August weather forecast
Dennison, OH

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Weather in August

The last month of the summer, August, is also a moderately hot month in Dennison, Ohio, with an average temperature ranging between max 81.1°F (27.3°C) and min 60.1°F (15.6°C).

Temperature

The introduction of August sees an average high-temperature of a still warm 81.1°F (27.3°C), hardly deviating from July. In Dennison, the average nighttime temperature during August is a refreshing 60.1°F (15.6°C).

Heat index

The average heat index in August is computed to be a hot 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Dennison, during August, the rain falls for 12.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Dennison, during the entire year, the rain falls for 123.8 days and collects up to 14.76" (375mm) of precipitation.

Snowfall

June through October are months without snowfall in Dennison.

Daylight

In Dennison, the average length of the day in August is 13h and 44min.
On the first day of August in Dennison, sunrise is at 6:23 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 7:58 pm EDT.

Sunshine

The month with the most sunshine in Dennison, Ohio, is August, with an average of 10.1h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in August translates into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the usual temperature for Dennison in August?

In Dennison, 81.1°F (27.3°C) is the average high-temperature and 60.1°F (15.6°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in August in Dennison?

The average relative humidity in August in Dennison, Ohio, is 78%.

How much does it rain in Dennison in August?

In Dennison, during August, the rain falls for 12.7 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Dennison?

June through October are months without snowfall in Dennison, Ohio.

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

The average day length in August in Dennison, Ohio, is 13h and 44min.

When are sunrise and sunset in August in Dennison?

In August, on the first day of the month, sunrise is at 6:23 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 7:58 pm EDT.

What month has the most sunshine in Dennison?

August has the most sunshine of the year in Dennison, with an average of 10.1h of sunshine.

How long on average sun shines in August in Dennison?

The average sunshine duration in August is 10.1h.

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

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

What is the UV index reading in August in Dennison?

The average daily maximum UV index in August in Dennison, Ohio, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Dennison, OH

Average temperature in August - Dennison, OH
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in August
Dennison, OH

Average pressure in August - Dennison, OH
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Dennison, OH

Average wind speed in August - Dennison, OH
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in August
Dennison, OH

Average humidity in August - Dennison, OH
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in August
Dennison, OH

Average rainfall in August - Dennison, OH
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is June (1.73").
The driest months (with the least rainfall) are January and September (0.87").

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Average rainfall days in August
Dennison, OH

Average rainfall days in August - Dennison, OH
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in August
Dennison, OH

Average snowfall in August - Dennison, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in August
Dennison, OH

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

The months with the highest number of snowfall days are January and February (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Dennison, OH

Average daylight in August / Average sunshine in August - Dennison, OH
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in August
Dennison, OH

Average sunshine days in August - Dennison, OH
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (13.2 days).

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Average UV index in August
Dennison, OH

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

The 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).

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Average cloud cover in August
Dennison, OH

Average cloud cover in August - Dennison, OH
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Dennison, OH

Average visibility in August - Dennison, OH
  • Average visibility in August: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Dennison, Ohio, USA

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