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
Transitioning into August, Grigsby records an average high-temperature of a still moderately hot 84.2°F (29°C), almost identical to July's 85.3°F (29.6°C). Grigsby logs a considerable temperature decrease from the daytime highs during the nights in August, with an average reading of 61°F (16.1°C).Heat index
The average heat index in August is estimated at a hot 93.2°F (34°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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
The average relative humidity in August in Grigsby is 76%.Rainfall
In August, the rain falls for 15.7 days. Throughout August, 1.89" (48mm) of precipitation is accumulated. In Grigsby, Kentucky, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.Snowfall
In Grigsby, Kentucky, snow does not fall in May through September.Daylight
In Grigsby, the average length of the day in August is 13h and 33min.On the first day of August, sunrise is at 6:37 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:02 pm EDT.
Sunshine
June through August, with an average of 10.1h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Grigsby, Kentucky, are May, June and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 6 during August translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Grigsby in August?
What is the average humidity in August in Grigsby?
How many days does it rain in August in Grigsby?
When it does not snow in Grigsby?
How many hours of daylight does Grigsby have in August?
When is the sunrise / sunset in August in Grigsby?
What are the months with the most sunshine in Grigsby?
How long on average sun shines in August in Grigsby?
What is the month with the highest UV index in Grigsby?
What is the UV index reading in August in Grigsby?
Average temperature in August
Grigsby, KY
- Average high temperature in August: 84.2°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 (40.6°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in August
Grigsby, KY
- Average pressure in August: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Grigsby, KY
- Average wind speed in August: 4mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in August
Grigsby, KY
- Average humidity in August: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in August
Grigsby, KY
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in August
Grigsby, KY
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in August
Grigsby, KY
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Grigsby, KY
- 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 May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grigsby, KY
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 10h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Grigsby, KY
- Average sunshine days in August: 11.9 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in August
Grigsby, KY
- Average UV index in August: 6
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Grigsby, KY
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Grigsby, KY
- 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).
Grigsby, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location