March Weather in Dayton, United States

Last updated: June 24, 2025

In March, the average temperature in Dayton, United States hovers around 6°C (44°F). While you may experience a chilly minimum of -10°C (13°F), be prepared for the occasional warmth with maximums reaching 28°C (83°F). A total precipitation of 107 mm (4.2 in) spread over 10 days ensures a refreshing ambiance, complemented by an average humidity of 81%.

March Temperature in Dayton

In March in Dayton, the average temperature is 6°C (44°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -10°C (13°F). Travelers should be prepared for a wide range of temperatures, so it's advisable to pack both warm and light clothing.

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 6°C (44°F), with highs reaching up to 28°C (83°F) and lows dropping to around -10°C (13°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 107 mm (4.2 in) accumulated over a period of 10 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 107 mm (4.2 inches) of precipitation spread over approximately 10 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 81%. With an average temperature of 6°C (44°F), this humidity feels like a heavy blanket, making every step outside feel damp and chilling, which can dampen the excitement of 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 81%, 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	2°C (35°F)	63 mm (2.5 inches)	84%	moderate
February Weather	3°C (39°F)	109 mm (4.3 inches)	82%	moderate
March Weather	6°C (44°F)	107 mm (4.2 inches)	81%	high
April Weather	12°C (54°F)	107 mm (4.2 inches)	78%	very high
May Weather	17°C (63°F)	127 mm (5.0 inches)	69%	very high
June Weather	23°C (73°F)	97 mm (3.8 inches)	69%	very high
July Weather	26°C (79°F)	138 mm (5.4 inches)	62%	very high
August Weather	25°C (76°F)	131 mm (5.2 inches)	65%	very high
September Weather	21°C (71°F)	88 mm (3.5 inches)	68%	very high
October Weather	16°C (61°F)	132 mm (5.2 inches)	74%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	82%	moderate
December Weather	4°C (39°F)	102 mm (4.0 inches)	80%	low