March Weather in Fallbrook, United States

Last updated: June 24, 2025

In March, the average temperature in Fallbrook, United States is a comfortable 14°C (57°F), with minimums dipping as low as 3°C (37°F) and soaring to maximums of 29°C (84°F). Expect 67 mm (2.6 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 67%. Enjoy the varied climate while exploring this charming destination!

March Temperature in Fallbrook

In March in Fallbrook, the average temperature is 14°C (57°F), with maximums reaching 29°C (84°F) and minimums dipping as low as 3°C (37°F). Be prepared for a range of temperatures while traveling to Fallbrook this month, and pack accordingly for both warmer days and cooler evenings.

March Weather in Fallbrook: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Fallbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fallbrook, March typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (37°F).

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

March Precipitation in Fallbrook

In Fallbrook in March, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.

March Precipitation Trends in Fallbrook

The chart displays monthly precipitation patterns in Fallbrook, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Fallbrook, March typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Fallbrook

In Fallbrook in March, humidity is 67%. With an average temperature of 14°C (57°F), this humidity feels like a cool, refreshing mist that invigorates your senses, making it quite pleasant for traveling, though a light jacket is recommended as the moisture in the air can create a brisk atmosphere.

March Average Humidity in Fallbrook

This chart illustrates the average monthly humidity levels in Fallbrook, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Fallbrook is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Fallbrook

In Fallbrook in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Fallbrook.

Maximum UV Index Levels in Fallbrook for March

The chart shows the monthly maximum UV Index (UVI) for Fallbrook in March, 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 March, the maximum UV index in Fallbrook typically reaches 9, which falls under the very high exposure category.

Data source: Fallbrook March 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 March Weather in Fallbrook Compares to Other Months

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

This table compares monthly weather conditions in Fallbrook, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	66 mm (2.6 inches)	72%	moderate
February Weather	13°C (55°F)	64 mm (2.5 inches)	77%	high
March Weather	14°C (57°F)	67 mm (2.6 inches)	67%	very high
April Weather	17°C (62°F)	31 mm (1.2 inches)	56%	very high
May Weather	18°C (64°F)	19 mm (0.8 inches)	46%	extreme
June Weather	21°C (70°F)	3 mm (0.1 inches)	48%	extreme
July Weather	25°C (77°F)	4 mm (0.2 inches)	46%	extreme
August Weather	25°C (77°F)	3 mm (0.1 inches)	42%	extreme
September Weather	24°C (75°F)	4 mm (0.2 inches)	52%	very high
October Weather	20°C (69°F)	11 mm (0.4 inches)	58%	high
November Weather	17°C (62°F)	28 mm (1.1 inches)	66%	moderate
December Weather	13°C (55°F)	66 mm (2.6 inches)	74%	moderate