June Weather in Washington, United States

Last updated: February 24, 2025

June in Washington, United States, offers a dynamic weather experience characterized by warm temperatures and occasional rain. With maximum daytime highs reaching up to 36°C (98°F) and a comfortable average of 24°C (75°F), residents and visitors can expect a blend of sunny days and cooler nights, dipping to a refreshing 9°C (48°F). This month also sees average precipitation of 118 mm (4.7 in) spread over about 12 rainy days, contributing to a humidity level of 79%. Whether you're enjoying outdoor activities or seeking shelter from a sudden downpour, June's weather in Washington is both inviting and unpredictable.

June Temperature in Washington

In Washington, United States, June marks the beginning of summer with a noticeable warmth that sets the tone for the season. With minimum temperatures rising to 9°C (48°F) and average highs soaring to 36°C (98°F), the month showcases a significant leap from the cooler spring temperatures. This transition is evident as the average temperature reaches a comfortable 24°C (75°F), inviting residents and tourists alike to enjoy outdoor activities under the sun. The noticeable warmth in June is a precursor to the even hotter months ahead, as July and August follow suit with their peaks. As the state shakes off the chill of winter, June offers a delightful embrace of summer sunshine, a welcome backdrop for vibrant festivals and bustling outdoor life.

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

The chart illustrates June temperature patterns in Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374146566675807772624740
Data source: Temperature data for Washington generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Washington

June in Washington, United States, marks a continuation of the region's wet spring, with an average precipitation of 118 mm (4.7 in) falling over 12 days. This amount is a slight decrease from May's 127 mm (5.0 in), signaling the transition into the drier summer months ahead. Interestingly, despite the reduction in total rainfall, June’s precipitation still remains significant, setting the stage for lush landscapes that characterize the Pacific Northwest. As the season progresses into July, the rainfall increases to 157 mm (6.2 in) over the same number of days, suggesting that summer storms are becoming more prevalent, contributing to a pattern of fluctuating wetness that defines Washington's climate.

June Precipitation Trends in Washington

The chart displays monthly precipitation patterns in Washington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec619887100127118157140951058193
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Washington

In June, Washington, United States, experiences a modest decline in humidity, averaging around 79%. This slight drop marks a continuation of the trend from earlier months, where humidity levels gradually decreased from 84% in January to 78% in May. While June remains relatively humid, it signals the onset of summer, leading into July and August, when humidity further lessens to 74% and 72% respectively. This seasonal shift not only contributes to a more comfortable atmosphere but also sets the stage for drier conditions throughout the summer months, contrasting sharply with the increasing humidity seen in the fall and winter. Overall, June serves as a pivotal month, bridging the transition to the drier climate of the summer.

June Average Humidity in Washington

This chart illustrates the average monthly humidity levels in Washington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Washington

As summer settles in, June in Washington, United States, marks a peak in the UV Index, reaching a level of 10, placing it firmly in the very high exposure category with a burn time of just 15 minutes. This trend follows the intensity ramp-up seen in May, where the UV Index also hit 10. The months leading up to June exhibit a gradual increase in UV exposure, from a moderate 3 in January to an alarming 9 by April, emphasizing the need for sun protection as the temperatures rise. As the season progresses, residents should remain vigilant, as both July and August maintain the same heightened UV Index, making outdoor activities enjoyable but demanding careful management of sun exposure. To explore more on UV trends and safety measures, check out Washington UV Index.

Maximum UV Index Levels in Washington for June

The chart shows the monthly maximum UV Index (UVI) for Washington 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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Washington 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 Washington

As June unfolds in Washington, the daylight hours reach their peak, boasting an impressive 330 hours of sunshine. This month marks a notable transition from the relatively modest sunlight of winter, where January sees just 150 hours, to the vibrant, sunlit days of summer. The gradual climb in hours from February's 180 hours to the joyful warmth of May's 281 hours sets the stage for June's radiant arrival. Following June, the sunlight remains abundant through July, reaching a high of 356 hours, while August begins to taper off slightly. This trend highlights Washington's delightful summer, where residents can bask in the sun's embrace long into the season, rejuvenating the spirit before the cooler months arrive.

Monthly Sunshine Duration in Washington: June Highlighted

The June sunshine duration represents the total number of hours Washington 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h180h259h259h281h330h356h321h277h246h226h191h
Data source: Washington June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Washington During June

While June in Washington, United States, tends to be a transition month, the likelihood of sunny weather sits at a moderate 38%. This percentage reflects a slight dip from the sunnier spring months, with May boasting a healthier 40% chance of sunshine. Remarkably, as the year progresses, the chances of sun tend to fluctuate, peaking in September at 53% and dropping to 28% in February. Despite June's relatively less sunny disposition, it does offer a promising backdrop to the summer that follows, particularly as the weather patterns shift favorably in July and beyond. So, while you might not guarantee sunbathing this June, there’s still a decent chance to enjoy some radiant days!

Percentage of Sunny Days in June in Washington

The chart illustrates the percentage of sunny days in Washington 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 Washington experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%28%53%48%40%38%49%34%53%40%56%37%
Data source: Washington June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Washington in June

As summer approaches in Washington, June shines brightly with 14 hours of daylight, mirroring the peak daylight of May and July. This extended daylight invites residents to savor the outdoors, reminiscent of the gradual increase that began in January with just 9 hours. From the early signs of spring in March, where days lengthened to 11 hours, to the vibrant 14 hours of June, the transition is both striking and invigorating. The gentle decline begins in August, hinting at the approaching autumn, but for now, Washington bask in the glory of long, sun-soaked days that make June a cherished time of year.

Average Daylight Hours in Washington for June

The chart illustrates the variation in daylight duration in Washington throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 32m13h 36m12h 23m11h 7m10h 1m9h 28m
Data source: Washington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Washington

As June arrives in Washington, United States, the gentle breezes of early summer begin to unfold, characterized by an average wind speed of 2.5 m/s (6 mph). This marks a noticeable decline from the spring months, where winds hovered around 3.3 m/s (7 mph) in both March and April. The shift to milder breezes not only heralds the warmth of summer but also hints at an upcoming trend of decreasing wind speeds throughout the summer months, with July and August forecasted to experience even calmer conditions. This gradual reduction in wind activity contrasts with the slightly more turbulent months of earlier in the year, illustrating a rhythmic transition that harmonizes beautifully with the season's vibrant energy.

Average June Wind Speed in Washington

The chart displays monthly wind speed patterns in Washington, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.33.32.82.5 m/s2.21.92.62.82.92.8
Data source: Washington June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Washington Compares to Other Months

The weather in Washington 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 Washington and find detailed weather information for every month.

June and January present strikingly different weather patterns. In June, temperatures range from a cool 9°C (48°F) to a scorching 36°C (98°F), with an average of 24°C (75°F), making it one of the warmest months of the year. The high humidity of 79% and 118 mm (4.7 in) of precipitation over 12 days create a tropical feel. In contrast, January features much colder conditions, with temperatures ranging from a frigid -15°C (5°F) to a maximum of 22°C (71°F) and an average temperature of just 3°C (37°F). While January experiences less precipitation at 61 mm (2.4 in) over 8 days, the humidity is slightly higher at 84%. For more specifics on January weather, check out Washington weather in January.

June and February present strikingly different weather patterns. June boasts a much warmer climate, with average temperatures reaching 24°C (75°F) and maximums soaring up to 36°C (98°F). In contrast, February experiences cooler conditions, characterized by an average of just 5°C (41°F) and minimums plummeting to -16°C (4°F). While both months see a similar number of precipitation days—12 in June and 11 in February—June receives slightly more rain at 118 mm (4.7 in) compared to February's 98 mm (3.9 in). Humidity levels are fairly close, with February at 83% and June at 79%. For more information on February weather, check out this link: Washington weather in February.

In comparing the weather between June and March, it's clear that June offers a much warmer climate, with average temperatures reaching 24°C (75°F) compared to March's chilly average of 8°C (46°F). While March sees a minimum temperature of -7°C (20°F), June's temperatures rarely drop below 9°C (48°F) and can peak at a scorching 36°C (98°F). Precipitation levels are slightly higher in June at 118 mm (4.7 in) over 12 days, compared to March's 87 mm (3.4 in) over 10 days. Interestingly, humidity levels are relatively close, with June at 79% and March at 83%, making both months feel quite humid. For a more detailed look at March weather, visit Washington weather in March.

When comparing the weather between April and June, there are notable differences in temperature and precipitation. June experiences warmer temperatures with a minimum of 9°C (48°F) and an average of 24°C (75°F), peaking at a maximum of 36°C (98°F). In contrast, April starts much cooler, with temperatures ranging from a minimum of -2°C (28°F) to an average of 14°C (57°F), and a maximum of 32°C (91°F). Precipitation in June is slightly higher at 118 mm (4.7 in) over 12 days, compared to April's 100 mm (4.0 in) over 11 days. Humidity levels are relatively similar, with June at 79% and April at 81%. For more details on April weather, you can check Washington weather in April.

In comparing the weather of June and May, June generally experiences higher temperatures, with a minimum of 9°C (48°F) and an average of 24°C (75°F), compared to May's minimum of 2°C (36°F) and an average of 19°C (66°F). The maximum temperatures in June reach up to 36°C (98°F), slightly surpassing May's maximum of 34°C (94°F). While June sees a total precipitation of 118 mm (4.7 in) over 12 days, May has slightly more rain at 127 mm (5.0 in) across 13 days. Humidity levels remain comparable, with June at 79% and May at 78%. For more insights on the weather in May, check out Washington weather in May.

June and July exhibit notable differences in weather patterns. June typically has a minimum temperature of 9°C (48°F) and averages around 24°C (75°F), peaking at a maximum of 36°C (98°F). In contrast, July starts warmer with a minimum of 15°C (59°F) and reaches an average of 27°C (81°F), with highs up to 38°C (101°F). Additionally, July experiences more rainfall, with 157 mm (6.2 in) over the same number of precipitation days as June, which sees 118 mm (4.7 in). The humidity also shows a slight decrease in July, dropping to 74% from June's 79%. For more detailed insights, you can view the Washington weather in July.

In comparing the weather between June and August, we can observe some notable differences. June experiences a wider temperature range, with a minimum of 9°C (48°F) and a maximum reaching up to 36°C (98°F), while August is slightly warmer overall, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F). Precipitation also increases from June to August, with June receiving 118 mm (4.7 in) over 12 days compared to August's 140 mm (5.5 in) over 15 days. Additionally, June has a higher humidity level at 79%, while August's humidity is a bit lower at 72%. For more details on the weather patterns during this month, you can check out Washington weather in August.

When comparing the weather in June and September, it's evident that both months feature warm temperatures with a maximum of 36°C (97°F). However, June tends to be warmer overall, with an average temperature of 24°C (75°F) compared to September's 22°C (72°F). Additionally, June experiences higher humidity at 79%, while September's humidity is slightly lower at 75%. Precipitation is also more abundant in June, with 118 mm (4.7 in) over 12 days, whereas September sees just 95 mm (3.8 in) across 11 days. For more detailed information, you can visit Washington weather in September.

In June, temperatures are generally warmer, with a minimum of 9°C (48°F) and an average high of 36°C (98°F), creating a more summery feel. The month also experiences higher rainfall, with about 118 mm (4.7 in) spread over 12 days, combined with a humidity level of 79%. In contrast, October sees cooler temperatures, starting at a minimum of 1°C (34°F) and averaging around 17°C (62°F), while still reaching a maximum of 36°C (97°F). Precipitation is a bit lower at 104 mm (4.1 in) over just 9 days, but humidity slightly increases to 81%. For a detailed overview of what to expect, you can explore Washington weather in October.

June and November present contrasting climates, reflecting a significant shift in weather conditions. In June, temperatures soar with a minimum of 9°C (48°F) and an average of 24°C (75°F), peaking at a hot 36°C (98°F). The month experiences substantial precipitation, totaling 118 mm (4.7 in) over 12 days, coupled with a humidity level of 79%. In contrast, November brings a much cooler atmosphere, with minimum temperatures plummeting to -6°C (21°F) and an average of just 8°C (47°F), while the maximum reaches 25°C (78°F). Precipitation decreases to 81 mm (3.2 in) across 7 days, and humidity slightly increases to 85%. For more details on the climate, you can check Washington weather in November.

In comparing the weather between June and December, it's clear that these months offer stark contrasts. June boasts a comfortable average temperature of 24°C (75°F), peaking at a warm 36°C (98°F), while December's average drops significantly to just 5°C (41°F), with maximum temperatures reaching only 20°C (69°F). Additionally, June experiences higher precipitation levels, totaling 118 mm (4.7 in) over 12 days, compared to December's 93 mm (3.7 in) over 9 days. Humidity levels are relatively similar, with June at 79% and December slightly higher at 84%. For a more detailed look at December weather, you can visit Washington weather in December.

Compare Washington's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Washington

As June unfolds in Washington, D.C., the weather begins to shift from the cool, crispness of spring to the warmth of summer. With an average temperature rising to a pleasant 24°C (75°F), residents and visitors can expect more sunny days, despite experiencing occasional rainfall on about 12 days throughout the month. The humidity levels tend to climb, making the air feel warmer and a bit sticky, which contrasts sharply with the drier, cooler periods of earlier months. This transition toward summer brings outdoor activities back into full swing, inviting everyone to enjoy the beautiful parks and vibrant streets. For a more in-depth look at how June weather in Washington aligns with the yearly climate patterns, check out Washington Climate.