Last updated: February 24, 2025
In July, Washington, United States experiences a dynamic weather profile characterized by a maximum temperature reaching a scorching 38°C (101°F), while the average temperature settles at a comfortable 27°C (81°F), dropping to a minimum of 15°C (59°F) during cooler evenings. This month typically sees 157 mm (6.2 in) of precipitation spread over 12 days, contributing to an overall humidity level of 74%. Visitors and residents alike should prepare for both sunny days and occasional rain, making it essential to embrace versatile summer attire to fully enjoy the vibrant Washington atmosphere.
In July, Washington, United States, experiences some of its warmest temperatures of the year, exhibiting a delightful summer atmosphere. The average temperature rises to a pleasant 27°C (81°F), with lows of 15°C (59°F) providing comfortable nights. Daytime highs can reach a scorching 38°C (101°F), showcasing the peak of summer heat. This pattern reflects a significant increase from the previous months, as the city transitions from the cool spring to the warm embrace of summer, making it an ideal time for outdoor activities and soaking up the sun. As summer unfolds, the gradual rise in temperature from the cooler months illustrates Washington's diverse climate, inviting residents and visitors alike to enjoy its vibrant seasonal offerings.
July in Washington, United States, marks a notable peak in precipitation, with an impressive 157 mm (6.2 in) recorded. This substantial rainfall occurs over 12 days, making it a significant month for moisture compared to its drier counterparts earlier in the year. The month not only surpasses June's 118 mm (4.7 in) but also sets the stage for August's 140 mm (5.5 in), suggesting a trend of increasing precipitation as summer progresses. Interestingly, while July's precipitation is high, the number of rainy days remains consistent, indicating that when it rains, it tends to pour. This pattern reflects the shifting dynamics of Washington's weather as the year unfolds, with July standing out as a pivotal point in the annual cycle of precipitation.
In July, the humidity in Washington, United States, dips to 74%, marking a notable decrease compared to the preceding months. This trend of declining humidity continues from June's 79%, suggesting a shift to drier summer conditions. As temperatures rise, residents can enjoy a bit of relief from the typical muggy atmosphere that characterizes the earlier parts of the year. While July showcases a low point in humidity, it is a part of a broader cycle where the months leading into fall gradually fluctuate between 72% in August and 75% in September, before climbing again in the later fall and winter months. This dynamic emphasizes the region’s seasonal rhythm, where summer offers a brief respite from the high humidity levels often experienced in other times of the year.
In July, Washington, United States, experiences a peak UV Index of 10, indicating a very high level of UV exposure. This consistent rating throughout June and July highlights summer's intense sunlight, with a notably short burn time of just 15 minutes for those unprotected. As temperatures rise, so does the significance of sun safety; residents and visitors must be vigilant, especially since the UV Index remains high during the preceding month of June and will slightly decrease to 9 in August. Understanding these trends is crucial for effective sun protection strategies. For more detailed insights, check out Washington UV Index.
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July shines brightly in Washington, United States, as it boasts a remarkable 356 hours of sunshine, the peak of the year. This month stands out, closing in on the longest days of summer, following a gradual increase in daylight hours from 150 in January. The sunny trend continues through spring, with April and May reaching 259 and 281 hours respectively, setting the stage for July's brilliance. Even as summer rolls into August with 321 hours, it becomes clear that July's radiant days create a vibrant backdrop for outdoor activities and gatherings, making it a cherished highlight of the season. As the year progresses, sunshine hours gradually taper off, reminding us just how fleeting this golden time is.
In Washington, July stands out with a 49% chance of sunny weather, reflecting a slightly more favorable outlook compared to the earlier summer months. This moderate likelihood hints at the transition towards sunnier conditions, particularly in contrast to June's lower 38% and August's even lesser 34%. While not the sunniest month overall, July's weather showcases a promising trend, as the region begins to experience the warmth and brightness of summer. Interestingly, this trend continues into September, where the chance of sunshine rises to 53%, suggesting that summer's embrace lingers a little longer before autumn sets in.
In July, Washington, United States enjoys a splendid 14 hours of daylight, consistent with the preceding month of June and slightly more than the upcoming August. This peak in daylight reflects the warm embrace of summer, fostering vibrant outdoor activities and extended gatherings. As the year progresses, daylight gradually retreats from the year’s zenith in July, echoing the slow transition towards autumn. The trends reveal an evolution from the shorter days of winter, where January and December barely offer 9 hours, to this high summer point, creating a seasonal rhythm that highlights the varying beauty of daylight throughout the year.
As July sweeps into Washington, the gentle breezes take center stage, with an average wind speed of just 2.2 m/s (5 mph). This marks a noticeable dip from the preceding months, where wind speeds hovered between 2.5 and 3.3 m/s. The trend highlights a transition into the heart of summer, where the warm air often feels stiller, inviting languid afternoons and balmy evenings. While June's winds provided a refreshing contrast to the rising temperatures, July brings a soft lull that envelopes the city, hinting at the calm that often accompanies the peak of summer. As the season progresses, the winds are expected to decline even further, with August forecasted to see a mere 1.9 m/s (4 mph), emphasizing a tranquil summer pace in the capital.
The weather in Washington changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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.
July and January present starkly contrasting weather experiences. In July, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 38°C (101°F), with an average of 27°C (81°F) and a humidity level of 74%. This summer month also sees around 157 mm (6.2 in) of precipitation over approximately 12 days, making it quite humid. In contrast, January offers a chillier climate, with temperatures dropping to a frigid minimum of -15°C (5°F) and reaching a maximum of 22°C (71°F), averaging just 3°C (37°F). This winter month experiences significantly less precipitation, totaling 61 mm (2.4 in) over 8 days and comes with a higher humidity of 84%. For more insights, check out Washington weather in January.
The weather in July and February in Washington, D.C., presents a stark contrast in both temperature and conditions. July boasts significantly warmer temperatures, with a minimum of 15°C (59°F) and an average of 27°C (81°F), peaking at a sweltering 38°C (101°F). In contrast, February experiences much colder temperatures, dipping to a minimum of -16°C (4°F) and averaging just 5°C (41°F), with a maximum of 28°C (82°F). Precipitation is more plentiful in July, totaling 157 mm (6.2 in) over about 12 days, whereas February sees a lesser amount of 98 mm (3.9 in) across 11 days. Additionally, the humidity in July is quite high at 74%, slightly lower than February's humid conditions at 83%. For more details on February weather, you can check Washington weather in February.
In comparing the weather of July and March, it's clear that these months present stark contrasts. July boasts a range of temperatures from a minimum of 15°C (59°F) to a sizzling maximum of 38°C (101°F), with an average of 27°C (81°F). The month is characterized by high humidity at 74% and significant rainfall, totaling 157 mm (6.2 in) over 12 days. In contrast, March experiences much cooler temperatures, with a minimum of -7°C (20°F), an average of 8°C (46°F), and a maximum of 28°C (83°F). The precipitation in March is also less intense, at 87 mm (3.4 in) over 10 days, although humidity is slightly higher at 83%. For a more detailed look at March weather, visit Washington weather in March.
In comparing the weather between July and April, it's clear that July is significantly warmer, with average temperatures reaching 27°C (81°F) compared to April’s 14°C (57°F). While both months experience multiple days of precipitation—12 days in July versus 11 in April—July sees a higher total precipitation of 157 mm (6.2 in) compared to April’s 100 mm (4.0 in). Additionally, July's humidity level is slightly lower at 74%, contrasted with April's 81%, which may contribute to a more comfortable feel despite the higher temperatures. For those interested in more details, you can check Washington weather in April.
In comparison to July, May experiences significantly cooler temperatures, with a minimum of 2°C (36°F) and an average of 19°C (66°F), while July sees a minimum of 15°C (59°F) and an average of 27°C (81°F). The maximum temperature in May reaches 34°C (94°F), compared to a scorching 38°C (101°F) in July. While both months receive a fair amount of precipitation, July records 157 mm (6.2 in) over 12 days, slightly more than May's 127 mm (5.0 in) over 13 days. Humidity levels remain relatively high in both months, but July's average humidity of 74% is somewhat lower than May’s 78%. For a deeper dive into the weather dynamics of May, check out Washington weather in May.
July weather presents a notable contrast to June, with average temperatures rising significantly from June's 24°C (75°F) to 27°C (81°F), and a higher maximum temperature peaking at 38°C (101°F) compared to June's 36°C (98°F). While both months experience precipitation for 12 days, July has a heavier rainfall total of 157 mm (6.2 in), surpassing June's 118 mm (4.7 in). Additionally, humidity in July is slightly lower at 74% compared to 79% in June, making the warmer temperatures a bit more bearable. For a closer look at June's climate, check out Washington weather in June.
In comparing the weather between July and August, July tends to be warmer with average temperatures reaching around 27°C (81°F) and maximums peaking at 38°C (101°F). In contrast, August experiences slightly cooler temperatures, averaging 25°C (77°F) and maxing out at 37°C (99°F). Both months are quite humid, with July having a humidity level of 74% compared to August's 72%. Precipitation is fairly consistent, with July recording 157 mm (6.2 in) over 12 days and August following closely behind with 140 mm (5.5 in) over 15 days. For more specific details about August weather, check out Washington weather in August.
July presents a much hotter climate compared to September, with average temperatures peaking at 27°C (81°F) and soaring to a maximum of 38°C (101°F), alongside significant humidity at 74%. The month also sees considerable rainfall, totaling 157 mm (6.2 in) over 12 days. In contrast, September experiences cooler conditions, with average temperatures dropping to 22°C (72°F) and a maximum of 36°C (97°F). Precipitation is also reduced to 95 mm (3.8 in) across 11 days, while humidity remains relatively stable at 75%. This transition from July to September marks a noticeable change in both temperature and precipitation levels, contributing to the overall shift in weather patterns as summer wanes. For more detailed insights, check out Washington weather in September.
In comparing July and October weather, July is characterized by much warmer temperatures, with averages reaching 27°C (81°F) and maximum highs soaring up to 38°C (101°F). The month also experiences notable humidity, averaging around 74%, along with significant rainfall of 157 mm (6.2 in) over 12 days. In contrast, October sees a considerable drop in temperatures, with averages around 17°C (62°F) and minimums dipping to 1°C (34°F), although maximums can still reach 36°C (97°F). The precipitation in October is lower at 104 mm (4.1 in), occurring over 9 days, but the humidity rises slightly to 81%. For more details on the weather patterns in October, visit Washington weather in October.
The weather in July and November presents a stark contrast, showcasing the extremes of seasonal change. July boasts warm temperatures, with averages reaching 27°C (81°F) and maximums soaring up to 38°C (101°F), accompanied by a considerable amount of rainfall at 157 mm (6.2 in) over 12 days and a humidity level of 74%. In contrast, November brings much cooler temperatures, with an average of just 8°C (47°F) and nighttime lows dipping to -6°C (21°F). While it has less overall precipitation at 81 mm (3.2 in) over 7 days, November's higher humidity at 85% contributes to a chillier and damp feeling in the air. For more details, you can check out Washington weather in November.
July and December present stark contrasts in climate. In July, temperatures soar with minimums around 15°C (59°F) and maximums reaching up to 38°C (101°F), resulting in a warm average of 27°C (81°F). The month experiences significant rainfall, totaling 157 mm (6.2 in) over about 12 days, accompanied by a humidity level of 74%. In contrast, December brings much colder conditions, with a chilling minimum of -10°C (13°F) and a moderate maximum of 20°C (69°F), yielding an average of just 5°C (41°F). Precipitation is lower at 93 mm (3.7 in) over 9 days, but the humidity remains high at 84%. For more details on winter conditions, check out Washington weather in December.
July in Washington offers a striking contrast to the rest of the year, with higher temperatures and increased humidity transforming the city into a summer haven. The air feels noticeably warmer, making outdoor activities both enjoyable and a bit sweltering at times. While precipitation occurs on about half the days of the month, it's typically outmatched by the allure of sunny skies and warmth. As you'll discover in more detail, experiencing a July in Washington is a unique blend of heat and humidity that sets it apart from the milder months. For more insights, check out Washington Climate.