August weather forecast
Bethesda, OH

Share

Weather in August

The last month of the summer, August, is another warm month in Bethesda, Ohio, with an average temperature ranging between min 60.4°F (15.8°C) and max 82.2°F (27.9°C).

Temperature

Bethesda transitions into August recording an average high-temperature of a still moderately hot 82.2°F (27.9°C), closely aligning with the preceding month's temperature. In August, a remarkable difference from daytime highs is noted, as Bethesda records an average temperature of 60.4°F (15.8°C) during the night.

Heat index

August's heat index is evaluated at a tropical 87.8°F (31°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

The months with the lowest humidity in Bethesda are April, July and August, with an average relative humidity of 77%.

Rainfall

In Bethesda, in August, during 11.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Bethesda, there are 121 rainfall days, and 10.24" (260mm) of precipitation is accumulated.

Snowfall

In Bethesda, Ohio, snow does not fall in June through September.

Daylight

The average length of the day in August in Bethesda, Ohio, is 13h and 42min.
On the first day of August in Bethesda, Ohio, sunrise is at 6:23 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 7:56 pm EDT.

Sunshine

With an average of 10h of sunshine, August has the most sunshine of the year in Bethesda.

UV index

In August, the average daily maximum UV index in Bethesda is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Undertake protective steps - Preventing sun damage is advised. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Bethesda in August?

The high-temperature in Bethesda, Ohio, during August is 82.2°F (27.9°C) and the low-temperature is 60.4°F (15.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What are the least humid months in Bethesda?

April, July and August, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in August in Bethesda?

In Bethesda, the average relative humidity in August is 77%.

How many days does it rain in August in Bethesda?

In August, in Bethesda, Ohio, the rain falls for 11.2 days. Throughout August, 0.87" (22mm) of precipitation is accumulated.

When it does not snow in Bethesda?

June through September are months without snowfall in Bethesda.

How many hours of daylight does Bethesda have in August?

In Bethesda, Ohio, the average day length in August is 13h and 42min.

When are sunrise and sunset in August in Bethesda?

On the first day of August in Bethesda, Ohio, sunrise is at 6:23 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 7:56 pm EDT.

What month has the most sunshine in Bethesda?

The month with the most sunshine in Bethesda is August, with an average of 10h of sunshine.

How long on average sun shines in August in Bethesda?

In Bethesda, the average sunshine duration in August is 10h.

How high is the UV index in August in Bethesda?

In Bethesda, Ohio, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Bethesda, OH

Average temperature in August - Bethesda, OH
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in August
Bethesda, OH

Average pressure in August - Bethesda, OH
  • Average pressure in August: 30"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Bethesda, OH

Average wind speed in August - Bethesda, OH
  • Average wind speed in August: 4.7mph

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in August
Bethesda, OH

Average humidity in August - Bethesda, OH
  • Average humidity in August: 77%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in August
Bethesda, OH

Average rainfall in August - Bethesda, OH
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in August
Bethesda, OH

Average rainfall days in August - Bethesda, OH
  • Average rainfall days in August: 11.2 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in August
Bethesda, OH

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

The month with the highest snowfall is February (1.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bethesda, OH

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

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Bethesda, 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 24min).

  • Average sunshine in August: 10h and 0min

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

Average sunshine days in August
Bethesda, OH

Average sunshine days in August - Bethesda, OH
  • Average sunshine days in August: 17 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in August
Bethesda, OH

Average UV index in August - Bethesda, OH
  • Average UV index in August: 5

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

Average cloud cover in August
Bethesda, OH

Average cloud cover in August - Bethesda, OH
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in August
Bethesda, OH

Average visibility in August - Bethesda, 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).

Bethesda, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location