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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), with a minimum dipping to -12°C (11°F) and a maximum rising to 25°C (78°F). Prepare for occasional rain, as the area sees an average precipitation of 69 mm (2.7 in) spread over 11 days. Don't forget, the average humidity is quite high at 86%, making it a notably humid month.

March Temperature in Dayton

In March in Dayton, the average temperature is 6°C (44°F). The maximum can reach 25°C (78°F), and the minimum can be as low as -12°C (11°F). Be prepared for a range of temperatures when traveling to Dayton during this month, as you'll experience both warm days and chilly nights.

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 25°C (78°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843536370757267574338
Data source: Temperature data for Dayton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Dayton

In Dayton in March, the total precipitation amount is 69 mm (2.7 in) spread across 11 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 69 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec64906910712899761151121127085
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Dayton

In Dayton in March, humidity is 86%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities quite uncomfortable for 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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)64 mm (2.5 inches)86%moderate
February Weather4°C (39°F)90 mm (3.6 inches)86%high
March Weather6°C (44°F)69 mm (2.7 inches)86%high
April Weather12°C (53°F)107 mm (4.2 inches)84%very high
May Weather17°C (63°F)128 mm (5.0 inches)78%extreme
June Weather21°C (70°F)99 mm (3.9 inches)79%extreme
July Weather24°C (75°F)76 mm (3.0 inches)70%extreme
August Weather22°C (72°F)115 mm (4.5 inches)59%very high
September Weather19°C (67°F)112 mm (4.4 inches)68%very high
October Weather14°C (58°F)112 mm (4.4 inches)80%high
November Weather6°C (43°F)70 mm (2.7 inches)86%moderate
December Weather3°C (38°F)85 mm (3.3 inches)85%moderate

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