March Weather in Dayton, United States

Last updated: June 24, 2025

In March, the average temperature in Dayton, United States hovers around 0°C (33°F). Expect a chill in the air, with temperatures dipping as low as -27°C (-16°F) and reaching a warm 22°C (73°F). Be prepared for some precipitation, averaging 56 mm (2.2 in) over 12 days of rainfall, and note that the average humidity sits at 71%.

March Temperature in Dayton

In March in Dayton, the average temperature is 0°C (33°F), with maximums reaching up to 22°C (73°F) and minimums dropping as low as -27°C (-16°F). This wide range of temperatures makes Dayton an ideal destination for travelers looking to experience both chilly winter landscapes and mild sunny days.

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

The chart illustrates March temperature patterns in Dayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayton, March typically has an average temperature of 0°C (33°F), with highs reaching up to 22°C (73°F) and lows dropping to around -27°C (-16°F).

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

March Precipitation in Dayton

In Dayton in March, the precipitation amount is 56 mm (2.2 in) spread over 12 days.

March Precipitation Trends in Dayton

The chart displays monthly precipitation patterns in Dayton, 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 Dayton, March typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 12 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 Dayton

In Dayton in March humidity is 71%. With an average temperature of 0°C (33°F), this humidity feels like a heavy mist that clings to your skin, making outdoor activities feel damp and chilly, requiring extra layers and careful planning for comfort while traveling.

March Average Humidity in Dayton

This chart illustrates the average monthly humidity levels in Dayton, 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 Dayton is approximately 71%, 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 Dayton

In Dayton in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dayton, you can refer to this Hourly UV Index in Dayton.

Maximum UV Index Levels in Dayton for March

The chart shows the monthly maximum UV Index (UVI) for Dayton 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 Dayton typically reaches 6, which falls under the high exposure category.

Data source: Dayton 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 Dayton Compares to Other Months

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

This table compares monthly weather conditions in Dayton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	26 mm (1.0 inches)	78%	moderate
February Weather	-7°C (20°F)	45 mm (1.8 inches)	79%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	71%	high
April Weather	4°C (39°F)	97 mm (3.8 inches)	70%	very high
May Weather	10°C (50°F)	109 mm (4.3 inches)	75%	very high
June Weather	16°C (61°F)	84 mm (3.3 inches)	82%	extreme
July Weather	20°C (69°F)	63 mm (2.5 inches)	84%	very high
August Weather	19°C (66°F)	48 mm (1.9 inches)	85%	very high
September Weather	14°C (58°F)	63 mm (2.5 inches)	79%	very high
October Weather	5°C (41°F)	67 mm (2.6 inches)	75%	moderate
November Weather	0°C (33°F)	37 mm (1.5 inches)	75%	moderate
December Weather	-3°C (27°F)	35 mm (1.4 inches)	81%	low