Last updated: February 24, 2025
October in Walla Walla, United States, showcases a diverse weather palette, characterized by a maximum temperature reaching 28°C (83°F) and a minimum plunge to -11°C (13°F). The average temperature hovers around a cool 9°C (49°F), indicating a transition into the heart of autumn. Alongside this temperature variation, the month experiences a moderate precipitation total of 62 mm (2.4 in) across 10 days, contributing to a humidity level of 75% that adds a crispness to the air. This blend of conditions sets a picturesque scene as foliage transforms and prepares for the winter ahead.
In Walla Walla, United States, October ushers in the cooler embrace of autumn, marked by a notable dip in temperatures compared to the preceding summer months. With minimums reaching -11°C (13°F) and average temperatures hovering around 9°C (49°F), the month sets a crisp tone as summer warmth recedes. Daytime highs can still peak at a pleasant 28°C (83°F), offering a mix of warm, sunny days and chilly nights that invite cozy gatherings. The transition from the warm highs of September emphasizes the shifting seasons, as the region prepares for the winter chill ahead, while still holding onto the last vestiges of fall's warmth.
In October, Walla Walla experiences a noticeable shift in precipitation patterns, receiving a total of 62 mm (2.4 in) over 10 days. This increase marks a return to wetter weather compared to the drier summer months, where only a mere 2 mm fell in July and 8 mm in August. As the month progresses, the precipitation levels create a crisp, refreshing atmosphere, contrasting with the preceding drier autumn. This trend of autumnal rainfall sets the stage for a colder November, which typically brings even more substantial precipitation at 84 mm (3.3 in). Overall, October serves as a pivotal transition, paving the way for Walla Walla's shift into a wetter season as it moves toward winter.
In October, Walla Walla experiences a noticeable shift in humidity levels, with an average of 75%, reflecting a transition from the drier months of summer. Following the low of 58% in September, the humidity picks up as the city prepares for the cooler, wetter winter months ahead. This rise in humidity marks a return to the higher levels observed in the earlier months of the year, notably 86% in January and February, suggesting a seasonal cycle where dampness becomes more pronounced. As the crisp fall air settles in, residents can expect a refreshing blend of autumn colors and a touch of moisture, perfectly encapsulating the essence of October in this charming region.
As October arrives in Walla Walla, the UV Index sees a moderate reading of 5, reminding residents and visitors alike to enjoy the outdoors with a bit of caution. Following the peak summer months, where the UV Index soared to a high of 10, this month presents a noticeable decline, with burn times extending to 30 minutes. Interestingly, the trend throughout the year shows a rise from low levels in winter (January's UV Index at 2) to a significant very high exposure during peak summer months. Although October's UV Index signals less urgency than previous months, it still emphasizes the importance of sun protection, as UV rays can still lead to skin damage. For more information about UV levels and daily safety tips, visit Walla Walla UV Index.
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As October unfolds in Walla Walla, the region basks in 242 hours of sunshine, marking a gentle decline from the sun-drenched summer months. Following the peak 411 hours of sunlight in July, the days begin to grow shorter, but October still offers a generous amount of warm autumn rays. This month stands in contrast to the colder and darker winter days that follow, such as the 177 hours in November. With this transition, Walla Walla experiences a delightful blend of sunny afternoons and the vibrant colors of fall, inviting residents and visitors alike to embrace the beauty of the season before winter sets in.
In Walla Walla, the likelihood of sunny weather in October stands at 47%, hinting at a moderate chance for those seeking golden autumn days. As the seasons transition, October's sun probability is notably lower than the summer months, where July boasts a striking 83% chance of sunshine. Following September's 65%, the descent into October signals the onset of cooler weather, yet it still holds onto a respectable amount of sun compared to the drab winters. This trend showcases the region's ability to deliver crisp, sunny fall days, perfect for enjoying picturesque vineyards and vibrant foliage before the clouds roll in for the winter months.
As October rolls in Walla Walla, the days begin to shorten, offering 10 hours of daylight—a striking contrast to the peak of summer where daylight reached its maximum of 15 hours. Following the gradual increase from the depths of winter, daylight hours stretched from 9 hours in January to their summer zenith. However, just like the vibrant colors of autumn leaves, the daylight begins to wane after September's 12 hours, signaling the transition toward the colder months. This seasonal shift not only changes the landscape but also ushers in a cozy ambiance, perfect for enjoying the crisp fall days.
As October winds sweep through Walla Walla, they bring a refreshing change with an average speed of 2.7 m/s (6 mph). This slight uptick from the September lows hints at the onset of autumn, providing a gentle breeze that complements the vibrant fall foliage. Notably, October's winds mirror the calmness seen during the summer months, contrasting with the elevated speeds in January and November, where winds pick up to 3.0 m/s (7 mph). This gradual shift underscores a transitional period, where the charming stillness of summer gives way to the invigorating yet mild gusts of early fall, inviting residents and visitors alike to enjoy the crisp, clear days ahead.
The weather in Walla Walla changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.
October and January present stark contrasts in weather. October features a broader temperature range, with minimums reaching -11°C (13°F) and maximums soaring to 28°C (83°F), resulting in an average temperature of 9°C (49°F). The month sees about 62 mm (2.4 in) of precipitation over 10 days, accompanied by a humidity level of 75%. In contrast, January is notably colder, with minimum temperatures plummeting to -19°C (-1°F) and maximums only reaching 12°C (54°F), yielding a much lower average of 1°C (34°F). This month experiences slightly higher precipitation at 77 mm (3.0 in) across 13 days, coupled with increased humidity at 86%. For a closer look at what January weather entails, check out Walla Walla weather in January.
October and February in Walla Walla present distinct weather patterns that reflect the transition from fall to winter. In October, temperatures range from a minimum of -11°C (13°F) to a comfortable average of 9°C (49°F), peaking at a warm 28°C (83°F). However, the month also witnesses some rainfall, with 62 mm (2.4 in) of precipitation over approximately 10 days, accompanied by a humidity level of 75%. In contrast, February is cooler, with temperatures dipping lower, featuring a minimum of -17°C (2°F) and an average of 1°C (34°F), while the maximum barely reaches 16°C (61°F). This month experiences higher precipitation, totaling 125 mm (4.9 in) over 18 days, and a slight uptick in humidity at 86%. For a closer look at Walla Walla’s weather during February, you can visit Walla Walla weather in February.
When comparing the weather in October and March, notable differences emerge in temperature, precipitation, and humidity. In October, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant maximum of 28°C (83°F), with an average of 9°C (49°F). The month sees about 62 mm (2.4 in) of precipitation over approximately 10 days, and humidity sits at 75%.
In contrast, March experiences slightly colder conditions, with a minimum temperature of -12°C (11°F) and an average of 5°C (41°F), peaking at a maximum of 18°C (65°F). This month has higher rainfall, totaling 75 mm (3.0 in) over 13 days, and features a higher humidity level at 85%. For further details on March weather in Walla Walla, visit Walla Walla weather in March.
October and April share similar average temperatures, both hovering around 9°C (49°F), but October experiences a wider range, with maximums reaching up to 28°C (83°F) compared to April's peak of 27°C (80°F). While both months see comparable precipitation levels at 62 mm (2.4 in), October has slightly fewer rainy days, averaging 10 compared to April's 11. Humidity levels are higher in April at 83%, compared to October's 75%, giving the spring month a more humid feel. For a deeper dive into April's weather specifics, you can check out Walla Walla weather in April.
The weather in October and May presents a striking contrast, both in temperature and precipitation patterns. In October, temperatures range from a chilly minimum of -11°C (13°F) to a warm maximum of 28°C (83°F), averaging around 9°C (49°F). The month experiences 62 mm (2.4 in) of rainfall over about 10 days, with humidity levels at 75%. In comparison, May enjoys milder temperatures, with a minimum of -1°C (30°F) and a maximum of 32°C (90°F), averaging 14°C (57°F). Rainfall in May is lower at 48 mm (1.9 in) across 9 days, coupled with slightly higher humidity at 77%. For a more detailed overview of May weather, you can visit the following link: Walla Walla weather in May.
When comparing the weather in October and June, it's clear that both months exhibit distinct characteristics. October experiences a wider temperature range, with minimums dropping to -11°C (13°F) and maximums reaching 28°C (83°F), while June boasts milder temperatures with minimums around 4°C (39°F) and a maximum of 43°C (110°F). Precipitation is notably higher in October, averaging 62 mm (2.4 in) over 10 days, compared to June's 27 mm (1.1 in) over just six days. Additionally, humidity levels are slightly elevated in June at 81%, compared to October's 75%. For a more detailed look at June's climate, you can visit Walla Walla weather in June.
October and July present significantly different weather conditions. In October, temperatures can vary widely, with a minimum of -11°C (13°F) and a maximum of 28°C (83°F), leading to an average temperature of 9°C (49°F). This month also witnesses a considerable amount of rainfall, with precipitation totaling 62 mm (2.4 in) across about 10 days, and humidity levels remain relatively high at 75%.
In contrast, July is much warmer, boasting a minimum temperature of 7°C (45°F) and soaring to a maximum of 39°C (103°F), resulting in a more comfortable average temperature of 23°C (74°F). Notably, July experiences negligible rainfall, with only 2 mm (0.1 in) of precipitation over the entire month and no rainy days, coupled with a slightly higher humidity of 76%. For more details, check out Walla Walla weather in July.
When comparing the weather in October and August, it's clear that October experiences a wider range of temperatures, with a minimum of -11°C (13°F) and a maximum of 28°C (83°F), averaging around 9°C (49°F). In contrast, August boasts much warmer temperatures, with a minimum of 6°C (42°F), an average of 22°C (72°F), and a scorching maximum of 39°C (102°F). Additionally, October is considerably wetter, receiving 62 mm (2.4 in) of precipitation over approximately 10 days, while August is relatively dry, with only 8 mm (0.3 in) of rain over just one day. The humidity in October is also higher at 75%, compared to August's 60%. For a more detailed look at August weather patterns, visit Walla Walla weather in August.
In comparison to September, October experiences a notable drop in temperatures, with minimums reaching as low as -11°C (13°F) and an average temperature of 9°C (49°F), significantly cooler than September's minimum of 1°C (35°F) and an average of 17°C (62°F). The maximum temperature in October is also lower, peaking at 28°C (83°F) compared to September's high of 36°C (97°F). Additionally, October sees increased precipitation levels, with 62 mm (2.4 in) spread over about 10 days, compared to September's 25 mm (1.0 in) over just 4 days. Humidity is also higher in October, averaging 75% compared to September's 58%. For more details on September weather, you can visit Walla Walla weather in September.
October and November exhibit distinct shifts in weather patterns. In October, temperatures range from a minimum of -11°C (13°F) to a maximum of 28°C (83°F), with an average of 9°C (49°F). The month experiences about 62 mm (2.4 in) of precipitation over approximately 10 days and a humidity level of 75%. In contrast, November sees cooler conditions, with temperatures ranging from a minimum of -9°C (17°F) to a maximum of 20°C (68°F) and an average temperature of 5°C (41°F). Precipitation increases to around 84 mm (3.3 in) over 13 days, and the humidity rises slightly to 85%. For more detailed information, you can check Walla Walla weather in November.
October and December present notably different weather profiles. In October, temperatures can range from a chilly -11°C (13°F) at night to a comfortable 28°C (83°F) during the day, with an average of 9°C (49°F). Precipitation is slightly lower at 62 mm (2.4 in) over about 10 days, and humidity levels sit at 75%. In contrast, December is significantly colder, with minimum temperatures dropping to -14°C (6°F) and a maximum of 18°C (65°F), averaging just 1°C (34°F). The month sees more precipitation at 93 mm (3.7 in) across approximately 15 days, accompanied by higher humidity at 87%. For a closer look at December's conditions, check out Walla Walla weather in December.
October in Walla Walla marks a significant transition in weather, contrasting sharply with the warmth of summer. As temperatures dip, the crisp air sets the stage for cozy autumn vibes, where chilly mornings make way for comfortably mild afternoons. With average humidity levels hovering around 75% and nearly 10 days of rain, this month brings a refreshing change, embracing the beauty of fall foliage and shorter daylight hours. Those seeking a deeper understanding of Walla Walla's climate will find insightful details here: Walla Walla Climate. As the month unfolds, the blend of warmth and coolness, along with the lovely ambiance of falling leaves, makes October a truly enchanting time to experience the region.