Last updated: February 24, 2025
April in Walla Walla, United States showcases a dynamic climate, characterized by a maximum temperature of 27°C (80°F) and an average of 9°C (48°F). The month experiences a significant chill with minimum temperatures plunging to -7°C (20°F). With 62 mm (2.4 in) of precipitation spread over 11 days, the region exhibits a high humidity level of 83%, creating a lush, vibrant landscape as spring unfolds. Embrace the contrasting weather patterns, where cool breezes meet the warmth of emerging blooms, making April a compelling time to explore Walla Walla’s charm.
In April, Walla Walla experiences a notable transition as winter gives way to spring, marked by a minimum temperature of -7°C (20°F) and an average of 9°C (48°F). The month offers a refreshing maximum of 27°C (80°F), showcasing the increasing warmth and inviting residents to enjoy outdoor activities. Compared to the preceding months, April's temperatures reveal a significant upward trend; the gradual rise from the chill of January and February to the more moderate conditions sets the stage for the pleasant May that follows. This dynamic shift not only enhances the landscape but also brings a sense of rejuvenation, as blooming flowers and longer days signal the fullness of springtime in the region.
In April, Walla Walla experiences a noticeable decline in precipitation, with a total of 62 mm (2.4 in) recorded over 11 days. This shift marks a transition into spring, where rainfall reduces compared to the heavier downpours of earlier months like February, which saw 125 mm (4.9 in). The lighter showers in April contribute to a gradual drying trend as the region approaches the drier summer months, where July and August see minimal rainfall. With only 11 rainy days, April offers a blend of refreshing spring moisture while hinting at the impending warmth and aridity of summer, making it a pivotal month in the region's climatic rhythm.
As April unfolds in Walla Walla, the humidity begins to ease slightly, settling at 83% compared to the earlier months of the year, where it hovered around a lofty 86%. This gradual decline marks a subtle transition as the region shakes off the chill of winter. The trend continues into May, with humidity dropping further to 77%, signaling the arrival of drier and warmer days. Interestingly, while April offers a hint of freshness, it also foreshadows the drier summer months ahead, where humidity levels are expected to dip significantly in the following months, reaching a low of 60% by August. This seasonal ebb and flow of moisture in the air paints a vivid picture of Walla Walla’s climate dynamics as spring gives way to summer.
In April, Walla Walla experiences a UV Index of 7, marking a continuation of the high exposure category from March. This notable rise in UV intensity reflects a trend as the region transitions deeper into spring, where the sun's rays become increasingly potent. With a burn time of just 25 minutes, residents and visitors should take precautions to protect their skin, especially as the UV Index is set to soar even higher in the following months, reaching a peak of 10 by June. As this trend progresses toward summer, it’s essential to stay informed and vigilant. For detailed information on local UV levels, check out Walla Walla UV Index.
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As April unfolds in Walla Walla, the city basks in 285 hours of glorious sunshine, marking a significant leap from the 241 hours recorded in March. This upward trend is a prelude to the delightful warmth of May, which boasts 342 hours of sun. The steady increase from January's low of 111 hours to April's vibrant skies illustrates a clear progression towards summer, with each month inviting more light and longer days. As spring deepens, residents and visitors alike can look forward to Walla Walla's sunniest months ahead, where June shines with an impressive 366 hours. The interplay of these hours reflects the region's seasonal transformation, painting the landscape with optimism and energy.
As April arrives in Walla Walla, the promise of brighter days becomes increasingly evident, with the likelihood of sunny weather climbing to 62%—a significant jump from the earlier months. This upward trend from 50% in March reflects the gradual transition into spring, where nature begins to awaken from its winter slumber. While May maintains a solid 53% chance of sunshine, it's during April that residents can truly start to enjoy the growing warmth and longer days. This period is a delightful prelude to the summer warmth ahead, which peaks in July with an impressive 83% chance of sun. As each month progresses towards summer, the shift in weather patterns offers a refreshing contrast to the dreariness of winter, making April a month filled with hope and anticipation for outdoor activities and blooming landscapes.
As spring unfolds in Walla Walla, April brings a delightful increase in daylight, extending to 13 hours—a notable jump from the 11 hours experienced in March. This trend of lengthening days marks a transition from the winter months, where daylight dwindled to as little as 9 hours in January. With each passing month, residents can bask in progressively longer evenings, paving the way for the 14 hours of daylight that May promises. The longer days in April not only enhance outdoor activities but also invite a sense of renewal and vibrancy that accompanies the blossoming of spring. Such a shift highlights the gradual yet uplifting march toward summer, where daylight peaks at an impressive 15 hours in June and July, providing ample opportunity for adventure and enjoyment in the gorgeous surroundings of Walla Walla.
In April, Walla Walla experiences a soothing breath of wind with an average speed of 2.9 m/s (6 mph), mirroring the gentle breezes of March. This consistent wind pattern sets the stage for the spring bloom, as the cool gusts bring a refreshing chill to the warming days. As the month rolls into May, the winds shift slightly, maintaining their lively pace at 2.9 m/s, which sweetly transitions into breezier summer months. Interestingly, the average wind speeds tend to gradually decline as the year progresses, reaching their lowest in July and September. Overall, April serves as a bridge between the cooler months of winter and the warmer embrace of summer, with its gentle winds providing a perfect backdrop to the blossoming landscape.
The weather in Walla Walla changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
When comparing the weather in April and January, a notable transition is evident. In January, temperatures range from a chilly minimum of -19°C (-1°F) to a max of only 12°C (54°F), with an average hovering around 1°C (34°F). The month sees an overall higher level of precipitation, totaling 77 mm (3.0 in) over 13 days, combined with a humidity level of 86%. Conversely, April brings a significant warming trend, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 27°C (80°F), resulting in a much higher average of 9°C (48°F). This month experiences slightly less precipitation at 62 mm (2.4 in) over 11 days, while maintaining a humidity of 83%. For more detailed information on January conditions, you can check this link: Walla Walla weather in January.
April and February present notably different weather patterns. In February, temperatures are significantly colder, with a minimum of -17°C (2°F) and an average of only 1°C (34°F), while April sees a milder minimum of -7°C (20°F) and an average of 9°C (48°F). Precipitation is also higher in February, totaling 125 mm (4.9 in) over 18 days compared to April's 62 mm (2.4 in) over 11 days. Additionally, February boasts a slightly higher humidity level at 86%, compared to April's 83%. For a detailed look at February's weather, you can check Walla Walla weather in February.
In comparing the weather of April and March, we can observe a notable shift in temperatures and precipitation patterns. April boasts a milder average temperature of 9°C (48°F), with a range from a chilly minimum of -7°C (20°F) to a pleasant maximum of 27°C (80°F). This is a significant improvement from March, which has a lower average of 5°C (41°F) and a minimum temperature of -12°C (11°F). While both months experience precipitation, April sees a decrease to 62 mm (2.4 in) over 11 days, compared to March’s 75 mm (3.0 in) over 13 days. Humidity is slightly lower in April at 83%, compared to March’s 85%. For a more detailed look at March's weather specifics, check out Walla Walla weather in March.
April and May showcase a noticeable transformation in weather patterns. While April has a broader temperature range with a minimum of -7°C (20°F) and a maximum reaching 27°C (80°F), the average temperature is a cooler 9°C (48°F). In contrast, May experiences milder lows at -1°C (30°F) and higher highs up to 32°C (90°F), resulting in a much more pleasant average of 14°C (57°F). Precipitation levels also decline from 62 mm (2.4 in) over 11 days in April to 48 mm (1.9 in) across just 9 days in May, and humidity decreases slightly from 83% to 77%, making May feel more comfortable overall. For more details, check out Walla Walla weather in May.
April and June present contrasting weather patterns, with April experiencing cooler temperatures ranging from a minimum of -7°C (20°F) to a maximum of 27°C (80°F) and an average of 9°C (48°F). It also sees more precipitation, totaling 62 mm (2.4 in) over about 11 days, accompanied by high humidity at 83%. In contrast, June boasts a warmer climate with temperatures ranging from 4°C (39°F) to a scorching maximum of 43°C (110°F) and an average of 18°C (65°F). Rainfall decreases significantly to 27 mm (1.1 in) over just 6 days, and humidity levels are slightly lower at 81%. For more details on June weather, visit Walla Walla weather in June.
April and July offer contrasting weather patterns. In April, temperatures can vary significantly, with a minimum of -7°C (20°F) and a maximum of 27°C (80°F), resulting in an average temperature of 9°C (48°F). The month is also relatively wet, receiving 62 mm (2.4 in) of precipitation over 11 days, accompanied by high humidity levels at 83%. In stark contrast, July boasts warmer conditions, with min temperatures of 7°C (45°F) and a maximum soaring to 39°C (103°F), averaging a comfortable 23°C (74°F). Notably, July is quite dry, with only 2 mm (0.1 in) of precipitation recorded over the month and experiencing no rainy days, while humidity levels dip slightly to 76%. For more specific insights, check out Walla Walla weather in July.
April and August present a stark contrast in weather conditions. In April, temperatures can range from a chilly minimum of -7°C (20°F) to a pleasant average of 9°C (48°F), peaking at a warm 27°C (80°F). This month sees significant precipitation, accumulating to 62 mm (2.4 in) over about 11 days, contributing to a high humidity level of 83%. In comparison, August offers a much warmer experience, with temperatures starting at a minimum of 6°C (42°F) and averaging 22°C (72°F), reaching a scorching maximum of 39°C (102°F). Additionally, August is characterized by very little rainfall, with only 8 mm (0.3 in) recorded over just one day and a lower humidity level of 60%. For more detailed insights, check out Walla Walla weather in August.
April and September present quite different weather experiences. In April, temperatures range from a chilly minimum of -7°C (20°F) to a maximum of 27°C (80°F), with an average around 9°C (48°F). The month sees considerable rainfall, totaling 62 mm (2.4 in) across approximately 11 days, and high humidity at 83%. In contrast, September offers milder temperatures, with a minimum of 1°C (35°F) and a maximum that can reach 36°C (97°F), averaging 17°C (62°F). Precipitation is significantly lower at just 25 mm (1.0 in) over about 4 days, and humidity drops to 58%. For more detailed information, check out Walla Walla weather in September.
April and October share some similarities in their average temperatures, hovering around 9°C (48°F), but the extremes tell a different story. In April, temperatures can range from a chilly -7°C (20°F) to a warm 27°C (80°F), while October experiences even colder minima, dropping to -11°C (13°F), with a peak of 28°C (83°F). Both months accumulate the same amount of precipitation at 62 mm (2.4 in), but April sees slightly more rainy days with 11 compared to October's 10 days. Additionally, April features higher humidity levels at 83%, while October feels a bit drier at 75%. For a more detailed look at October weather, you can explore Walla Walla weather in October.
April and November present contrasting weather patterns, reflecting the transition from spring to late autumn. In April, temperatures range from a chilly minimum of -7°C (20°F) to an average of 9°C (48°F), with highs reaching up to 27°C (80°F). The month experiences approximately 62 mm (2.4 in) of precipitation over 11 days and maintains a humidity level of 83%. In comparison, November sees a slightly cooler minimum temperature of -9°C (17°F) and an average of 5°C (41°F), with maximum temperatures capping at 20°C (68°F). Precipitation increases to 84 mm (3.3 in) across 13 days, accompanied by a humidity level of 85%. For more details on November weather, you can check out Walla Walla weather in November.
April and December present quite distinct weather patterns. In April, temperatures range from a chilly -7°C (20°F) at night to a maximum of 27°C (80°F) during the day, with an average of 9°C (48°F). Precipitation is around 62 mm (2.4 in) over approximately 11 days, and humidity is generally at 83%. In contrast, December experiences colder temperatures, with a minimum of -14°C (6°F) and a daytime high of only 18°C (65°F), averaging just 1°C (34°F). The month is wetter, receiving about 93 mm (3.7 in) across 15 days, while humidity slightly increases to 87%. For more detailed insights, check out Walla Walla weather in December.
As April unfolds in Walla Walla, it brings a refreshing shift in temperature and ambiance, starkly contrasting with the chill of previous months. With pleasant days peaking at a balmy 27°C, the month still grapples with cooler nights that can dip to a frosty -7°C. Additionally, April is characterized by its noticeable humidity and a modest amount of precipitation, spread over about a third of the month. This combination creates a dynamic climate that lays the groundwork for blooming flora, inviting activities, and brighter days ahead. To explore more about how Walla Walla's weather shapes its unique climate throughout the year, visit Walla Walla Climate.