November Weather in Fullerton, United States

Last updated: June 24, 2025

In November, the average temperature in Fullerton, United States hovers around 4°C (40°F). Temperatures can vary significantly, with a minimum of -15°C (5°F) and soaring as high as 28°C (83°F). Expect about 22 mm (0.9 in) of precipitation over 4 days, contributing to an average humidity level of 80%.

November Temperature in Fullerton

In November in Fullerton, the average temperature is 4°C (40°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures, from chilly to warm, making layered clothing essential for this time of year.

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

The chart illustrates November temperature patterns in Fullerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fullerton, November typically has an average temperature of 4°C (40°F), with highs reaching up to 28°C (83°F) and lows dropping to around -15°C (5°F).

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

November Precipitation in Fullerton

In Fullerton in November, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

November Precipitation Trends in Fullerton

The chart displays monthly precipitation patterns in Fullerton, 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 Fullerton, November typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

November Humidity in Fullerton

In Fullerton in November, humidity is 80%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring careful planning for warmth and moisture management.

November Average Humidity in Fullerton

This chart illustrates the average monthly humidity levels in Fullerton, 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 Fullerton is approximately 80%, 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 Fullerton

In Fullerton in November, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Fullerton for better planning.

Maximum UV Index Levels in Fullerton for November

The chart shows the monthly maximum UV Index (UVI) for Fullerton 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 Fullerton typically reaches 4, which falls under the moderate exposure category.

Data source: Fullerton 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 Fullerton Compares to Other Months

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

This table compares monthly weather conditions in Fullerton, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	28 mm (1.1 inches)	73%	moderate
February Weather	-4°C (25°F)	20 mm (0.8 inches)	81%	moderate
March Weather	4°C (40°F)	89 mm (3.5 inches)	69%	high
April Weather	9°C (49°F)	57 mm (2.2 inches)	71%	very high
May Weather	16°C (61°F)	142 mm (5.6 inches)	80%	very high
June Weather	24°C (75°F)	97 mm (3.8 inches)	83%	extreme
July Weather	25°C (78°F)	65 mm (2.5 inches)	84%	very high
August Weather	23°C (74°F)	84 mm (3.3 inches)	84%	very high
September Weather	20°C (69°F)	57 mm (2.2 inches)	77%	very high
October Weather	11°C (52°F)	83 mm (3.3 inches)	72%	high
November Weather	4°C (40°F)	22 mm (0.9 inches)	80%	moderate
December Weather	-1°C (31°F)	42 mm (1.6 inches)	79%	moderate