March Weather in Poway, United States

Last updated: June 24, 2025

In March, the average temperature in Poway, United States hovers around 14°C (57°F). Expect a wide temperature range, with lows dipping to 2°C (36°F) and highs reaching up to 29°C (84°F). With an average precipitation of 76 mm (3.0 in) over 11 days, you might want to keep an umbrella handy. The air is fairly humid, with an average humidity level of 67%.

March Temperature in Poway

In March, in Poway, the average temperature is 14°C (57°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates March temperature patterns in Poway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poway, 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 2°C (36°F).

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

March Precipitation in Poway

In Poway in March, the total precipitation amount is 76 mm (3.0 in), recorded over a period of 11 days.

March Precipitation Trends in Poway

The chart displays monthly precipitation patterns in Poway, 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 Poway, March typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 11 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 Poway

In Poway 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 Poway

This chart illustrates the average monthly humidity levels in Poway, 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 Poway 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 Poway

In Poway 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 Poway.

Maximum UV Index Levels in Poway for March

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

Data source: Poway 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 Poway Compares to Other Months

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

This table compares monthly weather conditions in Poway, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (55°F)	73 mm (2.9 inches)	72%	moderate
February Weather	12°C (55°F)	88 mm (3.5 inches)	77%	high
March Weather	14°C (57°F)	76 mm (3.0 inches)	67%	very high
April Weather	16°C (61°F)	35 mm (1.4 inches)	56%	very high
May Weather	17°C (63°F)	30 mm (1.2 inches)	46%	extreme
June Weather	20°C (68°F)	4 mm (0.2 inches)	48%	extreme
July Weather	23°C (74°F)	4 mm (0.1 inches)	46%	extreme
August Weather	24°C (75°F)	2 mm (0.1 inches)	42%	very high
September Weather	22°C (73°F)	5 mm (0.2 inches)	52%	very high
October Weather	20°C (68°F)	15 mm (0.6 inches)	58%	high
November Weather	16°C (62°F)	39 mm (1.5 inches)	66%	moderate
December Weather	13°C (55°F)	74 mm (2.9 inches)	74%	moderate