June Weather in Walla Walla, United States

Last updated: February 24, 2025

June in Walla Walla, United States, showcases a dramatic range in temperature, with a maximum soaring to 43°C (110°F) and an average of 18°C (65°F), while nighttime brings a refreshing minimum of 4°C (39°F). This month experiences a modest precipitation of 27 mm (1.1 in), spread over 6 days, providing some relief from the heat. With an average humidity level of 81%, the weather can feel quite tropical, making it essential for both locals and visitors to stay hydrated and cool during this vibrant time of year.

June Temperature in Walla Walla

In June, Walla Walla experiences a noticeable transition into summer, with temperatures climbing significantly compared to preceding months. The minimum temperature rises to a more comfortable 4°C (39°F), while the average reaches a pleasant 18°C (65°F). More dramatically, the maximum temperature can soar to a scorching 43°C (110°F), marking a peak in the seasonal warmth. This month sets the stage for outdoor activities and vibrant summer days, attracting visitors eager to enjoy the sunny climate. Overall, June showcases Walla Walla's dynamic temperature range, highlighting the region's ability to shift from chill to heat as summer takes hold.

June Weather in Walla Walla: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Walla Walla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343441485765737262494134
Data source: Temperature data for Walla Walla 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.

June Precipitation in Walla Walla

June in Walla Walla marks a significant transition in precipitation patterns as spring gives way to summer. With just 27 mm (1.1 in) of rainfall over 6 days, June is notably drier compared to the earlier months, especially when one considers the substantial 125 mm (4.9 in) recorded in February. This decline in rainfall continues into July, which sees an average of merely 2 mm (0.1 in) across virtually rainless days. The trend underscores a shift towards drier months, foreshadowing the warmer summer ahead. As June wraps up, residents can expect more sunshine interspersed with fewer rainy days, highlighting the region's characteristic seasonal changes.

June Precipitation Trends in Walla Walla

The chart displays monthly precipitation patterns in Walla Walla, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec77125756248273825628493
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Walla Walla

As June rolls into Walla Walla, the humidity begins to shift from the higher levels of early spring. With an average humidity of 81%, June marks a slight decrease from the wetter months of January through May. The trend indicates a gradual transition as the summer months approach, paving the way for drier conditions. Following June, July sees a further drop to 76%, and August reaches a low of 60%. This gradual decline not only reflects a warming trend but also enhances the region's appeal as the summer unfolds, inviting residents and visitors alike to enjoy the great outdoors with comfortable, less humid weather.

June Average Humidity in Walla Walla

This chart illustrates the average monthly humidity levels in Walla Walla, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%85%83%77%81%77%60%58%75%85%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Walla Walla

In June, Walla Walla experiences a peak UV Index of 10, indicating a very high exposure category, with a burn time of just 15 minutes under direct sunlight. This surge in UV levels reflects a broader trend of increasing sun intensity throughout the spring and summer months—rising from a low index of 2 in January to high values in April and May. The pattern emphasizes the importance of sun safety, as residents transition from moderate UV levels in February and October to this peak in June and July. As summer approaches, it's essential to remain vigilant against sunburn to enjoy the warm, bright days. For more detailed insights into UV levels throughout the year, check out the Walla Walla UV Index.

Maximum UV Index Levels in Walla Walla for June

The chart shows the monthly maximum UV Index (UVI) for Walla Walla in June, 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Walla Walla June 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.

June Sunshine in Walla Walla

In Walla Walla, June shines as a beacon of light, boasting 366 hours of sunshine, making it a standout month in the annual solar tapestry. This radiant peak follows a steady upward trend from the 111 hours in January, reflecting the region's gradual transition from winter's grip to summer's embrace. After an impressive 342 hours in May, June marks the culmination of spring’s increasing warmth, leading into July's even brighter 411 hours. The sun-drenched days make June not just a time for outdoor activities, but also signify the anticipation of the long, vibrant summer ahead, as each month builds upon the last in a delightful display of nature’s warmth.

Monthly Sunshine Duration in Walla Walla: June Highlighted

The June sunshine duration represents the total number of hours Walla Walla experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec111h151h241h285h342h366h411h356h292h242h177h141h
Data source: Walla Walla June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Walla Walla During June

As summer approaches, Walla Walla experiences a notable increase in sunny weather, with June boasting a promising 69% chance of sunshine. This marks a continuation of the upward trend established in the previous months; from a modest 23% in January, the likelihood of sunny days gradually climbs, peaking in July at an impressive 83%. Interestingly, while May presents a healthy 53%, June's increase signals a significant transition into more consistently bright weather, setting the stage for summer activities and outdoor enjoyment. With a forecast increasingly filled with sunshine, residents and visitors alike can look forward to delightful June days in the vibrant landscape of Walla Walla.

Percentage of Sunny Days in June in Walla Walla

The chart illustrates the percentage of sunny days in Walla Walla throughout the year, with June 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 Walla Walla experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%27%50%62%53%69%83%70%65%47%28%14%
Data source: Walla Walla June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Walla Walla in June

In Walla Walla, United States, June marks the pinnacle of daylight duration, basking in 15 hours of sunshine. As the days lengthen from the 9 hours in January, there’s a steady ascent through the spring months, culminating in the vibrancy of summer. May brings 14 hours of daylight, gradually easing the transition into June's longest days. Following June, daylight begins to taper slightly, remaining at 15 hours in July before descending to 14 hours in August. This consistent increase in daylight not only enhances outdoor activities but also embraces the warmth and energy of summer, making it a delightful time for residents and visitors alike.

Average Daylight Hours in Walla Walla for June

The chart illustrates the variation in daylight duration in Walla Walla throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 5m10h 21m11h 57m13h 35m14h 59m15h 41m15h 17m14h 2m12h 28m10h 51m9h 25m8h 41m
Data source: Walla Walla daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Walla Walla

In Walla Walla during June, the average wind speed gently lingers at 2.7 m/s (6 mph), showing a slight dip from the slightly brisker conditions of the spring months. This trend of diminishing winds continues through July, when it reaches 2.5 m/s (6 mph), suggesting a calm summer atmosphere as the region embraces warmer days. Interestingly, the months preceding June exhibited a stable pattern, with consistent winds hovering around 2.9 m/s from March through May. As the year progresses into late summer and early fall, the wind tends to taper off even further, hinting at a transition into quieter seasons. Overall, June marks a pivotal point where Walla Walla begins to settle into its serene summer vibe, characterized by softer breezes that accompany the blooming landscapes.

Average June Wind Speed in Walla Walla

The chart displays monthly wind speed patterns in Walla Walla, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.42.92.92.92.7 m/s2.52.72.42.73.02.9
Data source: Walla Walla June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Walla Walla Compares to Other Months

The weather in Walla Walla changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June'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.

June and January offer starkly contrasting weather conditions. In June, temperatures can soar from a minimum of 4°C (39°F) to a scorching maximum of 43°C (110°F), with an average around 18°C (65°F). The month experiences relatively low precipitation at 27 mm (1.1 in) over 6 days and has a humidity level of 81%. Conversely, January brings frigid temperatures, with a minimum of -19°C (-1°F) and an average of just 1°C (34°F), peaking at 12°C (54°F). This winter month sees substantial precipitation, totaling 77 mm (3.0 in) over 13 days, combined with a higher humidity level of 86%. For a detailed look at January’s weather, visit Walla Walla weather in January.

June and February present contrasting weather experiences in Walla Walla. June typically boasts a much warmer climate, with average temperatures reaching around 18°C (65°F) and a significant maximum of 43°C (110°F), though it can still dip to a minimum of 4°C (39°F). In contrast, February is characterized by colder temperatures, where the average is just 1°C (34°F) and can plummet to a frigid minimum of -17°C (2°F). Additionally, February sees considerably more precipitation, with 125 mm (4.9 in) over about 18 days, compared to June's relatively dry conditions of 27 mm (1.1 in) over just 6 days. Humidity levels are also slightly higher in February at 86%, compared to June’s 81%. For more detailed insights, you can visit Walla Walla weather in February.

In comparing the weather between June and March, we see a stark contrast in temperatures and precipitation patterns. June experiences much warmer temperatures, with a minimum of 4°C (39°F) and a maximum reaching a scorching 43°C (110°F), while March has much cooler temperatures, where the lowest can drop to -12°C (11°F) and peak at only 18°C (65°F). Precipitation is also notably different; June sees less rainfall, totaling 27 mm (1.1 in) over just 6 days, compared to March, which receives significantly more at 75 mm (3.0 in) over 13 days. Humidity levels are relatively similar, remaining high at 81% in June and 85% in March. For a detailed look at March weather specifically, you can check Walla Walla weather in March.

When comparing the weather in June and April, there are notable differences in temperature and precipitation patterns. June experiences a much warmer climate, with average temperatures around 18°C (65°F) and highs reaching up to 43°C (110°F). In contrast, April's temperatures are significantly cooler, averaging 9°C (48°F) and peaking at 27°C (80°F), with minimum temperatures dipping as low as -7°C (20°F). Additionally, April sees more precipitation, with 62 mm (2.4 in) falling over 11 days, compared to June's lighter rainfall of 27 mm (1.1 in) across 6 days. Humidity levels remain fairly consistent, with April at 83% and June slightly lower at 81%. For more detailed information on April weather, check Walla Walla weather in April.

When comparing the weather in June to that of May, it's clear that June brings warmer temperatures, with a minimum of 4°C (39°F) and a maximum soaring to 43°C (110°F), while May's temperatures range from a chilly -1°C (30°F) to a more moderate 32°C (90°F). The average temperature in June reaches 18°C (65°F), significantly higher than May's average of 14°C (57°F). Additionally, June experiences less precipitation overall, with only 27 mm (1.1 in) falling over 6 days, compared to May's 48 mm (1.9 in) spread across 9 days. Humidity levels are slightly higher in June at 81%, compared to 77% in May. For more insights into May weather, you can visit Walla Walla weather in May.

June and July present distinct weather patterns, with June experiencing a broader temperature range, featuring a minimum of 4°C (39°F) and a maximum of 43°C (110°F). This month sees an average temperature of 18°C (65°F) along with 27 mm (1.1 in) of precipitation over six days, resulting in higher humidity levels at 81%. In contrast, July offers a milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 39°C (103°F) and a comfortable average of 23°C (74°F). Notably, July boasts significantly lower precipitation, receiving only 2 mm (0.1 in) without any rainy days, and maintaining a humidity level of 76%. For a more detailed look at July's weather, check out Walla Walla weather in July.

In June, temperatures range from a chilly minimum of 4°C (39°F) to a scorching maximum of 43°C (110°F), with an average temperature of 18°C (65°F). The month experiences considerable humidity at 81% and sees rainfall on about 6 days, totaling 27 mm (1.1 in) of precipitation. In contrast, August offers a milder experience with minimum temperatures starting at 6°C (42°F) and a maximum of 39°C (102°F), resulting in an average of 22°C (72°F). The humidity drops to 60%, and rainfall is significantly lower, with only 8 mm (0.3 in) over just 1 day. For more specific insights on the weather during this month, you can visit Walla Walla weather in August.

June presents a warm and humid climate, with average temperatures around 18°C (65°F) and highs soaring up to 43°C (110°F). The month also experiences considerable humidity at 81%, and rainfall occurs on about 6 days, totaling 27 mm (1.1 in). In contrast, September sees cooler temperatures, with an average of 17°C (62°F) and maximums reaching 36°C (97°F). The humidity drops to 58%, and rainfall is slightly less, with only 25 mm (1.0 in) over 4 days. To learn more about September weather specifics, visit Walla Walla weather in September.

June and October present stark contrasts in weather. June experiences much warmer temperatures, with a minimum of 4°C (39°F) and a scorching maximum of 43°C (110°F), while October’s temperatures drop considerably, ranging from a chilly -11°C (13°F) to a milder maximum of 28°C (83°F). In terms of precipitation, October is wetter with 62 mm (2.4 in) over approximately 10 days, compared to June’s 27 mm (1.1 in) over 6 days. Additionally, June has higher humidity at 81%, while October's humidity is lower at 75%. For more details on October weather patterns, check out Walla Walla weather in October.

June and November exhibit contrasting weather conditions. In June, temperatures range from a brisk 4°C (39°F) to a sweltering 43°C (110°F), with an average of 18°C (65°F) and relatively low precipitation of 27 mm (1.1 in) over about 6 days. Humidity remains high at 81%, adding to the warmth. In stark contrast, November sees considerably cooler temperatures, with a minimum of -9°C (17°F) and an average of just 5°C (41°F); even the maximum reaches a modest 20°C (68°F). Precipitation spikes to 84 mm (3.3 in) spread over 13 days, while humidity slightly increases to 85%. For more detailed information on November weather, you can visit Walla Walla weather in November.

June and December present a striking contrast in weather. In June, temperatures can soar from a chilly minimum of 4°C (39°F) to a scorching maximum of 43°C (110°F), with an average of 18°C (65°F). This month sees relatively low precipitation of 27 mm (1.1 in) over just 6 days and a humidity level of 81%. In contrast, December experiences much cooler temperatures, with a minimum of -14°C (6°F) and an average of only 1°C (34°F), while highs reach around 18°C (65°F). Precipitation increases significantly to 93 mm (3.7 in) spread over 15 days, and humidity rises slightly to 87%. For more details on what to expect during the winter, check out Walla Walla weather in December.

Compare Walla Walla's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Walla Walla

As June arrives in Walla Walla, the weather transforms into a delightful mix of warmth and mildness, offering a refreshing contrast to the chillier spring months. With daytime temperatures reaching up to 43°C (110°F), the month shines as a harbinger of summer bliss, while the average temperature settles at a comfortable 18°C (65°F). This warmth, however, is punctuated by occasional precipitation, with a total of 27 mm (1.1 in) spread across just 6 days, providing essential moisture for the blossoming landscape. June's humidity is notably higher at 81%, making the air feel a bit more tropical than in previous months. This unique blend of heat and moisture creates an energizing atmosphere, inviting outdoor adventures and highlighting the beauty of the season. For more insights on the region's weather patterns, check out Walla Walla Climate.