August weather forecastWinchester, IN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Winchester, Indiana, with an average temperature varying between 61.9°F (16.6°C) and 79°F (26.1°C).Temperature
The introduction of August sees an average high-temperature of a still warm 79°F (26.1°C), hardly deviating from July. Winchester in August anticipates an average nighttime temperature of 61.9°F (16.6°C).Humidity
In August, the average relative humidity is 82%.Rainfall
In Winchester, in August, it is raining for 17.4 days, with typically 2.76" (70mm) of accumulated precipitation. In Winchester, during the entire year, the rain falls for 169.7 days and collects up to 31.65" (804mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Winchester, Indiana, the average length of the day in August is 13h and 43min.On the first day of August, sunrise is at 6:38 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:12 pm EDT.
Sunshine
The average sunshine in August is 9.6h.UV index
In Winchester, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Winchester, IN
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Winchester, IN
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Winchester, IN
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Winchester, IN
- Average humidity in August: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Winchester, IN
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in August
Winchester, IN
- Average rainfall days in August: 17.4 days
The month with the highest number of rainy days is May (19.9 days).
The months with the least rainy days are January and February (9 days).
Average snowfall in August
Winchester, IN
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Winchester, IN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13 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
Winchester, IN
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Winchester, IN
- Average sunshine days in August: 11.1 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is May (8.7 days).
Average UV index in August
Winchester, IN
- 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
Winchester, IN
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in August
Winchester, IN
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





