March Weather in La Mesa, United States

Last updated: June 24, 2025

The average temperature in La Mesa, United States during March is a pleasant 15°C (59°F), but be prepared for a range of weather, with minimums dropping to -2°C (29°F) and maximums soaring to 31°C (89°F). Expect around 17 mm (0.7 in) of precipitation spread over just 2 days, and enjoy an average humidity level of 65%, creating a comfortable atmosphere throughout the month.

March Temperature in La Mesa

In March in La Mesa, the average temperature is 15°C (59°F). Maximums can reach 31°C (89°F), while minimums can drop as low as -2°C (29°F). It's essential to prepare for a wide range of temperatures when planning your travel during this month.

March Weather in La Mesa: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in La Mesa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Mesa, March typically has an average temperature of 15°C (59°F), with highs reaching up to 31°C (89°F) and lows dropping to around -2°C (29°F).

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

March Precipitation in La Mesa

In La Mesa in March, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

March Precipitation Trends in La Mesa

The chart displays monthly precipitation patterns in La Mesa, 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 La Mesa, March typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 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 La Mesa

In La Mesa in March humidity is 65%. With an average temperature of 15°C (59°F), this humidity feels like a pleasantly mild atmosphere, making it ideal for exploring the city, though occasional warmth might prompt you to seek shade during midday.

March Average Humidity in La Mesa

This chart illustrates the average monthly humidity levels in La Mesa, 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 La Mesa is approximately 65%, 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 La Mesa

In La Mesa in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in La Mesa.

Maximum UV Index Levels in La Mesa for March

The chart shows the monthly maximum UV Index (UVI) for La Mesa 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 La Mesa typically reaches 10, which falls under the very high exposure category.

Data source: La Mesa 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 La Mesa Compares to Other Months

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

This table compares monthly weather conditions in La Mesa, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	12 mm (0.5 inches)	81%	moderate
February Weather	10°C (51°F)	13 mm (0.5 inches)	77%	high
March Weather	15°C (59°F)	17 mm (0.7 inches)	65%	very high
April Weather	20°C (68°F)	4 mm (0.1 inches)	53%	extreme
May Weather	24°C (76°F)	4 mm (0.1 inches)	51%	extreme
June Weather	29°C (84°F)	26 mm (1.0 inches)	51%	extreme
July Weather	29°C (84°F)	34 mm (1.4 inches)	60%	extreme
August Weather	28°C (83°F)	34 mm (1.4 inches)	63%	extreme
September Weather	25°C (77°F)	30 mm (1.2 inches)	74%	extreme
October Weather	19°C (67°F)	22 mm (0.9 inches)	75%	very high
November Weather	13°C (56°F)	14 mm (0.6 inches)	82%	high
December Weather	8°C (47°F)	15 mm (0.6 inches)	87%	moderate