August weather forecastWinona, OH
August
Weather in August
August, the last month of the summer in Winona, is also a moderately hot month, with an average temperature ranging between min 59.7°F (15.4°C) and max 80.8°F (27.1°C).Temperature
Winona experiences an average high-temperature of a still moderately hot 80.8°F (27.1°C) with the onset of August, subtly varied from July's 82.2°F (27.9°C). An average low-temperature of 59.7°F (15.4°C) marks the nights throughout August.Heat index
During August, the heat index is evaluated at a tropical 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Realize that the values for the heat index are set for shaded places and light winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The months with the lowest humidity in Winona are April, July and August, with an average relative humidity of 77%.Rainfall
In Winona, in August, during 15.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Winona, during the entire year, the rain falls for 173.3 days and collects up to 30.71" (780mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Winona, the average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:39 pm. On the last day of August, sunrise is at 6:50 am and sunset at 7:57 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.1h of sunshine.UV index
The average daily maximum UV index in August in Winona is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Winona, 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 (31.6°F).
- Average low temperature in August: 59.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in August
Winona, OH
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Winona, OH
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in August
Winona, OH
- Average humidity in August: 77%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in August
Winona, OH
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in August
Winona, OH
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in August
Winona, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Winona, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.9 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, OH
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
Winona, OH
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in August
Winona, 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
Winona, OH
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Winona, OH
- Average visibility in August: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





