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

April 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
April is an enjoyable spring month in Dayton, Ohio, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 61.9°F (16.6°C).

Temperature

In April, the average high-temperature rises, from a frosty 49.6°F (9.8°C) in March, to an enjoyable 61.9°F (16.6°C). In April, in Dayton, the average low-temperature is 41.4°F (5.2°C).

Humidity

April is the least humid month, with an average relative humidity of 64.2%.

Rainfall

In April, in Dayton, the rain falls for 13.2 days. Throughout April, 4.1" (103.9mm) of precipitation is accumulated. In Dayton, during the entire year, the rain falls for 135.8 days and collects up to 41" (1042.5mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

In April, the average sunshine is 7.1h.

UV index

In April, the average daily maximum UV index in Dayton is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for average individuals.
The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Dayton?

In Dayton, in April, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 41.4°F (5.2°C).

What is the least humid month in Dayton?

With an average relative humidity of 64.2%, April is the least humid month in Dayton, Ohio.

What is the average humidity in April in Dayton?

In Dayton, Ohio, the average relative humidity in April is 64.2%.

How much does it rain in Dayton in April?

In Dayton, Ohio, in April, it is raining for 13.2 days, with typically 4.1" (103.9mm) of accumulated precipitation.

What is the last month it snows in Dayton?

April is the last month it regularly snows in Dayton, Ohio. During 1 snowfall days, in April, Dayton aggregates 0.6" (15.2mm) of snow.

How many hours of daylight does Dayton have in April?

The average length of the day in April in Dayton is 13.3h.

How long on average sun shines in April in Dayton?

In Dayton, the average sunshine in April is 7.1h.

What is the UV index reading in April in Dayton?

In Dayton, Ohio, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in April - Dayton, OH
  • Average high temperature in April: 61.9°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 April: 41.4°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 April - Dayton, OH
  • Average humidity in April: 64.2%

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 April - Dayton, OH
  • Average rainfall in April: 4.1"

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 April - Dayton, OH
  • Average rainfall days in April: 13.2 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 April - Dayton, OH
  • Average snowfall in April: 0.6"

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 April - Dayton, OH
  • Average snowfall days in April: 1 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 April / Average sunshine in April - Dayton, OH
  • Average daylight in April: 13.3h

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 April: 7.1h

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 April - Dayton, OH
  • Average UV index in April: 6

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).