November Weather in Fairfax, United States

Last updated: June 24, 2025

In November, the average temperature in Fairfax, United States hovers around 1°C (34°F). Be prepared for dramatic fluctuations, as temperatures can dip as low as -16°C (3°F) or climb to a surprising 26°C (80°F). With an average precipitation of 30 mm (1.2 in) over 7 days, and a high humidity level of 88%, ensure you're ready for a mix of chilly and damp weather!

November Temperature in Fairfax

In November in Fairfax, the average temperature is 1°C (34°F). The maximum can reach 26°C (80°F) and the minimum can be as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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 1°C (34°F), with highs reaching up to 26°C (80°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Fairfax generated using information from the Copernicus Climate Change Service.

November Precipitation in Fairfax

In Fairfax in November, the total precipitation amount is 30 mm (1.2 in) over a span of 7 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 30 mm (1.2 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

November Humidity in Fairfax

In Fairfax in November humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

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 88%, offering insight into how humid the weather typically is during this month.

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 is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Fairfax, you can check the information here.

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 3, which falls under the moderate exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	26 mm (1.0 inches)	87%	moderate
February Weather	-9°C (16°F)	27 mm (1.1 inches)	90%	moderate
March Weather	0°C (33°F)	62 mm (2.5 inches)	85%	moderate
April Weather	6°C (43°F)	80 mm (3.1 inches)	84%	very high
May Weather	15°C (60°F)	124 mm (4.9 inches)	78%	very high
June Weather	22°C (72°F)	106 mm (4.2 inches)	80%	very high
July Weather	23°C (74°F)	123 mm (4.8 inches)	81%	very high
August Weather	21°C (71°F)	124 mm (4.9 inches)	81%	very high
September Weather	18°C (65°F)	118 mm (4.6 inches)	81%	very high
October Weather	9°C (48°F)	97 mm (3.8 inches)	84%	moderate
November Weather	1°C (34°F)	30 mm (1.2 inches)	88%	moderate
December Weather	-4°C (24°F)	40 mm (1.6 inches)	84%	low