March Weather in Rancho San Diego, United States

Last updated: June 24, 2025

In Rancho San Diego, United States, the average temperature in March hovers around 14°C (57°F), offering a pleasant atmosphere for visitors. Expect a minimum temperature of 4°C (40°F) and a maximum that can reach up to 29°C (84°F). Rain is a possibility, with an average precipitation of 51 mm (2.0 in) spread over 10 days. Humidity levels average around 67%, contributing to the region's unique climate.

March Temperature in Rancho San Diego

In March in Rancho San Diego, the average temperature is 14°C (57°F). Maximum temperatures can reach 29°C (84°F), while minimums can dip as low as 4°C (40°F). It’s advisable to pack layers to stay comfortable during your travels.

March Weather in Rancho San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Rancho San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho San Diego, 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 4°C (40°F).

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

March Precipitation in Rancho San Diego

In Rancho San Diego in March, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

March Precipitation Trends in Rancho San Diego

The chart displays monthly precipitation patterns in Rancho San Diego, 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 Rancho San Diego, March typically receives around 51 mm (2.0 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 Rancho San Diego

In Rancho San Diego 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 Rancho San Diego

This chart illustrates the average monthly humidity levels in Rancho San Diego, 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 Rancho San Diego 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 Rancho San Diego

In Rancho San Diego in March, 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 Rancho San Diego.

Maximum UV Index Levels in Rancho San Diego for March

The chart shows the monthly maximum UV Index (UVI) for Rancho San Diego 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 Rancho San Diego typically reaches 8, which falls under the very high exposure category.

Data source: Rancho San Diego 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 Rancho San Diego Compares to Other Months

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

This table compares monthly weather conditions in Rancho San Diego, 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 (56°F)	56 mm (2.2 inches)	72%	moderate
February Weather	13°C (56°F)	68 mm (2.7 inches)	77%	high
March Weather	14°C (57°F)	51 mm (2.0 inches)	67%	very high
April Weather	16°C (61°F)	24 mm (0.9 inches)	56%	very high
May Weather	17°C (63°F)	21 mm (0.8 inches)	46%	extreme
June Weather	19°C (67°F)	2 mm (0.1 inches)	48%	extreme
July Weather	22°C (72°F)	3 mm (0.1 inches)	46%	extreme
August Weather	23°C (74°F)	1 mm (0.1 inches)	42%	very high
September Weather	22°C (72°F)	4 mm (0.1 inches)	52%	very high
October Weather	20°C (68°F)	14 mm (0.6 inches)	58%	high
November Weather	17°C (62°F)	29 mm (1.1 inches)	66%	moderate
December Weather	14°C (57°F)	65 mm (2.5 inches)	74%	moderate