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
In Winchester, the peak average temperatures are observed in August, with a high of 82°F (27.8°C) and a low of 54.7°F (12.6°C).Heat index
For most parts of August, the heat index is computed to be 82.4°F (28°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The least humid month in Winchester is August, with an average relative humidity of 44%.Rainfall
In Winchester, in August, it is raining for 6.9 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 133.5 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
July and August are months without snowfall.Daylight
In Winchester, the average length of the day in August is 14h and 6min.On the first day of August, sunrise is at 5:29 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:26 pm PDT.
Sunshine
With an average of 11.9h of sunshine, August has the most sunshine of the year.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during August translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
What is the average August temperature?
What is the least humid month?
What is the average humidity in August?
How many days does it rain in August in Winchester?
When it does not snow?
Does it snow in August?
What is the average length of the day in August?
When is the sunrise / sunset in August in Winchester?
What month has the most sunshine?
How many hours of sunshine does Winchester have in August?
How high is the UV index in August?
Average temperature in August
Winchester, ID
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in August: 54.7°F
The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in August
Winchester, ID
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in August
Winchester, ID
- Average wind speed in August: 3.6mph
The windiest months (with the highest average wind speed) are January, February, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in August
Winchester, ID
- Average humidity in August: 44%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (44%).
Average rainfall in August
Winchester, ID
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in August
Winchester, ID
- Average rainfall days in August: 6.9 days
The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in August
Winchester, ID
- Average snowfall in August: 0"
The month with the highest snowfall is February (23.11").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Winchester, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Winchester, ID
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Winchester, ID
- Average sunshine days in August: 21 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in August
Winchester, ID
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in August
Winchester, ID
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in August
Winchester, ID
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Winchester, Idaho, USA
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