Last updated: February 24, 2025
August in Arlington, United States, is characterized by warm to hot conditions, with maximum temperatures soaring up to 37°C (99°F) and an average of 25°C (77°F). The month experiences a minimum temperature of 14°C (58°F), providing a brief respite from the heat during cooler evenings. However, the weather is also marked by considerable moisture, as 140 mm (5.5 in) of rain falls over 15 days, contributing to a humidity level of 72%. This blend of temperature and precipitation creates a tropical ambiance, perfect for enjoying the lush outdoors while remaining prepared for occasional summer showers.
In Arlington, August brings a warm embrace, as temperatures reach their peak for the year. With minimums hovering at 14°C (58°F) and maximums soaring to a sizzling 37°C (99°F), this month is characterized by an average temperature of 25°C (77°F), making it a prime time for outdoor activities. Compared to the cooler months earlier in the year, August's warmth signifies the height of summer, where the days are long and the sun shines brightly. As autumn approaches, the notable drop in temperatures in September serves as a reminder that these summery vibes are fleeting. Enjoy the heat while it's here, for soon, Arlington will transition to cooler days.
In Arlington, August emerges as a particularly wet month, with an impressive 140 mm (5.5 in) of precipitation recorded over 15 days. This marks a notable peak in the year, following a steady increase from the spring months. After July's high of 157 mm (6.2 in), August continues the trend of significant rainfall, though slightly less intense. The increased precipitation in these summer months supports the lush greenery of the region but also indicates a pattern of fluctuating summer storms that can create a more humid and dynamic atmosphere. As summer transitions to fall, the precipitation begins to taper off, with September experiencing a drop to 95 mm (3.8 in), highlighting the shift in seasonal weather patterns.
In August, Arlington experiences a noticeable dip in humidity, with levels dropping to 72%—the lowest point of the year. This decline marks a trend that begins mid-summer, as July's humidity stands at 74%, easing the oppressive moisture typical of the preceding months. The transition from high humidity in the winter months, peaking in January and November at 84%, to the more comfortable late summer air, highlights a gradual seasonal shift. As autumn approaches, humidity levels begin to rise slightly again in September, hinting at the returning moisture. Overall, August symbolizes a refreshing reprieve in Arlington's typically humid climate, paving the way for a pleasant early fall.
As summer transitions into late August in Arlington, the UV Index remains highly notable, peaking at 9. This level indicates a very high exposure category, requiring residents and visitors to take precautions against potential sunburn, with a burn time of just 15 minutes. Following a steady rise from January's moderate index of 3, the UV levels reached a crescendo of 10 during the mid-summer months of June and July. While August marks a slight drop, the intensity still suggests that sun safety measures are essential. Observing this trend throughout the year highlights the importance of being vigilant during the sunnier months. For more detailed information, visit Arlington UV Index.
UV Risk Categories
In Arlington, United States, the August sunshine brings a captivating blend of warmth and brightness, contributing to a total of 321 hours of sunshine. This month stands as a peak of summer glory, following the dazzling July, which boasts the highest sunshine total of 356 hours. The trend showcases a gradual increase in sunlight from the early months, starting at a modest 150 hours in January and surging to the summer's climax. As summer begins to wane, August's illumination remains robust, though slightly diminished when compared to July. As the year transitions towards its cooler months, we see a decline in sunshine hours, with September dropping to 277 hours. Overall, the progression of sunlight throughout the year highlights Arlington's dynamic seasonal shifts, with August serving as a shimmering peak in the summer sunshine experience.
In Arlington, the likelihood of sunny weather in August tends to dip to 34%, marking a notable decrease from the more favorable conditions seen in the mid-summer months of July, which boasts a 49% chance of sunshine. This trend continues as we transition into the fall, with September offering a brighter outlook at 53%. While July shines as one of the sunniest months, August signals a shift, with weather patterns suggesting increased cloud cover. It's essential for residents and visitors alike to plan for both sunny days and overcast skies in this transitional period.
In Arlington, United States, the shift in daylight duration throughout the year reveals a striking seasonal rhythm. After basking in a peak of 14 hours of daylight during the summer months of June and July, August marks a gentle decline to 13 hours, signaling the gradual transition towards autumn. This subtle reduction mirrors the waning warmth of summer, as daylight hours progressively shorten from September onward. The trend showcases a clear pattern: the year begins with a modest 9 hours in January, steadily increasing to a summer zenith before tapering off, enveloping Arlington in the cozy embrace of shorter days as it heads into the latter part of the year.
In August, the average wind speed in Arlington dips to a gentle 1.9 m/s (4 mph), marking the year's calmest month. This decline follows a gradual reduction in wind speeds throughout the summer, from 3.3 m/s in April to a mere whisper in August. The trend indicates a shift from the brisk breezes of the earlier months, offering a tranquil atmosphere as the summer heat peaks. However, with September on the horizon, a mild resurgence in winds can often be expected, bringing with it a hint of fall’s arrival. The overall pattern showcases Arlington's seasonal variation, where lively winds give way to the stillness of late summer before nature reawakens in the autumn.
The weather in Arlington changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August'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.
August and January present stark contrasts in weather. In August, temperatures range from a mild 14°C (58°F) to a sizzling maximum of 37°C (99°F), accompanied by significant rainfall totaling 140 mm (5.5 in) over approximately 15 days. Humidity is relatively high at 72%, making the heat feel even more intense. In contrast, January experiences much colder temperatures, with a minimum of -15°C (5°F) and an average of just 3°C (37°F), peaking at 22°C (71°F). Precipitation is lower in January, with only 61 mm (2.4 in) falling over 8 days, but the humidity is higher at 84%. This seasonal shift highlights the extremes of Arlington's climate. For a deeper insight into January's weather, visit Arlington weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures range from a mild 14°C (58°F) to a sweltering maximum of 37°C (99°F), with an average of 25°C (77°F). The month sees around 140 mm (5.5 in) of precipitation, spread over 15 days, accompanied by a humidity level of 72%. In contrast, February showcases a much colder climate, with temperatures dipping as low as -16°C (4°F) and averaging only 5°C (41°F), peaking at 28°C (82°F). The precipitation is lower at 98 mm (3.9 in) across 11 days, but humidity levels are slightly higher at 83%. For a deeper look into February weather patterns, check Arlington weather in February.
August and March present contrasting weather patterns. August typically enjoys warmer temperatures, with averages around 25°C (77°F) and a maximum reaching as high as 37°C (99°F), while March features cooler averages of 8°C (46°F) and can reach a maximum of 28°C (83°F). Precipitation is more frequent in August, with rain occurring on about 15 days and totaling 140 mm (5.5 in), compared to March's 87 mm (3.4 in) over 10 days. Additionally, March tends to be more humid with levels around 83%, contrasted with August’s slightly lower 72%. For a deeper dive into March weather specifics, you can check Arlington weather in March.
When comparing the weather in August and April, it’s clear that there are significant differences in both temperature and precipitation. August experiences warmer temperatures, with a minimum of 14°C (58°F) and an average of 25°C (77°F), reaching highs of up to 37°C (99°F). This month sees more rainfall, with 140 mm (5.5 in) of precipitation over 15 days and humidity levels around 72%. In contrast, April is much cooler, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 32°C (91°F), and an average of 14°C (57°F). While April has less total precipitation at 100 mm (4.0 in) over 11 days, it also has higher humidity at 81%. For a closer look at April's weather in Arlington, you can visit Arlington weather in April.
When comparing the weather in August and May, notable differences emerge. August boasts a more extensive temperature range, with minimums of 14°C (58°F) and maximums reaching as high as 37°C (99°F), culminating in an average temperature of 25°C (77°F). This month also experiences higher humidity levels at 72% and more rainfall over 15 days, totaling 140 mm (5.5 in). In contrast, May is characterized by cooler temperatures, where minimums dip to 2°C (36°F), with an average of 19°C (66°F) and maximums hitting 34°C (94°F). Despite slightly less precipitation at 127 mm (5.0 in) across 13 days, May maintains a higher humidity level of 78%. For a detailed look at the conditions, check out Arlington weather in May.
When comparing the weather in August and June, August tends to be warmer, with average temperatures reaching 25°C (77°F), while June averages slightly lower at 24°C (75°F). However, August experiences more variability, with maximum temperatures soaring to 37°C (99°F) compared to June's peak of 36°C (98°F). Additionally, August sees more rainfall, accumulating 140 mm (5.5 in) over about 15 days, whereas June has slightly less at 118 mm (4.7 in) across 12 days. Interestingly, the humidity is generally lower in August at 72%, compared to June's 79%, making August feel a bit more comfortable despite the higher temperatures. For more detailed insights, you can check out Arlington weather in June.
In comparing the weather between July and August, July tends to be slightly warmer with an average temperature of 27°C (81°F) and a maximum of 38°C (101°F), while August averages a cooler 25°C (77°F) with a maximum of 37°C (99°F). Although July has a marginally higher humidity level at 74%, August follows closely with 72% humidity. Precipitation is also noteworthy, with August receiving 140 mm (5.5 in) over 15 days, compared to July's 157 mm (6.2 in) over 12 days. For a more detailed overview, you can check out Arlington weather in July.
In August, temperatures in Arlington range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (77°F). The month is characterized by high humidity at 72% and significant precipitation, totaling 140 mm (5.5 in) over 15 days. In contrast, September sees cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 36°C (97°F), resulting in a slightly lower average of 22°C (72°F). Precipitation decreases to 95 mm (3.8 in) over 11 days, while humidity remains relatively similar at 75%. For more details on the weather in September, visit Arlington weather in September.
August and October present strikingly different weather patterns. In August, temperatures soar with a range from a mild 14°C (58°F) to a scorching 37°C (99°F), while October offers much cooler averages, with lows reaching 1°C (34°F) and highs of 36°C (97°F). Precipitation in August is relatively high at 140 mm (5.5 in) over 15 days, contrasted with October's 104 mm (4.1 in) over just 9 days. Additionally, October's humidity rises to 81%, slightly higher than August’s 72%, reflecting the changing season. For a more detailed look at October weather, you can check out Arlington weather in October.
August and November exhibit stark contrasts in weather conditions. In August, temperatures range from a minimum of 14°C (58°F) to a sweltering maximum of 37°C (99°F), with an average of 25°C (77°F). This month also experiences significant rainfall, totaling 140 mm (5.5 inches) across 15 days, accompanied by a humidity level of 72%. In contrast, November brings a much cooler climate, with temperatures dipping as low as -6°C (21°F) and peaking at 25°C (78°F), averaging around 8°C (47°F). Precipitation in November is lighter, totaling 81 mm (3.2 inches) over just 7 days, yet the humidity rises to 85%. For more details on this month's weather, you can refer to Arlington weather in November.
August and December present stark contrasts in weather. In August, temperatures typically range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (77°F). This month also sees significant rainfall, with 140 mm (5.5 in) of precipitation spread over 15 days and humidity averaging 72%. In contrast, December brings much colder temperatures, with a minimum of -10°C (13°F), an average of 5°C (41°F), and a maximum of 20°C (69°F). Precipitation decreases to 93 mm (3.7 in) over just 9 days, but humidity rises slightly to 84%. For more details, check out Arlington weather in December.
August in Arlington brings a unique blend of warmth and humidity, making it distinct from other months in the year. With daytime highs reaching up to a sweltering 37°C (99°F) and an average temperature of 25°C (77°F), this month stands out as one of the hottest. The elevated humidity levels at 72% can make the heat feel even more intense, contributing to a muggy atmosphere. Additionally, frequent rainfall, with about 15 days of precipitation totaling 140 mm (5.5 in), introduces a refreshing yet unpredictable element to outdoor activities. This combination of heat and rain sets August apart, offering a tropical feel that contrasts sharply with the cooler and drier months ahead. For a deeper dive into the weather patterns and climate of Arlington, check out Arlington Climate.