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
The arrival of August sees an average high-temperature of a still warm 84.4°F (29.1°C), hardly diverging from July's 85.3°F (29.6°C). Portland, during the nights of August, experiences an average temperature drop to a comfortable 64°F (17.8°C).Heat index
The average heat index in August is appraised at a tropical 93.2°F (34°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
With an average relative humidity of 74%, August is the least humid month.Rainfall
In Portland, in August, during 14.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Portland, during the entire year, the rain falls for 156.2 days and collects up to 26.1" (663mm) of precipitation.Snowfall
In Portland, Kentucky, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 38min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:48 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:09 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
June 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 risk from unprotected exposure to Sun's UV rays for average individuals.Note: In August, a regular UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August?
What is the least humid month?
What is the average humidity in August?
How much does it rain in Portland 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 many hours of sunshine does Portland have in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Portland, KY
- Average high temperature in August: 84.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in August: 64°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in August
Portland, KY
- Average pressure in August: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in August
Portland, KY
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in August
Portland, KY
- Average humidity in August: 74%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in August
Portland, KY
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in August
Portland, KY
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in August
Portland, KY
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Portland, KY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.4 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
Portland, KY
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Portland, KY
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Portland, KY
- 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).
Average cloud cover in August
Portland, KY
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Portland, KY
- Average visibility in August: 6mi
The months with the highest visibility are January, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and July (5mi).
Portland, Kentucky, USA
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