Last updated: August 27, 2025
In Arlington, United States, the average temperature in October hovers around 10°C (51°F), with a notable range where the minimum can dip to -6°C (21°F) and the maximum may rise to 30°C (86°F). During this month, residents can expect approximately 118 mm (4.6 in) of precipitation spread over 13 days, contributing to an average humidity of 83%. Whether you’re exploring the vibrant sights or enjoying cozy indoor activities, be prepared for a month of varied weather!
In October in Arlington, the average temperature is 10°C (51°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as -6°C (21°F). This variation makes it essential for travelers to pack accordingly, ensuring they are prepared for both warm days and chilly nights.
In Arlington in October, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.
In Arlington in October, humidity is 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.
In Arlington in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Arlington.
UV Risk Categories
Weather in Arlington varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Arlington, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 49 mm (1.9 inches) | 85% | moderate |
| February Weather | -6°C (22°F) | 54 mm (2.1 inches) | 85% | moderate |
| March Weather | 2°C (36°F) | 57 mm (2.3 inches) | 85% | moderate |
| April Weather | 7°C (46°F) | 94 mm (3.7 inches) | 85% | very high |
| May Weather | 15°C (59°F) | 131 mm (5.2 inches) | 78% | very high |
| June Weather | 21°C (70°F) | 116 mm (4.6 inches) | 80% | very high |
| July Weather | 23°C (74°F) | 92 mm (3.6 inches) | 78% | very high |
| August Weather | 22°C (71°F) | 108 mm (4.3 inches) | 76% | very high |
| September Weather | 18°C (65°F) | 113 mm (4.4 inches) | 79% | very high |
| October Weather | 10°C (51°F) | 118 mm (4.6 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 43 mm (1.7 inches) | 88% | moderate |
| December Weather | -2°C (29°F) | 44 mm (1.7 inches) | 81% | low |