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
Winona experiences an average high-temperature of a still warm 81.5°F (27.5°C) with the onset of August, subtly varied from July's 82.2°F (27.9°C). Contrary to the day's heat, an average low-temperature of 58.5°F (14.7°C) is recorded during the nights in August.Heat index
The heat index value for August is calculated to be a tropical 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. 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
In Winona, the average relative humidity in August is 78%.Rainfall
In Winona, in August, it is raining for 15.3 days, with typically 2.28" (58mm) of accumulated precipitation. In Winona, during the entire year, the rain falls for 176.2 days and collects up to 30.55" (776mm) of precipitation.Snowfall
In Winona, snow does not fall in June through September.Daylight
In Winona, the average length of the day in August is 13h and 35min.On the first day of August, sunrise is at 6:27 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 7:54 pm EDT.
Sunshine
With an average of 10.1h of sunshine, August has the most sunshine of the year in Winona.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
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 Winona have in August?
When is the sunrise / sunset in August?
What month has the most sunshine?
How many hours of sunshine does Winona have in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Winona, WV
- Average high temperature in August: 81.5°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 (37°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in August
Winona, WV
- Average pressure in August: 30.02"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in August
Winona, WV
- Average wind speed in August: 4.2mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in August
Winona, WV
- Average humidity in August: 78%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (77%).
Average rainfall in August
Winona, WV
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in August
Winona, WV
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11 days).
Average snowfall in August
Winona, WV
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Winona, WV
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Winona, WV
- 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 36min).
- 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 48min).
Average sunshine days in August
Winona, WV
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in August
Winona, WV
- 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
Winona, WV
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Winona, WV
- 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).
Winona, West Virginia, USA
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