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
The arrival of August sees a recorded average high-temperature of a still moderately hot 77.5°F (25.3°C), showing little divergence from the previous month's conditions. Saint Charles registers a pronounced decline from daytime peak temperatures, averaging a chilly 49.8°F (9.9°C) lows in August.Humidity
The least humid month is August, with an average relative humidity of 42%.Rainfall
In August, the rain falls for 8.9 days. Throughout August, 1.02" (26mm) of precipitation is accumulated. In Saint Charles, during the entire year, the rain falls for 105.7 days and collects up to 16.69" (424mm) of precipitation.Snowfall
In Saint Charles, snow does not fall in July and August.Daylight
In August, the average length of the day is 13h and 50min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:44 pm. On the last day of August, in Saint Charles, sunrise is at 6:50 am and sunset at 8:00 pm MDT.
Sunshine
The months with the most sunshine are July and August, with an average of 11.8h of sunshine.UV index
In Saint Charles, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 4 in August transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Saint Charles in August?
What is the least humid month in Saint Charles?
What is the average humidity in August in Saint Charles?
How many days does it rain in August in Saint Charles?
When it does not snow in Saint Charles?
Does it snow in Saint Charles in August?
What is the average length of the day in August in Saint Charles?
What time are sunrise and sunset in August in Saint Charles?
What are the months with the most sunshine in Saint Charles?
How long on average sun shines in August in Saint Charles?
What is the UV index intensity in August in Saint Charles?
Average temperature in August
Saint Charles, ID
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in August: 49.8°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).
Average pressure in August
Saint Charles, ID
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Saint Charles, ID
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in August
Saint Charles, ID
- Average humidity in August: 42%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in August
Saint Charles, ID
- Average rainfall in August: 1.02"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in August
Saint Charles, ID
- Average rainfall days in August: 8.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in August
Saint Charles, ID
- Average snowfall in August: 0"
The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Saint Charles, ID
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Saint Charles, ID
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 11h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in August
Saint Charles, ID
- Average sunshine days in August: 17.2 days
The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in August
Saint Charles, ID
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Saint Charles, ID
- Average cloud cover in August: 13
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in August
Saint Charles, 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 and February (3mi).
Saint Charles, Idaho, USA
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