March Weather in Fountain Hills, United States

Last updated: June 24, 2025

In March, the average temperature in Fountain Hills, United States is a pleasant 17°C (63°F), with a range that can dip to a cool 3°C (38°F) and peak at a warm 34°C (94°F). Expect around 31 mm (1.2 in) of precipitation over 3 days, and enjoy a comfortable average humidity of 67%.

March Temperature in Fountain Hills

In March in Fountain Hills, the average temperature is 17°C (63°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 3°C (38°F). Be prepared for a range of temperatures, and pack accordingly for your travels!

March Weather in Fountain Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Fountain Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fountain Hills, March typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (38°F).

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

March Precipitation in Fountain Hills

In Fountain Hills in March, the precipitation amount is 31 mm (1.2 in) over the course of 3 days.

March Precipitation Trends in Fountain Hills

The chart displays monthly precipitation patterns in Fountain Hills, 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 Fountain Hills, March typically receives around 31 mm (1.2 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 Fountain Hills

In Fountain Hills in March, humidity is 67%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you, making travel refreshing yet slightly muggy, as you navigate the sights with a pleasant, if slightly sticky, embrace.

March Average Humidity in Fountain Hills

This chart illustrates the average monthly humidity levels in Fountain Hills, 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 Fountain Hills 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 Fountain Hills

In Fountain Hills 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 Fountain Hills.

Maximum UV Index Levels in Fountain Hills for March

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

Data source: Fountain Hills 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 Fountain Hills Compares to Other Months

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

This table compares monthly weather conditions in Fountain Hills, 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 (53°F)	33 mm (1.3 inches)	76%	moderate
February Weather	13°C (56°F)	44 mm (1.7 inches)	79%	high
March Weather	17°C (63°F)	31 mm (1.2 inches)	67%	very high
April Weather	23°C (74°F)	2 mm (0.1 inches)	55%	very high
May Weather	27°C (81°F)	2 mm (0.1 inches)	40%	extreme
June Weather	33°C (92°F)	2 mm (0.1 inches)	33%	extreme
July Weather	34°C (94°F)	38 mm (1.5 inches)	34%	extreme
August Weather	34°C (93°F)	33 mm (1.3 inches)	48%	extreme
September Weather	31°C (88°F)	28 mm (1.1 inches)	64%	very high
October Weather	24°C (75°F)	25 mm (1.0 inches)	67%	very high
November Weather	18°C (65°F)	23 mm (0.9 inches)	77%	moderate
December Weather	12°C (54°F)	27 mm (1.0 inches)	82%	moderate