relatively high in both months, with July at 76% and April at 83%. For a closer look at April's weather specifics, visit Walla Walla weather in April.
The weather in July is typically much warmer than in May, with average temperatures reaching a comfortable 23°C (74°F), compared to May's cooler average of 14°C (57°F). July also boasts minimal precipitation, with just 2 mm recorded and no rainy days, contrasting sharply with May's 48 mm of rain over 9 days. Despite both months experiencing similar humidity levels around 76% and 77% respectively, May's temperatures can dip significantly lower, ranging from a frosty minimum of -1°C (30°F) to a warm maximum of 32°C (90°F). For a detailed look at May's weather patterns, you can visit Walla Walla weather in May.
In June, temperatures range from a minimum of 4°C (39°F) to a maximum of 43°C (110°F), with an average of 18°C (65°F). The month experiences significant precipitation, measuring 27 mm (1.1 in) over six days, and maintains a humidity level of 81%. In contrast, July sees a warmer range with minimum temperatures of 7°C (45°F) and a maximum of 39°C (103°F), averaging 23°C (74°F). Notably, July is much drier, with only 2 mm (0.1 in) of precipitation and no rainy days, although humidity remains relatively high at 76%. For a more detailed look at June weather, check Walla Walla weather in June.
In July, the weather is predominantly warm, with average temperatures reaching 23°C (74°F) and maximums soaring up to 39°C (103°F). The humidity is relatively high at 76%, but the month boasts dry conditions with virtually no precipitation. In contrast, August experiences slightly cooler temperatures, with averages around 22°C (72°F) and a minimum of 6°C (42°F). This month sees a bit more moisture, recording 8 mm (0.3 in) of precipitation over a single day and lower humidity levels at 60%. For more detailed insights, check out Walla Walla weather in August.
July and September present contrasting weather patterns. In July, temperatures soar, with an impressive average of 23°C (74°F) and a maximum that can reach up to 39°C (103°F), paired with high humidity at 76%. Precipitation is negligible, with no rainy days recorded. In contrast, September experiences a noticeable drop in temperatures, with a minimum of just 1°C (35°F) and an average of 17°C (62°F). This month sees more precipitation, totaling 25 mm (1.0 in) over four days, and the humidity level reduces to 58%. For a detailed look at September's climate, visit Walla Walla weather in September.
In July, the weather is characterized by warm temperatures, with nightly lows around 7°C (45°F) and daytime highs reaching as high as 39°C (103°F). With minimal precipitation of just 2 mm (0.1 in) and a humidity level averaging 76%, July is typically dry and sultry. Conversely, October brings a significant drop in temperatures, with lows dropping to -11°C (13°F) and an average temperature of 9°C (49°F). During this month, rain becomes more frequent, totaling 62 mm (2.4 in) over about 10 days, while humidity remains fairly consistent at 75%. For a more detailed overview of weather patterns in October, you can check out Walla Walla weather in October.
July and November present drastically different weather patterns. In July, temperatures soar, with averages around 23°C (74°F) and peaks reaching as high as 39°C (103°F), accompanied by minimal precipitation and relatively high humidity at 76%. In contrast, November experiences significantly cooler temperatures, with an average of just 5°C (41°F) and lows dropping to -9°C (17°F). This month also brings considerable precipitation, averaging 84 mm (3.3 in) over 13 days, along with a slight increase in humidity at 85%. To explore more about November weather specifics, check out Walla Walla weather in November.
July and December present stark contrasts in weather conditions. In July, temperatures soar to an average of 23°C (74°F), peaking at a sweltering 39°C (103°F), while enjoying minimal precipitation with only 2 mm and no rainy days. The humidity sits at a comfortable 76%, making it a warm and dry month. In contrast, December's chill brings temperatures down significantly, with an average of just 1°C (34°F) and lows reaching as low as -14°C (6°F). This month experiences a notable increase in precipitation, totaling 93 mm over 15 days, accompanied by higher humidity levels at 87%. For a deeper look at the December climate, check out Walla Walla weather in December.
In July, Walla Walla experiences a striking transformation compared to other months, with temperatures soaring to impressive heights, averaging around 23°C (74°F), and occasionally reaching a blistering 39°C (103°F). This month stands out with its absolutely dry spell, recording negligible precipitation, which allows for plenty of sunshine and outdoor activities under a humid sky. The dry conditions, combined with warm temperatures, create a vibrant summer atmosphere, making July a distinct and lively departure from Walla Walla's typically more varied climate. To learn more about the climate throughout the year, check out Walla Walla Climate.