August weather forecast
Germantown, OH

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Weather in August

The last month of the summer, August, is another warm month in Germantown, Ohio, with an average temperature fluctuating between 62.8°F (17.1°C) and 81°F (27.2°C).

Temperature

Germantown's shift into August is marked by a subtle change to a still warm 81°F (27.2°C) from July's 81.3°F (27.4°C) in temperature. Germantown throughout August, records an average low-temperature of 62.8°F (17.1°C).

Heat index

During August, the heat index is estimated at a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Germantown, the average relative humidity in August is 79%.

Rainfall

In Germantown, during August, the rain falls for 13.9 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Germantown, Ohio, during the entire year, the rain falls for 148.2 days and collects up to 22.95" (583mm) of precipitation.

Snowfall

In Germantown, snow does not fall in May through October.

Daylight

In Germantown, the average length of the day in August is 13h and 41min.
On the first day of August, sunrise is at 6:37 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 8:09 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Germantown. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In August, a regular UV index of 6 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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.
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Frequently asked questions

What are the temperatures in Germantown in August?

During August, Germantown experiences an average high-temperature of 81°F (27.2°C) and a low-temperature of 62.8°F (17.1°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in August in Germantown?

In Germantown, the average relative humidity in August is 79%.

How many days does it rain in August in Germantown?

In Germantown, during August, the rain falls for 13.9 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Germantown?

In Germantown, Ohio, snow does not fall in May through October.

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

In Germantown, the average day length in August is 13h and 41min.

When is the sunrise / sunset in August in Germantown?

In August, on the first day of the month, sunrise is at 6:37 am and sunset at 8:50 pm. On the last day of the month, in Germantown, sunrise is at 7:05 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Germantown have in August?

The average sunshine duration in August is 10.1h.

What is the month with the highest UV index in Germantown?

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

How high is the UV index in August in Germantown?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Germantown, OH

Average temperature in August - Germantown, OH
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in August
Germantown, OH

Average pressure in August - Germantown, OH
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Germantown, OH

Average wind speed in August - Germantown, OH
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in August
Germantown, OH

Average humidity in August - Germantown, OH
  • Average humidity in August: 79%

The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in August
Germantown, OH

Average rainfall in August - Germantown, OH
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.42").

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Average rainfall days in August
Germantown, OH

Average rainfall days in August - Germantown, OH
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in August
Germantown, OH

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Germantown, OH

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in August
Germantown, OH

Average sunshine days in August - Germantown, OH
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in August
Germantown, OH

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Germantown, OH

Average cloud cover in August - Germantown, OH
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in August
Germantown, OH

Average visibility in August - Germantown, OH
  • Average visibility in August: 6mi

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

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Germantown, Ohio, USA

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