nomadseason

March Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in March hovers around 5°C (41°F). However, be prepared for extremes, as temperatures can dip to a chilly -16°C (3°F) or rise to a comfortable 24°C (75°F). Expect 52 mm (2.1 in) of precipitation spread over 9 days, and keep in mind the average humidity sits at a high 84%, creating a notably damp atmosphere.

March Temperature in Dayton

In March in Dayton, the average temperature is 5°C (41°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of weather conditions if you plan to travel during this time.

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 5°C (41°F), with highs reaching up to 24°C (75°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec343541505869777667524334
Data source: Temperature data for Dayton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 52 mm (2.1 in) over the course of 9 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 52 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec73705226266896293049
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Dayton

In Dayton in March humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%84%78%64%56%44%34%41%60%81%82%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
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 (34°F)73 mm (2.9 inches)85%moderate
February Weather2°C (36°F)70 mm (2.8 inches)87%high
March Weather5°C (41°F)52 mm (2.1 inches)84%very high
April Weather10°C (50°F)25 mm (1.0 inches)78%very high
May Weather14°C (58°F)26 mm (1.0 inches)64%extreme
June Weather21°C (69°F)6 mm (0.2 inches)56%extreme
July Weather25°C (78°F)8 mm (0.3 inches)44%extreme
August Weather24°C (76°F)9 mm (0.3 inches)34%extreme
September Weather19°C (67°F)6 mm (0.2 inches)41%very high
October Weather11°C (53°F)29 mm (1.1 inches)60%high
November Weather6°C (43°F)30 mm (1.2 inches)81%moderate
December Weather1°C (34°F)49 mm (1.9 inches)82%moderate

Compare Dayton's Climate with Cities Worldwide