August weather forecast
Roselawn, OH

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Weather in August

The last month of the summer, August, is another warm month in Roselawn, Ohio, with an average temperature varying between 64.8°F (18.2°C) and 83.1°F (28.4°C).

Temperature

The high-temperature average in August for Roselawn is a still moderately hot 83.1°F (28.4°C), staying closely aligned with July's conditions. In the month of August, an average of 64.8°F (18.2°C) marks the low-temperature.

Heat index

August's average heat index is estimated at a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

Rainfall

In Roselawn, Ohio, in August, during 10.8 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Roselawn, during the entire year, the rain falls for 121.7 days and collects up to 12.4" (315mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of August, sunrise is at 6:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

Sunshine

In August, the average sunshine is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

How hot does it get in August?

In August, in Roselawn, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 64.8°F (18.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the least humid month?

The months with the lowest humidity are August through October, with an average relative humidity of 74%.

What is the average humidity in August?

In August, the average relative humidity is 74%.

How much does it rain in August?

In August, the rain falls for 10.8 days. Throughout August, 0.91" (23mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Roselawn have in August?

In Roselawn, the average day length in August is 13h and 40min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:38 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 8:09 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.2h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
Roselawn, OH

Average temperature in August - Roselawn, OH
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in August
Roselawn, OH

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

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Roselawn, OH

Average wind speed in August - Roselawn, OH
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in August
Roselawn, OH

Average humidity in August - Roselawn, OH
  • Average humidity in August: 74%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).

Average rainfall in August
Roselawn, OH

Average rainfall in August - Roselawn, OH
  • Average rainfall in August: 0.91"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in August
Roselawn, OH

Average rainfall days in August - Roselawn, OH
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).

Average snowfall in August
Roselawn, OH

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

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Roselawn, OH

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

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Roselawn, 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 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Roselawn, OH

Average sunshine days in August - Roselawn, OH
  • Average sunshine days in August: 18.4 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).

Average UV index in August
Roselawn, OH

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

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

Average cloud cover in August
Roselawn, OH

Average cloud cover in August - Roselawn, OH
  • Average cloud cover in August: 26

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in August
Roselawn, OH

Average visibility in August - Roselawn, 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).

Roselawn, Ohio, USA

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