February Weather in Dayton, United States

Last updated: June 24, 2025

In February, the average temperature in Dayton, United States is a brisk -6°C (21°F). Expect occasional extremes, with minimums plummeting to -30°C (-22°F) and maximums reaching up to 21°C (70°F). With an average humidity of 84%, there's a notable chill in the air, complemented by a precipitation total of 42 mm (1.7 in) over 7 days.

February Temperature in Dayton

In February in Dayton, the average temperature is -6°C (21°F). The maximum can reach up to 21°C (70°F), while the minimum can drop to a chilling -30°C (-22°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and very cold nights.

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

The chart illustrates February 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, February typically has an average temperature of -6°C (21°F), with highs reaching up to 21°C (70°F) and lows dropping to around -30°C (-22°F).

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

February Precipitation in Dayton

In Dayton in February, the total precipitation amount is 42 mm (1.7 in) over the course of 7 days.

February Precipitation Trends in Dayton

The chart displays monthly precipitation patterns in Dayton, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Dayton, February typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

February Humidity in Dayton

In Dayton in February humidity is 84%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold dampness seeps into your bones and slows your movements, turning each step into a shivering struggle.

February Average Humidity in Dayton

This chart illustrates the average monthly humidity levels in Dayton, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Dayton is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Dayton

In Dayton in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Dayton.

Maximum UV Index Levels in Dayton for February

The chart shows the monthly maximum UV Index (UVI) for Dayton in February, 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 February, the maximum UV index in Dayton typically reaches 5, which falls under the moderate exposure category.

Data source: Dayton February 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 February 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 February’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 February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	32 mm (1.3 inches)	82%	moderate
February Weather	-6°C (21°F)	42 mm (1.7 inches)	84%	moderate
March Weather	3°C (38°F)	72 mm (2.8 inches)	80%	moderate
April Weather	9°C (48°F)	72 mm (2.8 inches)	81%	very high
May Weather	16°C (62°F)	166 mm (6.5 inches)	74%	very high
June Weather	23°C (74°F)	109 mm (4.3 inches)	80%	extreme
July Weather	24°C (76°F)	89 mm (3.5 inches)	80%	very high
August Weather	23°C (73°F)	95 mm (3.8 inches)	77%	very high
September Weather	20°C (68°F)	127 mm (5.0 inches)	75%	very high
October Weather	11°C (51°F)	123 mm (4.8 inches)	80%	high
November Weather	3°C (37°F)	41 mm (1.6 inches)	87%	moderate
December Weather	-2°C (29°F)	37 mm (1.5 inches)	83%	moderate