Dayton
Ohio, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Dayton, OH

The Maimi and Mad rivers converge to flow through Dayton city, Ohio, viewed from above
The Maimi and Mad rivers converge to flow through Dayton city, Ohio, viewed from above
March, the first month of the spring, in Dayton, is a chilly month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 31.3°F (-0.4°C).

Temperature

In Dayton, the average high-temperature in March rises, from a cold 38.8°F (3.8°C) in February, to a frosty 49.6°F (9.8°C). The average low-temperature, in March, is 31.3°F (-0.4°C).

Humidity

The average relative humidity in Dayton is 69.5%.

Rainfall

In Dayton, Ohio, during 12.2 rainfall days, 3.3" (84.8mm) of precipitation is typically accumulated. In Dayton, Ohio, during the entire year, the rain falls for 135.8 days and collects up to 41" (1042.5mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Dayton.

Daylight

The average length of the day in March is 12h.

Sunshine

In Dayton, the average sunshine in March is 5.8h.

UV index

In March, the average daily maximum UV index in Dayton is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
In March, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in March in Dayton?

In Dayton, Ohio, in March, the average high-temperature is 49.6°F (9.8°C), and the average low-temperature is 31.3°F (-0.4°C).

What is the average humidity in March in Dayton?

The average relative humidity in March in Dayton, Ohio, is 69.5%.

How many days does it rain in March in Dayton?

In Dayton, Ohio, in March, during 12.2 rainfall days, 3.3" (84.8mm) of precipitation is typically accumulated.

How much does it snow in Dayton in March?

In Dayton, Ohio, in March, snow falls for 2.8 days, with typically accumulated 3.4" (86.4mm) of snow.

How many hours of daylight does Dayton have in March?

In Dayton, Ohio, the average length of the day in March is 12h.

How long on average sun shines in March in Dayton?

In Dayton, Ohio, the average sunshine in March is 5.8h.

What is the UV index reading in March in Dayton?

The average daily maximum UV index in March in Dayton is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in March - Dayton, OH
  • Average high temperature in March: 49.6°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in March: 31.2°F

The month with the highest average low temperature is July (64.5°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average humidity in March - Dayton, OH
  • Average humidity in March: 69.5%

The month with the highest relative humidity is December (75.8%).
The month with the lowest relative humidity is April (64.2%).

Average rainfall in March - Dayton, OH
  • Average rainfall in March: 3.3"

The wettest month (with the highest rainfall) is May (4.7").
The driest month (with the lowest rainfall) is February (2.2").

Average rainfall days in March - Dayton, OH
  • Average rainfall days in March: 12.2 days

The month with the highest number of rainy days is May (13.7 days).
The month with the lowest number of rainy days is August (8.4 days).

Average snowfall in March - Dayton, OH
  • Average snowfall in March: 3.4"

The month with the highest snowfall is January (7.9").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in March - Dayton, OH
  • Average snowfall days in March: 2.8 days

The month with the highest number of snowfall days is January (6.3 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in March / Average sunshine in March - Dayton, OH
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in March: 5.8h

The month with most sunshine is June (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in March - Dayton, OH
  • Average UV index in March: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).