March Weather in Carlsbad, United States

Last updated: June 24, 2025

In March, the average temperature in Carlsbad, United States hovers around 16°C (61°F). Be prepared for a range of weather, as temperatures can dip to a chilly -7°C (19°F) or rise to a warm 32°C (91°F). Expect about 48 mm (1.9 in) of precipitation over 6 days, with an average humidity of 68%. Stay ready for a mix of cool and warm days!

March Temperature in Carlsbad

In March in Carlsbad, the average temperature is 16°C (61°F). The maximum can reach 32°C (91°F) and the minimum can be as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates March temperature patterns in Carlsbad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carlsbad, March typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (91°F) and lows dropping to around -7°C (19°F).

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

March Precipitation in Carlsbad

In Carlsbad in March, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

March Precipitation Trends in Carlsbad

The chart displays monthly precipitation patterns in Carlsbad, 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 Carlsbad, March typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Carlsbad

In Carlsbad in March, humidity is 68%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that sometimes becomes stifling, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or cool breezes more frequently.

March Average Humidity in Carlsbad

This chart illustrates the average monthly humidity levels in Carlsbad, 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 Carlsbad is approximately 68%, 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 Carlsbad

In Carlsbad 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 Carlsbad.

Maximum UV Index Levels in Carlsbad for March

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

Data source: Carlsbad 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 Carlsbad Compares to Other Months

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

This table compares monthly weather conditions in Carlsbad, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	23 mm (0.9 inches)	74%	moderate
February Weather	10°C (50°F)	22 mm (0.9 inches)	74%	high
March Weather	16°C (61°F)	48 mm (1.9 inches)	68%	very high
April Weather	19°C (67°F)	51 mm (2.0 inches)	70%	extreme
May Weather	24°C (75°F)	101 mm (4.0 inches)	77%	extreme
June Weather	27°C (82°F)	47 mm (1.8 inches)	76%	extreme
July Weather	29°C (85°F)	21 mm (0.8 inches)	66%	extreme
August Weather	29°C (84°F)	34 mm (1.3 inches)	60%	extreme
September Weather	25°C (78°F)	73 mm (2.9 inches)	67%	extreme
October Weather	19°C (67°F)	51 mm (2.0 inches)	72%	very high
November Weather	13°C (56°F)	28 mm (1.1 inches)	83%	high
December Weather	10°C (51°F)	25 mm (1.0 inches)	85%	moderate