Last updated: February 24, 2025
In October, Arlington, United States experiences a dynamic climate characterized by a maximum temperature soaring to 36°C (97°F), while the average temperature settles at a mild 17°C (62°F), and nights can dip to a brisk 1°C (34°F). This month also brings 104 mm (4.1 in) of precipitation over approximately 9 days, contributing to the region's 81% humidity. Whether basking in warm sun or preparing for cooler nights, October in Arlington presents a unique blend of weather that keeps both residents and visitors on their toes.
In October, Arlington, United States, experiences a notable shift as cooler autumn weather sets in. With temperatures ranging from a minimum of 1°C (34°F) to a maximum of 36°C (97°F), the month boasted an average of 17°C (62°F), making it a refreshing transition from the summer heat. As September's warm days fade, October delivers a crisp vibrancy, inviting residents and visitors alike to enjoy outdoor activities amidst the changing leaves. This month signifies the beginning of cooler days ahead, yet still retains some of the warmth experienced earlier in the year, striking a balance that is both invigorating and pleasant.
In October, Arlington experiences a moderate level of precipitation, with an average of 104 mm (4.1 in) falling over 9 days. This marks a slight increase compared to the 95 mm (3.8 in) recorded in September, but remains lower than the peak months of summer. As the temperatures begin to cool, October's rainfall contributes to the vibrant autumn foliage, creating a picturesque backdrop for the season. With the pattern of rainfall becoming less frequent compared to the wettest months of July and August, residents can expect crisp, refreshing days punctuated by occasional showers, perfectly setting the tone for the transition into winter.
In October, Arlington experiences a slight increase in humidity, reaching 81% after the drier summer months. This resurgence is a continuation of the seasonal trend, where humidity levels gradually rise from their lows in July and August—when they dip to 74% and 72%, respectively. The transition into fall brings a shift in the atmosphere, with autumn gradually settling in. Following this, November sees a notable spike, climbing to 85%, while the winter months revert to higher humidity levels, reminiscent of the dampness felt at the year's start. This cyclical pattern highlights Arlington's characteristic fluctuations, where humidity can be a lingering companion, especially as the seasons change.
As October rolls into Arlington, the UV Index reaches a moderate-high level of 7, indicating that sun protection is necessary during outdoor activities. This drop from the peak summer months, where the index soared to 10, reflects a gradual shift into cooler weather, yet with a burn time of 25 minutes, caution is still advised. The trend this year illustrates a consistent high UV presence from late spring through early fall, creating an environment where awareness and protection against harmful rays is essential. As the autumn sun becomes less intense, users can expect a slightly more forgiving exposure category, but it remains vital to stay informed. For more details on the UV Index throughout the year or to plan your sun safety, visit Arlington UV Index.
UV Risk Categories
As October unfolds in Arlington, the city basks in 246 hours of sunshine, a warm embrace before the chill of winter sets in. This month maintains a delightful balance, reflecting a steady decline from the sun-soaked heights of July and June, which recorded 356 and 330 hours respectively. Notably, October's sunlight is a gentle descent from the summer peak, yet richer than the 226 hours expected in November, offering a golden crescendo to fall. This gradual transition underscores a vibrant seasonal shift, inviting residents to savor the crisp air and vibrant foliage while still enjoying ample bright days before the winter solstice brings shorter hours of sunshine.
In Arlington, the likelihood of experiencing sunny weather has noticeable fluctuations throughout the year. While October offers a 39% chance of sunshine, it's lower compared to September's peak of 53%. The trend reveals that as autumn sets in, the probability of clear skies dwindles, continuing a gradual decline seen from the summer months, where the chances hovered around 49% in July. Interestingly, November sees a jump to 56%, suggesting a potential for clearer days as winter approaches. Overall, though October can be mixed, it doesn't quite capture the vibrant sunny days that characterize earlier months.
As October unfolds in Arlington, daylight begins to wane, offering about 11 hours of sunlight—a gradual decline that follows September’s longer days. This month marks the transition from the summer's extended daylight hours, peaking in June and July with 14 hours. Following this peak, each month sees a slow but steady reduction, with October bridging the gap between the vibrant light of summer and the shorter days of winter. It’s a time when the scenery starts to shift, and autumn’s hues come alive under the diminishing sun, reminding us to savor the lingering afternoons before the long nights set in.
As October rolls into Arlington, the average wind speed picks up slightly to 2.8 m/s (6 mph), offering a gentle breeze that signals the transition into cooler months. This shift is a welcome change from the summer's calmest days in July and August, which recorded wind speeds as low as 1.9 m/s (4 mph). Interestingly, October's winds echo those seen in the earlier months of the year, demonstrating a steadying trend as the fall approaches. Following the slight uptick in September’s wind patterns, October maintains a comfortable pace, with wind speeds holding to a consistent level and mirroring the speeds seen in the crisp November and December months ahead. The evolving wind landscape thus frames a narrative of seasonal transition, where cooler temperatures and the vibrant hues of autumn come alive.
The weather in Arlington changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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.
October and January present contrasting weather patterns. In October, temperatures range from a minimum of 1°C (34°F) to a warm maximum of 36°C (97°F), with an average of 17°C (62°F). The month experiences relatively high humidity at 81% and substantial precipitation of 104 mm (4.1 in) over 9 days. In contrast, January is much colder, with temperatures dipping to a minimum of -15°C (5°F) and averaging around 3°C (37°F), while peaking at 22°C (71°F). This month sees lower precipitation levels of 61 mm (2.4 in) over 8 days, along with slightly higher humidity at 84%. For more detailed information on the conditions, you can visit Arlington weather in January.
When comparing the weather in October and February, October typically presents a much warmer climate with average temperatures around 17°C (62°F) and maximums reaching up to 36°C (97°F), while February experiences much colder conditions, with an average temperature of just 5°C (41°F) and lows dipping to -16°C (4°F). Both months receive a similar amount of precipitation, with October slightly higher at 104 mm (4.1 in) compared to February's 98 mm (3.9 in), although February has more rainy days with precipitation occurring on 11 days compared to 9 in October. Humidity levels are relatively comparable, with October at 81% and February slightly higher at 83%. For more details, visit Arlington weather in February.
In comparing the weather of October and March, October typically presents a warmer climate with average temperatures around 17°C (62°F) and maximums reaching up to 36°C (97°F), while March is cooler, with average temperatures around 8°C (46°F) and maximums of 28°C (83°F). October experiences a higher average humidity of 81% and receives more precipitation (104 mm) across approximately 9 days, compared to March's 87 mm over 10 days. While both months see significant humidity, the greater warmth and rainfall in October contrast sharply with the chillier, albeit slightly wetter, conditions of March. For a more detailed look at March weather, visit Arlington weather in March.
When comparing the weather in October and April, both months exhibit a similar average humidity of 81% and comparable precipitation levels, with October receiving 104 mm and April 100 mm. October tends to have a wider temperature range, with minimums dropping to 1°C (34°F) and maximums soaring to 36°C (97°F), while April experiences colder nights with minimums at -2°C (28°F) and warmer days peaking at 32°C (91°F). Both months experience a reasonable number of rainy days, 9 in October versus 11 in April. For more details on April weather, you can visit Arlington weather in April.
In comparing the weather between October and May, October tends to showcase a wider temperature range, with average highs reaching up to 36°C (97°F) while the lows can drop to as low as 1°C (34°F). In contrast, May features a slightly narrower range, with average temperatures peaking at 34°C (94°F) and rarely dipping below 2°C (36°F). Precipitation is more frequent in May, averaging about 127 mm (5.0 in) over 13 days, compared to October's 104 mm (4.1 in) over 9 days. Despite the higher rainfall in May, it also experiences slightly lower humidity at 78% versus October's 81%. For a more detailed look at May's weather in Arlington, you can explore Arlington weather in May.
October and June present distinct weather patterns despite having similar maximum temperatures. In October, temperatures range from a chilly 1°C (34°F) to a warm 36°C (97°F), with an average of 17°C (62°F) and higher humidity at 81%. The month experiences about 104 mm (4.1 in) of precipitation over roughly 9 days, making it a wetter month compared to June.
June, on the other hand, showcases milder nighttime temperatures with a minimum of 9°C (48°F) and a comfortable average of 24°C (75°F). It also boasts similar maximum temperatures, peaking at 36°C (98°F), but with slightly lower humidity at 79%. Precipitation in June is higher, totaling 118 mm (4.7 in) over around 12 days. For a more detailed comparison, you can visit Arlington weather in June.
In comparing the weather of October and July, significant differences can be observed. October experiences a broader temperature range, with a minimum of 1°C (34°F) and an average of 17°C (62°F), peaking at 36°C (97°F). This month sees about 104 mm (4.1 in) of precipitation over approximately 9 days, coupled with a higher humidity level of 81%. In contrast, July offers a milder minimum temperature of 15°C (59°F), an average of 27°C (81°F), and a maximum of 38°C (101°F). It is typically rainier, receiving 157 mm (6.2 in) of precipitation across 12 days, but with lower humidity at 74%. For more detailed insights about the weather in July, you can check Arlington weather in July.
In comparison to August, October experiences significantly cooler temperatures, with an average of 17°C (62°F) compared to August’s warmer 25°C (77°F). While both months can reach high temperatures, October's maximum can peak at 36°C (97°F), just slightly below August's 37°C (99°F). Precipitation is more frequent in August, with rain occurring on 15 days and totaling 140 mm (5.5 in), compared to October's 9 rainy days and 104 mm (4.1 in). Additionally, October has higher humidity at 81%, while August's humidity is a more comfortable 72%. For a closer look at August weather, visit Arlington weather in August.
In October, the weather tends to be cooler than in September, with minimum temperatures dropping to 1°C (34°F) compared to September's minimum of 5°C (42°F). The average temperature in October is also lower at 17°C (62°F), while September boasts a warmer average of 22°C (72°F). Despite both months experiencing maximum temperatures that reach up to 36°C (97°F), October sees slightly more precipitation, totaling 104 mm (4.1 in) over 9 days, compared to September's 95 mm (3.8 in) over 11 days. Additionally, October has a higher humidity level at 81%, compared to September's 75%. For a more detailed look at September's weather, you can check out Arlington weather in September.
October and November exhibit notable differences in weather patterns. In October, temperatures range from a minimum of 1°C (34°F) to a maximum of 36°C (97°F), with an average of 17°C (62°F). The month sees significant precipitation, totaling 104 mm (4.1 in) over 9 days, and a humidity level of 81%. In contrast, November experiences cooler temperatures, with the minimum dipping to -6°C (21°F) and an average of 8°C (47°F), while the maximum reaches 25°C (78°F). Precipitation decreases to 81 mm (3.2 in) over just 7 days, and humidity increases slightly to 85%. For more detailed insights, check out Arlington weather in November.
October and December present distinct differences in weather patterns. In October, temperatures can range from a chilly 1°C (34°F) at night to a warm peak of 36°C (97°F) during the day, with an average temperature of 17°C (62°F). This month also experiences relatively high humidity at 81% and substantial precipitation of 104 mm over 9 days. In contrast, December sees much colder temperatures, with a low of -10°C (13°F) and an average of only 5°C (41°F), peaking at a milder 20°C (69°F). While it has slightly lower precipitation at 93 mm, the humidity increases to 84%. For more detailed insights, check out Arlington weather in December.
October in Arlington showcases a dramatic shift from the sweltering heat of summer to the crispness of fall. The pleasant average temperature invites outdoor activities, while the higher humidity levels create a unique atmosphere typical of transitioning seasons. With occasional rainfall spread over several days, the month presents a beautiful blend of vibrant autumn foliage, making it distinct from the warmer months that precede it. As the days grow shorter and cooler, October offers a refreshing respite, ringing in the charm of autumn. To learn more about the unique climate traits throughout the year, visit Arlington Climate.