March Weather in Saint David, United States

Last updated: June 24, 2025

In March, the average temperature in Saint David, United States hovers around 13°C (57°F). Expect a range from a chilly -2°C (30°F) at its lowest to a warm 30°C (86°F) at its peak. With 17 mm (0.7 in) of precipitation spread over 3 days, the average humidity sits comfortably at 60%, making for a moderate atmosphere throughout the month.

March Temperature in Saint David

In March in Saint David, the average temperature is 13°C (57°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -2°C (30°F). Travel prepared for a range of temperatures to fully enjoy your experience.

March Weather in Saint David: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Saint David, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint David, March typically has an average temperature of 13°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (30°F).

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

March Precipitation in Saint David

In Saint David in March, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

March Precipitation Trends in Saint David

The chart displays monthly precipitation patterns in Saint David, 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 Saint David, March typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 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 Saint David

In Saint David in March, humidity is 60%. With an average temperature of 13°C (57°F), this humidity feels like a cool, crisp embrace that can be invigorating for outdoor activities, yet might require light layers and thoughtful planning to ensure comfort while exploring.

March Average Humidity in Saint David

This chart illustrates the average monthly humidity levels in Saint David, 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 Saint David is approximately 60%, 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 Saint David

In Saint David 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 Saint David.

Maximum UV Index Levels in Saint David for March

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

Data source: Saint David 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 Saint David Compares to Other Months

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

This table compares monthly weather conditions in Saint David, 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)	24 mm (0.9 inches)	74%	moderate
February Weather	10°C (49°F)	32 mm (1.2 inches)	71%	high
March Weather	13°C (57°F)	17 mm (0.7 inches)	60%	very high
April Weather	18°C (65°F)	3 mm (0.1 inches)	43%	extreme
May Weather	22°C (73°F)	3 mm (0.1 inches)	32%	extreme
June Weather	28°C (83°F)	8 mm (0.3 inches)	28%	extreme
July Weather	28°C (82°F)	65 mm (2.6 inches)	38%	extreme
August Weather	27°C (81°F)	52 mm (2.0 inches)	60%	extreme
September Weather	25°C (76°F)	31 mm (1.2 inches)	72%	extreme
October Weather	19°C (67°F)	13 mm (0.5 inches)	66%	very high
November Weather	14°C (57°F)	23 mm (0.9 inches)	74%	high
December Weather	9°C (48°F)	27 mm (1.1 inches)	81%	moderate