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 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
In Williston, the month of August registers the highest temperatures, averaging 90.1°F (32.3°C) at the peak and 75.4°F (24.1°C) at the lowest.Heat index
The average heat index in August is calculated to be a burning hot 113°F (45°C). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
July through September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Williston, during August, the rain falls for 18.1 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Williston, during the entire year, the rain falls for 127 days and collects up to 10.04" (255mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In August, the average length of the day is 13h and 10min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:21 pm. On the last day of August, sunrise is at 7:07 am and sunset at 7:52 pm EDT.
Sunshine
In August, the average sunshine in Williston is 9.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
How hot does it get in August?
What is the most humid month?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Williston have in August?
What time are sunrise and sunset in August in Williston?
How many hours of sunshine does Williston have in August?
What is the month with the highest UV index in Williston?
How high is the UV index in August?
Average temperature in August
Williston, FL
- Average high temperature in August: 90.1°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in August: 75.4°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in August
Williston, FL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in August
Williston, FL
- Average wind speed in August: 5.1mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in August
Williston, FL
- Average humidity in August: 78%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in August
Williston, FL
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is March (0.28").
Average rainfall days in August
Williston, FL
- Average rainfall days in August: 18.1 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (5.1 days).
Average snowfall days in August
Williston, FL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Williston, FL
- Average daylight in August: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in August: 9h and 4min
The months with the most sunshine are May and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in August
Williston, FL
- Average sunshine days in August: 8 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in August
Williston, FL
- Average UV index in August: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in August
Williston, FL
- Average cloud cover in August: 32
The months with the most cloud cover are February and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in August
Williston, FL
- 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).
Williston, Florida, USA
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