July Weather in Arlington, United States

Last updated: February 24, 2025

July in Arlington, United States, welcomes the summer with soaring temperatures that can peak at an impressive 38°C (101°F), complemented by a comfortable average of 27°C (81°F). While the weather often feels warm and inviting, humidity levels hover around 74%, adding a sticky element to the summer heat. Rainfall is somewhat frequent, with a total precipitation of 157 mm (6.2 in) spread across 12 days. This blend of conditions creates a classic summer atmosphere, perfect for outdoor adventures—if you’re willing to embrace the occasional rain shower!

July Temperature in Arlington

In July, Arlington, United States, basks in the warmth of summer, with temperatures reaching an average of 27°C (81°F), a sharp contrast to the chilly depths of winter. The month kicks off with a comfortable minimum of 15°C (59°F), making it ideal for outdoor activities. As the days progress, residents and visitors can expect the heat to climb, peaking at a sweltering 38°C (101°F). This trend of rising temperatures is a hallmark of July, as it consistently showcases the highest maxima of the year. Overall, July embodies the essence of a classic summer, encouraging sun-soaked days and warm evenings, while also reminding us of the seasonal shifts that Arlington experiences throughout the year.

July Weather in Arlington: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Arlington, 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 Arlington 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.

July Precipitation in Arlington

In Arlington, United States, July marks a significant peak in precipitation, with an impressive 157 mm (6.2 in) falling across 12 days. This not only makes July the wettest month of the year but also highlights a noticeable uptick in rainfall compared to the preceding months. Following June's substantial 118 mm (4.7 in), July's moisture continues the trend of summer precipitation, surpassing both the beginning of the year and the typically dry months like February and March. This consistent hydration aids in keeping the landscape vibrant during the sweltering heat, setting the stage for the lush greenery that characterizes the region in late summer. As the season progresses into August, the precipitation remains high, but July undoubtedly stands out as the month that brings the most abundant rainfall.

July Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec619887100127118157140951058193
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Arlington

In July, Arlington experiences a notable dip in humidity, averaging around 74%, which is a refreshing break from the year's higher levels. This decline continues a gradual trend seen since May, where humidity levels have steadily decreased from 78% to their July low. Following July, humidity slightly rebounds in August at 72%, hinting at a warm summer's lingering presence while still remaining much more comfortable than the earlier months. As the seasons change, humidity rises again in the fall, peaking once more in the winter months, showcasing Arlington's dynamic weather patterns throughout the year.

July Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Arlington

In July, Arlington experiences its peak UV Index of 10, categorizing the exposure as very high and necessitating particular caution for outdoor activities. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to take protective measures, such as using sunscreen and wearing protective clothing. This trend of elevated UV levels throughout the summer months highlights a consistent pattern, as both June and July share the same intensity. As the summer progresses into August, the UV Index slightly dips to 9 but remains in the very high category, reminding everyone to stay vigilant against sun exposure. For more details on UV Index trends throughout the year, visit Arlington UV Index.

Maximum UV Index Levels in Arlington for July

The chart shows the monthly maximum UV Index (UVI) for Arlington in July, 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: Arlington July 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.

July Sunshine in Arlington

July shines brightly in Arlington, offering an impressive 356 hours of sunlight, making it the sunniest month of the year. The trend leading up to July reflects a steady increase in daylight, beginning with a modest 150 hours in January and ramping up to 330 hours by June. This surge reaches its peak in July, highlighting the summer's vibrant embrace. Following this peak, the sunlight begins to gradually decline through August and into the fall months, which still boast a respectable amount of sunny days, but never quite match the midsummer brilliance. This rhythm of light not only enhances the beauty of Arlington's landscapes but also elevates the spirit of the community as it basks in the warmth of summer.

Monthly Sunshine Duration in Arlington: July Highlighted

The July sunshine duration represents the total number of hours Arlington experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec150h180h259h259h281h330h356h321h277h246h226h191h
Data source: Arlington July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arlington During July

In Arlington, the likelihood of sunny weather in July stands at 49%, indicating a promising summer outlook. This figure aligns closely with the trend observed in the months leading up to it, particularly as the chances of sunshine have fluctuated, peaking in March at 52% and experiencing a dip in the preceding months of June and May. While August sees a noticeable decrease to 34%, July offers a sweet spot of summer sun before the variance resumes. Interestingly, the pattern reveals that as we progress into the latter half of the year, the chances of sunny days often brighten, with September showing the highest likelihood at 53%. Thus, July serves as a transitional month that holds its own in the quest for sunny skies.

Percentage of Sunny Days in July in Arlington

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

Daylight Hours in Arlington in July

In Arlington, United States, July shines brightly with an impressive 14 hours of daylight, maintaining the same luminous glow as June. This peak summer month epitomizes the gradual progression of sunlight that begins as early as January with 9 hours and steadily climbs to its zenith in midsummer. As the year warms up, daylight duration increases, reaching its high at 14 hours in both July and June, before gracefully transitioning back down to 13 hours in August and decreasing further as autumn approaches. This rhythmic ebb and flow of daylight not only enhances outdoor activities but also deepens the appreciation for the natural beauty of Arlington throughout the seasons.

Average Daylight Hours in Arlington for July

The chart illustrates the variation in daylight duration in Arlington throughout the year, with July 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: Arlington daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Arlington

In July, Arlington experiences its calmest winds of the year, with an average speed dipping to 2.2 m/s (5 mph). This period marks a notable decline from the slightly breezier months of spring and early summer, where average wind speeds hovered around 3.0 m/s (7 mph). As the summer heat settles in, the winds gradually wane, continuing a trend observed from May's 2.8 m/s to June's 2.5 m/s. The light, gentle breezes of July set the stage for tranquil summer days, while the upcoming months signal a slight resurgence of wind by September. Overall, the transition into mid-summer in Arlington reveals a gradual easing of wind, creating a serene, sun-soaked atmosphere perfect for outdoor activities.

Average July Wind Speed in Arlington

The chart displays monthly wind speed patterns in Arlington, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.33.32.82.52.2 m/s1.92.62.82.92.8
Data source: Arlington July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Arlington Compares to Other Months

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

When comparing the weather in July and January, stark contrasts become evident. July experiences warm temperatures, ranging from a minimum of 15°C (59°F) to a scorching maximum of 38°C (101°F), with an average temperature of 27°C (81°F). The humidity is relatively high at 74%, and the month sees considerable rainfall, totaling 157 mm over 12 days. In contrast, January is much colder, with temperatures dipping to a minimum of -15°C (5°F) and peaking at 22°C (71°F), resulting in an average of just 3°C (37°F). Although January has less precipitation at 61 mm over 8 days, the humidity is slightly higher at 84%. For more details on January's weather patterns, you can refer to Arlington weather in January.

July and February present striking contrasts in weather. July boasts warm temperatures, with an average of 27°C (81°F) and highs soaring to 38°C (101°F), while February experiences much colder conditions, featuring an average temperature of just 5°C (41°F) and a chilling minimum of -16°C (4°F). Precipitation is more frequent in July, totaling 157 mm (6.2 in) over 12 days, compared to February's 98 mm (3.9 in) over 11 days. Interestingly, February has a higher humidity level at 83%, compared to July's 74%. For more details, you can check out Arlington weather in February.

July and March present dramatically different weather patterns. In July, temperatures can soar to a maximum of 38°C (101°F), with an average temperature of 27°C (81°F) and a minimum of 15°C (59°F), creating a hot and humid climate with 74% humidity. In contrast, March experiences much cooler temperatures, ranging from a minimum of -7°C (20°F) to an average of 8°C (46°F) and a maximum of 28°C (83°F). Additionally, while July sees significant rainfall of 157 mm (6.2 in) over 12 days, March has less precipitation at 87 mm (3.4 in) over 10 days and higher humidity at 83%. For further details on March conditions, you can check out Arlington weather in March.

In contrast to the warmer and more humid July, April offers a much cooler climate, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 32°C (91°F). July's temperatures soar to an average of 27°C (81°F), peaking at 38°C (101°F), making it significantly hotter overall. Additionally, July experiences higher precipitation, with 157 mm (6.2 in) over 12 days, compared to April's 100 mm (4.0 in) over 11 days. Humidity levels are also quite high in both months, but July holds slightly lower humidity at 74% compared to April's 81%. For more details on April weather, you can visit Arlington weather in April.

In comparing the weather between May and July, it's clear that July experiences significantly warmer temperatures, with an average of 27°C (81°F) compared to May's milder average of 19°C (66°F). While July's minimum temperature of 15°C (59°F) is higher than May's chilly 2°C (36°F), it also boasts a greater maximum temperature, peaking at 38°C (101°F) compared to May's 34°C (94°F). Despite the warmth, July also sees more precipitation at 157 mm (6.2 in) over 12 days, while May has a slightly lower rainfall total of 127 mm (5.0 in) across 13 days. Humidity levels in both months are relatively high, with July at 74% and May slightly higher at 78%. For more details on the conditions during May, check out Arlington weather in May.

In comparing the weather between June and July, July typically experiences warmer temperatures with a minimum of 15°C (59°F) and an average of 27°C (81°F), as opposed to June's lower minimum of 9°C (48°F) and an average of 24°C (75°F). The maximum temperature in July can reach up to 38°C (101°F), whereas June peaks at 36°C (98°F). July also sees more precipitation, accumulating 157 mm (6.2 in) over 12 days compared to June's 118 mm (4.7 in) during the same number of days. Additionally, humidity levels are slightly lower in July at 74%, compared to June's 79%. For more details, you can refer to Arlington weather in June.

The weather in July is typically warmer than in August, with average temperatures reaching 27°C (81°F) compared to August's 25°C (77°F). July experiences higher maximum temperatures as well, peaking at 38°C (101°F) versus August's 37°C (99°F). Precipitation is slightly higher in July, totaling 157 mm (6.2 in) over 12 days, while August sees 140 mm (5.5 in) of rain across 15 days. Additionally, humidity is marginally lower in August at 72% compared to July’s 74%. For more detailed information, you can check Arlington weather in August.

July and September present a striking contrast in weather patterns. July boasts a warmer climate with average temperatures around 27°C (81°F) and maximums reaching as high as 38°C (101°F), accompanied by significant precipitation totaling 157 mm (6.2 in) over 12 days, resulting in high humidity levels of 74%. In comparison, September sees a notable drop in temperatures, with averages around 22°C (72°F) and minimums dipping as low as 5°C (42°F), although the maximum can still reach 36°C (97°F). Precipitation in September is lower at 95 mm (3.8 in) over 11 days, and humidity remains relatively high at 75%. For a more detailed look at the weather conditions in September, you can refer to Arlington weather in September.

In comparing the weather between July and October, it's clear that July boasts much warmer temperatures, with averages reaching 27°C (81°F) and highs maxing out at 38°C (101°F). In contrast, October's temperatures drop significantly, with an average of 17°C (62°F) and a maximum of 36°C (97°F). While July experiences about 157 mm (6.2 in) of precipitation over 12 days, October sees less rainfall at 104 mm (4.1 in) spread across just 9 days. Interestingly, humidity levels are also higher in October at 81%, compared to July's 74%. For a more detailed look at the weather in October, you can visit Arlington weather in October.

July and November present stark contrasts in weather. July boasts warm temperatures with a minimum of 15°C (59°F), an average of 27°C (81°F), and a maximum reaching up to 38°C (101°F). However, it is also characterized by considerable rainfall, with 157 mm (6.2 in) of precipitation over approximately 12 days and a humidity level of 74%. In contrast, November experiences much cooler conditions, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 25°C (78°F) and an average of 8°C (47°F). This month sees less precipitation, totaling 81 mm (3.2 in) over about 7 days, yet it has higher humidity at 85%. For a more detailed look at weather patterns, you can check out Arlington weather in November.

The weather in July and December presents stark contrasts in Arlington. July boasts a warm climate with temperatures ranging from a minimum of 15°C (59°F) to a scorching maximum of 38°C (101°F), combined with high humidity at 74% and significant precipitation of 157 mm (6.2 in) over 12 days. In contrast, December experiences much colder temperatures, with an average of 5°C (41°F) and lows dipping to as low as -10°C (13°F). While December sees less rainfall, totaling 93 mm (3.7 in) across 9 days, humidity remains high at 84%. For more detailed insights about the cold month, check out Arlington weather in December.

Compare Arlington's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Arlington

July in Arlington brings a vibrant shift in weather, characterized by higher temperatures and increased humidity compared to other months. With the thermometer often soaring close to 38°C (101°F), residents experience the peak of summer heat. This sweltering warmth pairs with a considerable amount of precipitation spread over about twelve days, creating a unique blend of sunny skies and fleeting summer showers. The average humidity hovers around 74%, contributing to a stickier atmosphere that can feel quite different from the rest of the year. For a deeper dive into how July fits into the overall climate patterns throughout the year, visit Arlington Climate.