July weather forecast and climate
Defiance, OH

July, like June, in Defiance, Ohio, is another warm summer month, with average temperature ranging between min 63.7°F (17.6°C) and max 81°F (27.2°C).

Temperature

The warmest month is July, with an average high-temperature of 81°F (27.2°C) and an average low-temperature of 63.7°F (17.6°C).

Heat index

The average heat index in July is estimated at a tropical 86.4°F (30.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, metabolic differences, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Defiance, the average relative humidity in July is 80%.

Rainfall

In Defiance, it is raining for 16.8 days, with typically 2.52" (64mm) of accumulated precipitation. In Defiance, Ohio, during the entire year, the rain falls for 160.2 days and collects up to 27.56" (700mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Defiance, the average length of the day is 14.8h.

Sunshine

July has the most sunshine of the year, with an average of 10.2h of sunshine.

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 risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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.

What is the warmest month in Defiance?

With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 63.7°F (17.6°C), July is the warmest month in Defiance.

What is the temperature in July in Defiance?

The average high-temperature, in July, is 81°F (27.2°C), while the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in July is estimated at 86.4°F (30.2°C).

What is the average humidity in July in Defiance?

In Defiance, the average relative humidity in July is 80%.

How much does it rain in Defiance in July?

In July, in Defiance, the rain falls for 16.8 days. Throughout July, 2.52" (64mm) of precipitation is 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 July in Defiance?

The average length of the day in July in Defiance is 14.8h.

What month has the most sunshine in Defiance?

With an average of 10.2h of sunshine, July has the most sunshine of the year in Defiance, Ohio.

How many hours of sunshine does Defiance have in July?

The average sunshine in July is 10.2h.

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

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

How high is the UV index in July in Defiance?

In Defiance, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in July - Defiance, OH
  • Average high temperature in July: 27.2°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 July: 17.6°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 July - Defiance, OH
  • Average pressure in July: 1014.8mbar

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 July - Defiance, OH
  • Average wind speed in July: 9.9km/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 July - Defiance, OH
  • Average humidity in July: 80%

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

Average rainfall in July - Defiance, OH
  • Average rainfall in July: 64mm

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

Average rainfall days in July - Defiance, OH
  • Average rainfall days in July: 16.8 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 July - Defiance, OH
  • Average snowfall in July: 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 July - Defiance, OH
  • Average snowfall days in July: 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 July / Average sunshine in July - Defiance, OH
  • Average daylight in July: 14.8h

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 July: 10.2h

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 July - Defiance, OH
  • Average sunshine days in July: 11.4 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 July - Defiance, OH
  • Average UV index in July: 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 July - Defiance, OH
  • Average cloud cover in July: 31

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 July - Defiance, OH
  • Average visibility in July: 9km

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).