Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
An average high-temperature of a still warm 80.8°F (27.1°C) marks August, exhibiting a close resemblance to the conditions in July. Throughout August, an average low-temperature of 60.1°F (15.6°C) is experienced.Heat index
August's average heat index is appraised at a hot 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In Walnut Creek, the average relative humidity in August is 78%.Rainfall
In Walnut Creek, in August, during 14.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Walnut Creek, during the entire year, the rain falls for 134.9 days and collects up to 18.07" (459mm) of precipitation.Snowfall
In Walnut Creek, snow does not fall in June through October.Daylight
In Walnut Creek, the average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:53 am and sunset at 8:00 pm EDT.
Sunshine
With an average of 10.1h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Walnut Creek in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How long on average sun shines in August?
How high is the UV index in August?
Average temperature in August
Walnut Creek, OH
- Average high temperature in August: 80.8°F
The warmest month (with the highest average high temperature) is July (82.2°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 (19.4°F).
Average pressure in August
Walnut Creek, 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).
Average wind speed in August
Walnut Creek, OH
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in August
Walnut Creek, OH
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Walnut Creek, OH
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is July (2.13").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Walnut Creek, OH
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in August
Walnut Creek, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Walnut Creek, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Walnut Creek, 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).
Average sunshine days in August
Walnut Creek, OH
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in August
Walnut Creek, OH
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Walnut Creek, 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).
Average visibility in August
Walnut Creek, OH
- Average visibility in August: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Walnut Creek, Ohio, USA
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