Last updated: February 24, 2025
June in Seattle offers a vibrant mix of weather experiences, from warm to crisp. With maximum temperatures peaking at 38°C (101°F) and an average close to 17°C (62°F), the month invites both sunny adventures and refreshing evenings. However, the city's famed moisture is evident, as 63 mm (2.5 inches) of precipitation can be expected over 9 days, contributing to the lush greenery that surrounds the area. The average humidity hovers around 82%, creating a muggy atmosphere at times, but also nurturing the majestic landscapes that Seattle is known for. Whether you're exploring the outdoors or enjoying the vibrant culture, June weather in Seattle promises a delightful tapestry of experiences for all.
In June, Seattle begins to shed its cool spring days, welcoming the warmth of summer with temperatures ranging from a comfortable 8°C (46°F) at night to a pleasant average of 17°C (62°F) during the day. The month can bring surprising peaks, with maximums reaching up to a sizzling 38°C (101°F)—a stark contrast to the chilly winters, making it the perfect time for outdoor activities and enjoying the city's vibrant parks. As the days become longer and sunnier, the compelling shift in climate signals a season of exploration, where locals and tourists alike can savor everything Seattle has to offer, from its lush scenery to its bustling waterfront.
In June, Seattle experiences a noticeable shift towards drier weather, with average precipitation dropping to 63 mm (2.5 in), accompanied by just 9 rainy days. This decline in both rainfall and number of wet days marks a stark contrast to the heavier precipitation seen in the earlier months, such as January and February, where totals exceeded 170 mm. With Spring transitioning into Summer, residents can finally indulge in more sunny and pleasant days, making June an ideal time for outdoor activities. As the city gears up for the arrival of July, the trend of reduced rainfall continues, with subsequent months like July and August averaging even less precipitation, showcasing Seattle's brief but welcome reprieve from its famously wet climate.
In June, Seattle experiences a drop in humidity to 82%, marking a gradual decline from the wetter months earlier in the year. As the city transitions from the spring's damp embrace—where humidity peaks at a notable 87% in March—the pleasant onset of summer introduces slightly drier air. This trend continues into July, where humidity further decreases to 79%, highlighting the arrival of warmer, more comfortable conditions. Interestingly, despite its reputation for drizzles and overcast skies, Seattle's summer months, especially from June through August, reveal a noticeable shift towards lower humidity levels, creating an inviting atmosphere for outdoor activities and exploration.
As summer approaches, Seattle's UV Index reaches its peak in June, hitting 9 on the scale and categorizing exposure as very high. This marks a significant rise from earlier months, when the UV Index was a more moderate 5 in March and 6 in April. By May, the intensity escalates to 8, setting the stage for June's sun-soaked days where residents should be particularly cautious, given the sharply reduced burn time of just 15 minutes. This upward trend continues into July, emphasizing the need for sun protection, while August sees a slight dip to 8. It’s clear that as Seattle transitions into summer, precautions are essential to enjoy the bright days safely. For more details on the UV Index in Seattle, visit Seattle UV Index.
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June in Seattle heralds the arrival of summer with a vibrant 311 hours of sunshine, marking a peak in daylight that sets the stage for the sun-soaked days of July. This month shines bright compared to earlier months, showcasing a notable increase from May's 299 hours. As the city transitions from the often overcast winter months, where sunlight barely reaches 80 hours in January, June offers a refreshing change that not only lifts spirits but also invites residents outdoors to soak up the warmth. Following June, July continues the trend with even more sunshine, culminating in 361 sunlit hours, making these months perfect for exploring Seattle’s lush parks and waterfronts.
As June arrives in Seattle, the city sees a notable rise in the likelihood of sunny weather, with a 58% chance of sunshine offering a refreshing contrast to the cloudier winter and early spring months. This marks a significant increase from the 50% in April and the 37% in May, suggesting that as spring transitions into summer, Seattleites can anticipate more vibrant, sun-filled days. July capitalizes on this trend, boasting the highest likelihood at 63%, but June stands out as the month where optimism for sunlight truly begins to bloom, encouraging outdoor activities and soaking in the beauty of the Pacific Northwest.
As June arrives in Seattle, residents relish 15 hours of daylight, mirroring the extended sunshine of May and July. This vibrant month marks the peak of the year's daylight duration, following a steady increase from the mere 8 hours in January. The gradual progression reflects the city's awakening from winter's embrace, with daylight steadily growing through spring. June not only promises longer days but also invites outdoor adventures and gatherings, with the lush landscapes bathed in sunlight. As summer unfolds, the consistency of 15-hour days provides ample opportunity for Seattleites to enjoy the beauty of their surroundings before the gradual tapering begins in August.
In June, the wind in Seattle maintains a gentle presence with an average speed of 2.4 m/s (5 mph), mirroring the calm breezes felt in April and the month preceding it. This subtle consistency hints at a transition into summer, as the winds dip slightly compared to the peak gusts of earlier months. Interestingly, this period marks a gradual decline from the windier days of spring, particularly from January's brisk 2.8 m/s and November's breezy 3.5 m/s. As Seattle prepares to embrace the warmth of summer, residents can expect a serene atmosphere, where soft winds are the backdrop to longer, sunlit days.
The weather in Seattle 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 Seattle and find detailed weather information for every month.
When comparing the weather in June and January, it is evident that these months present distinctly different climates. June boasts a mild average temperature of 17°C (62°F), with maximum highs reaching up to 38°C (101°F), while January is much cooler, with an average of only 6°C (43°F) and highs peaking at 14°C (57°F). Precipitation also varies significantly; June experiences 63 mm (2.5 in) over about 9 days, whereas January is much wetter, with 175 mm (6.9 in) spread across 16 days. Additionally, while June has a humidity level of 82%, January sees a slightly higher humidity at 86%. For a more detailed perspective on January's weather, you can refer to Seattle weather in January.
When comparing the weather in June and February, striking differences are evident. June boasts a more temperate climate, with average temperatures ranging from a chilly 8°C (46°F) at night to a warm 38°C (101°F) during the day. In contrast, February is significantly colder, featuring minimum temperatures dipping to -10°C (14°F) and an average of only 5°C (41°F). Precipitation patterns also differ; June experiences about 63 mm (2.5 in) of rain over nine days, while February sees a substantial 177 mm (7.0 in) across 19 days, resulting in a much wetter month despite the higher humidity in February at 86%, compared to June’s 82%. For more details on February weather, you can visit Seattle weather in February.
When comparing the weather between June and March, it is clear that June offers a warmer experience. With temperatures ranging from a minimum of 8°C (46°F) to a maximum of 38°C (101°F) and an average of 17°C (62°F), the month presents significantly higher warmth than March, which sees temperatures ranging from -1°C (31°F) to a maximum of 22°C (72°F) with an average of only 7°C (46°F). However, March experiences more rainfall, with a total of 126 mm (4.9 in) over 17 days compared to June's 63 mm (2.5 in) over just 9 days. Humidity levels are also slightly higher in March at 87%, compared to June's 82%. For those interested in a deeper dive, check out Seattle weather in March.
When comparing the weather in June and April, June generally experiences warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching as high as 38°C (101°F), while April has lower temperatures, ranging from 1°C (34°F) to a maximum of 24°C (75°F). In terms of average temperatures, June averages around 17°C (62°F), significantly warmer than April's 10°C (50°F). However, April sees more precipitation, totaling 117 mm (4.6 in) over 14 days, compared to June's 63 mm (2.5 in) spread over 9 days. The humidity levels are quite similar, with April at 84% and June at 82%. For more insights on April's weather patterns, you can check Seattle weather in April.
In comparing the weather of June and May, June experiences a broader temperature range, with minimums of 8°C (46°F) and maximums soaring up to 38°C (101°F), compared to May's range of 5°C (42°F) to 28°C (82°F). The average temperature in June reaches 17°C (62°F), while May remains cooler at an average of 14°C (57°F). Interestingly, precipitation levels are fairly similar, with June receiving 63 mm (2.5 in) over 9 days and May recording 68 mm (2.7 in) over 12 days. Humidity remains slightly higher in June at 82%, compared to May’s 81%. For a more detailed understanding of May's weather patterns, you can visit Seattle weather in May.
June and July display notable differences in weather patterns. June experiences a wider temperature range, with minimums dropping to 8°C (46°F) and maximums soaring to 38°C (101°F), resulting in an average temperature of 17°C (62°F). In contrast, July brings milder conditions, with minimums at 11°C (52°F) and maximums peaking at 32°C (91°F), leading to a slightly higher average of 19°C (67°F). Precipitation also varies significantly; June sees 63 mm (2.5 in) of rain over 9 days, while July is much drier, recording only 18 mm (0.7 in) on 5 days. Humidity remains relatively constant, hovering around 82% in June and slightly lower at 79% in July. For more details on the weather during this month, check out Seattle weather in July.
In June, the weather tends to be quite variable, with temperatures ranging from a minimum of 8°C (46°F) to a scorching maximum of 38°C (101°F) and an average of 17°C (62°F). The month experiences significant humidity at 82% and sees about 63 mm (2.5 in) of precipitation over 9 days. Conversely, August offers a more stable climate with a minimum temperature of 10°C (51°F), an average of 19°C (67°F), and a maximum of 33°C (93°F). The humidity drops to 63%, and there is considerably less rainfall, totaling only 16 mm (0.6 in) over just 5 days. For a more detailed look at August weather, visit Seattle weather in August.
In June, temperatures can soar with a maximum of 38°C (101°F), while the average hovers around a comfortable 17°C (62°F). However, this month also sees considerable humidity at 82% and 63 mm (2.5 in) of precipitation over about 9 days. In contrast, September marks a noticeable drop in temperature, with a maximum of only 30°C (86°F) and an average of 16°C (62°F). The month is wetter, receiving 100 mm (3.9 in) of rain across 12 days, but the humidity is significantly lower at 62%. For a more detailed look at what to expect, you can check Seattle weather in September.
June and October present quite contrasting weather patterns. In June, temperatures range from a cool minimum of 8°C (46°F) to a sweltering maximum of 38°C (101°F), with an average of 17°C (62°F). This month experiences about 63 mm (2.5 in) of precipitation over 9 days, with a humidity level of 82%, creating a muggy atmosphere. In stark contrast, October features cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 23°C (74°F), averaging 11°C (52°F). Rainfall is significantly higher in October, accumulating to 155 mm (6.1 in) over 15 days, while humidity remains similar at 83%. These differences highlight the transition from summer warmth to the crispness and increased moisture of autumn. For more detailed information on October conditions, check out Seattle weather in October.
June and November present contrasting weather experiences. In June, temperatures range from a mild 8°C (46°F) at night to a scorching 38°C (101°F) during the day, with an average of 17°C (62°F). The humidity is relatively high at 82%, but the month receives only 63 mm (2.5 in) of precipitation over about 9 days. In stark contrast, November sees much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 17°C (63°F), averaging just 8°C (47°F). This month is significantly wetter, with 181 mm (7.1 in) of rainfall occurring over 18 days, accompanied by increased humidity at 89%. For more detailed information, check out Seattle weather in November.
June and December weather present a stark contrast in temperature and precipitation. In June, temperatures range from a minimum of 8°C (46°F) to a maximum of 38°C (101°F), with an average of 17°C (62°F) and relatively low precipitation at 63 mm (2.5 in) over 9 days. The humidity sits at a comfortable 82%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -7°C (20°F) and a maximum of 14°C (58°F), averaging just 6°C (42°F). Precipitation increases significantly to 196 mm (7.7 in) spread over 19 days, accompanied by higher humidity levels at 88%. For a detailed look at what to expect during this winter month, check out Seattle weather in December.
As June unfolds in Seattle, residents and visitors alike experience a distinct transition in weather. The month generally boasts a milder average temperature compared to the colder months, while still allowing for occasional warm summer days. With an average high reaching up to 38°C (101°F), it's a perfect time to enjoy outdoor activities, yet be prepared for unpredictable rain, as June records around 63 mm of precipitation over approximately 9 days. The average humidity of 82% underscores the lush, vibrant landscape typical of this season. Overall, June serves as a beautiful bridge from the cool, damp spring to the warmer summer months, providing a unique Seattle experience. For more insights on what to expect throughout the year, explore Seattle Climate.