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October Weather in Arlington, United States

Last updated: June 24, 2025

In Arlington, United States, the average temperature in October hovers around 17°C (62°F), creating a comfortable atmosphere. However, temperatures can vary significantly, with a minimum of 0°C (32°F) and a maximum reaching up to 35°C (95°F). This month sees approximately 136 mm (5.3 in) of precipitation spread across 9 days, contributing to an average humidity level of 78%.

October Temperature in Arlington

In October in Arlington, the average temperature is 17°C (62°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). Travelers should pack accordingly to enjoy the diverse climate during their visit.

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

The chart illustrates October 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. In Arlington, October typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550586773787671624843
Data source: Temperature data for Arlington generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Arlington

In Arlington, in October, the precipitation amount is 136 mm (5.3 in) over the course of 9 days.

October Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Arlington, October typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8411687133133908111513413685109
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arlington

In Arlington in October, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.

October Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Arlington is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arlington

In Arlington in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Arlington.

Maximum UV Index Levels in Arlington for October

The chart shows the monthly maximum UV Index (UVI) for Arlington in October, 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. In October, the maximum UV index in Arlington typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111110109853
Data source: Arlington October 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.

How October Weather in Arlington Compares to Other Months

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.

This table compares monthly weather conditions in Arlington, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)84 mm (3.3 inches)87%moderate
February Weather7°C (45°F)116 mm (4.6 inches)87%high
March Weather10°C (50°F)87 mm (3.4 inches)86%very high
April Weather15°C (59°F)133 mm (5.2 inches)84%very high
May Weather19°C (67°F)133 mm (5.2 inches)83%extreme
June Weather23°C (74°F)90 mm (3.6 inches)83%extreme
July Weather26°C (78°F)81 mm (3.2 inches)79%very high
August Weather24°C (76°F)115 mm (4.5 inches)66%very high
September Weather22°C (72°F)134 mm (5.3 inches)68%very high
October Weather17°C (62°F)136 mm (5.3 inches)78%very high
November Weather9°C (48°F)85 mm (3.3 inches)89%moderate
December Weather6°C (44°F)109 mm (4.3 inches)86%moderate

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