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November Weather in Fairfax, United States

Last updated: June 24, 2025

In November, the average temperature in Fairfax, United States hovers around 9°C (49°F). While the minimum can dip to -10°C (14°F), the maximum can reach a pleasant 27°C (80°F). Rainfall is moderate, with an average precipitation of 34 mm (1.3 in) spread over 5 days. Additionally, expect high humidity levels at about 82%, creating a distinctive atmosphere typical of the season.

November Temperature in Fairfax

In November in Fairfax, the average temperature is 9°C (49°F). Maximums can reach 27°C (80°F) and minimums can drop as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

November Weather in Fairfax: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Fairfax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fairfax, November typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (80°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec373952586979828075614942
Data source: Temperature data for Fairfax 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.

November Precipitation in Fairfax

In Fairfax in November, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

November Precipitation Trends in Fairfax

The chart displays monthly precipitation patterns in Fairfax, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Fairfax, November typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec57449710416010281103881213435
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Fairfax

In Fairfax in November, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

November Average Humidity in Fairfax

This chart illustrates the average monthly humidity levels in Fairfax, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Fairfax is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Fairfax

In Fairfax in November, 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 Fairfax.

Maximum UV Index Levels in Fairfax for November

The chart shows the monthly maximum UV Index (UVI) for Fairfax in November, 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 November, the maximum UV index in Fairfax typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Fairfax November 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 November Weather in Fairfax Compares to Other Months

Weather in Fairfax varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in Fairfax, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Fairfax, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)57 mm (2.3 inches)77%moderate
February Weather4°C (39°F)43 mm (1.7 inches)76%high
March Weather11°C (52°F)97 mm (3.8 inches)71%high
April Weather15°C (59°F)104 mm (4.1 inches)73%very high
May Weather20°C (69°F)160 mm (6.3 inches)83%very high
June Weather26°C (79°F)101 mm (4.0 inches)83%extreme
July Weather28°C (82°F)80 mm (3.2 inches)81%extreme
August Weather27°C (80°F)103 mm (4.1 inches)73%very high
September Weather24°C (76°F)88 mm (3.4 inches)67%very high
October Weather16°C (61°F)121 mm (4.8 inches)72%high
November Weather9°C (49°F)34 mm (1.3 inches)82%moderate
December Weather6°C (43°F)35 mm (1.4 inches)85%moderate

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