August weather forecast and climate
Defiance, OH

August, the last month of the summer, in Defiance, is another warm month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 79°F (26.1°C).

Temperature

In Defiance, the average high-temperature is practically the same as in July - a still warm 79°F (26.1°C). In Defiance, the average low-temperature is 61.3°F (16.3°C).

Humidity

In August, the average relative humidity in Defiance is 81%.

Rainfall

In Defiance, Ohio, during 15.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Defiance, there are 160.2 rainfall days, and 27.56" (700mm) of precipitation is accumulated.

Snowfall

In Defiance snow does not fall in June through October.

Daylight

The average length of the day in Defiance is 13.8h.

Sunshine

The average sunshine in August is 9.7h.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.

What is the temperature in August in Defiance?

In August, in Defiance, Ohio, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 61.3°F (16.3°C).

What is the average humidity in August in Defiance?

In August, the average relative humidity is 81%.

How many days does it rain in August in Defiance?

In Defiance, Ohio, in August, during 15.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow in Defiance?

June through October are months without snowfall in Defiance.

What is the average length of the day in August in Defiance?

In August, the average length of the day in Defiance, Ohio, is 13.8h.

How many hours of sunshine does Defiance have in August?

The average sunshine in August is 9.7h.

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

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Defiance?

In Defiance, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in August - Defiance, OH
  • Average high temperature in August: 26.1°C

The warmest month (with the highest average high temperature) is July (27.2°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in August: 16.3°C

The month with the highest average low temperature is July (17.6°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

Average pressure in August - Defiance, OH
  • Average pressure in August: 1015.3mbar

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in August - Defiance, OH
  • Average wind speed in August: 9.8km/h

The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in August - Defiance, OH
  • Average humidity in August: 81%

Months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August - Defiance, OH
  • Average rainfall in August: 61mm

The wettest month (with the highest rainfall) is April (85mm).
The driest month (with the least rainfall) is December (39mm).

Average rainfall days in August - Defiance, OH
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in August - Defiance, OH
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (97mm).
Months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in August - Defiance, OH
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Defiance, OH
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9.7h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.4h).

Average sunshine days in August - Defiance, OH
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in August - Defiance, OH
  • Average UV index in August: 6

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August - Defiance, OH
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August - Defiance, OH
  • Average visibility in August: 8km

Months with the highest visibility are February, March, April, May, June, July, October, November and December (9km).
Months with the lowest visibility are January, August and September (8km).