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

July 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
July, like June, in Dayton, Ohio, is a moderately hot summer month, with average temperature varying between 83.8°F (28.8°C) and 64.6°F (18.1°C).

Temperature

The warmest month is July, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64.6°F (18.1°C).

Humidity

In Dayton, the average relative humidity is 68.8%.

Rainfall

In July, in Dayton, Ohio, the rain falls for 10.8 days. Throughout July, 4.1" (104.4mm) of precipitation is accumulated. Throughout the year, there are 135.8 rainfall days, and 41" (1042.5mm) of precipitation is accumulated.

Snowfall

Throughout the year, in Dayton, 23.3" (591.9mm) of snow is accumulated.

Daylight

In Dayton, the average length of the day is 14.7h.

Sunshine

The average sunshine in Dayton is 9.6h.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for average individuals.
In July, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the warmest month in Dayton?

With an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month in Dayton, Ohio.

What is the temperature in July in Dayton?

In Dayton, Ohio, in July, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 64.6°F (18.1°C).

What is the average humidity in July in Dayton?

In Dayton, Ohio, the average relative humidity in July is 68.8%.

How many days does it rain in July in Dayton?

In Dayton, during July, the rain falls for 10.8 days and regularly aggregates up to 4.1" (104.4mm) of precipitation.

How many hours of daylight does Dayton have in July?

In July, the average length of the day in Dayton is 14.7h.

How many hours of sunshine does Dayton have in July?

In July, the average sunshine in Dayton is 9.6h.

What are the months with the highest UV index in Dayton?

June and July, with an average maximum UV index of 9, are months with the highest UV index.

What is the UV index intensity in July in Dayton?

The average daily maximum UV index in July in Dayton is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in July - Dayton, OH
  • Average high temperature in July: 83.8°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 July: 64.5°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 July - Dayton, OH
  • Average humidity in July: 68.8%

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 July - Dayton, OH
  • Average rainfall in July: 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 July - Dayton, OH
  • Average rainfall days in July: 10.8 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 July - Dayton, OH
  • Average snowfall in July: 0"

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 July - Dayton, OH
  • Average snowfall days in July: 0 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 July / Average sunshine in July - Dayton, OH
  • Average daylight in July: 14.7h

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 July: 9.6h

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 July - Dayton, OH
  • Average UV index in July: 9

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).