August weather forecast and climate
Winchester, ID

Weather in August

The last month of the summer, August, is another warm month in W"ter, Idaho, with average temperature varying between 82°F (27.8°C) and 54.7°F (12.6°C).

Temperature

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.7°F (12.6°C), August is the warmest month.

Heat index

In August, the average heat index is calculated to 82°F (27.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, differences in body mass, height, and shape, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

August is the least humid month in W"ter, with an average relative humidity of 44%.

Rainfall

In W"ter, it is raining for 6.9 days, with typically 0.71" (18mm) of accumulated precipitation. In W"ter, during the entire year, the rain falls for 133.5 days and collects up to 28.9" (734mm) of precipitation.

Snowfall

In W"ter snow does not fall in July and August.

Daylight

The average length of the day in W"ter is 14.1h.

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 in W"ter is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in W"ter?

August is the warmest month in W"ter, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.7°F (12.6°C).

What is the temperature in August in W"ter?

In August, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 54.7°F (12.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that calculates temperature value influenced by the moisture in the air, is appraised at 82°F (27.8°C).

What is the least humid month in W"ter?

August is the least humid month in W"ter, with an average relative humidity of 44%.

What is the average humidity in August in W"ter?

In August, the average relative humidity is 44%.

How much does it rain in W"ter in August?

In W"ter, in August, it is raining for 6.9 days, with typically 0.71" (18mm) of accumulated precipitation.

Does it snow in W"ter in August?

In W"ter, in August, it doesn't snow. In September, it regularly snows.

When it does not snow in W"ter?

In W"ter, Idaho, snow does not fall in July and August.

What is the average length of the day in August in W"ter?

In August, the average length of the day in W"ter, Idaho, is 14.1h.

What month has the most sunshine in W"ter?

With an average of 11.9h of sunshine, August has the most sunshine of the year in W"ter.

How long on average sun shines in August in W"ter?

In August, the average sunshine is 11.9h.

How high is the UV index in August in W"ter?

In W"ter, Idaho, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in August
Winchester, ID

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).

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Average pressure in August
Winchester, ID

Average pressure in August - Winchester, ID
  • Average pressure in August: 29.93"

The month with the highest atmospheric pressure is January (30.21").
Months with the lowest atmospheric pressure are June and August (29.93").

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Average wind speed in August
Winchester, ID

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).

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Average humidity in August
Winchester, ID

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%).

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Average rainfall in August
Winchester, ID

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").

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Average rainfall days in August
Winchester, ID

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).

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Average snowfall in August
Winchester, ID

Average snowfall in August - Winchester, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is February (23.11").
Months with the least snowfall are July and August (0").

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Average snowfall days in August
Winchester, ID

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).
Months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Winchester, ID

Average daylight in August / Average sunshine in August - Winchester, ID
  • Average daylight in August: 14.1h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in August: 11.9h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 4.2h).

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Average sunshine days in August
Winchester, ID

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).

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Average UV index in August
Winchester, ID

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).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in August
Winchester, ID

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).

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Average visibility in August
Winchester, ID

Average visibility in August - Winchester, ID
  • Average visibility in August: 6mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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