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
With the transition into August, Saint Charles notes an average high-temperature of a still warm 77.5°F (25.3°C), closely resembling July. Throughout the month of August, Saint Charles sees a steady low-temperature average of 59.4°F (15.2°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In Saint Charles, during August, the rain falls for 13.8 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, in Saint Charles, there are 126.4 rainfall days, and 15.79" (401mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Saint Charles.Daylight
In August, the average length of the day in Saint Charles is 13h and 55min.On the first day of August, sunrise is at 6:27 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:12 pm EDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Saint Charles in August?
What is the average humidity in August in Saint Charles?
How much does it rain in Saint Charles in August?
When it does not snow in Saint Charles?
What is the average length of the day in August in Saint Charles?
What time are sunrise and sunset in August in Saint Charles?
How long on average sun shines in August in Saint Charles?
When is the highest UV index in Saint Charles?
What is the UV index reading in August in Saint Charles?
Average temperature in August
Saint Charles, MI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in August
Saint Charles, MI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Saint Charles, MI
- Average wind speed in August: 6.6mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Saint Charles, MI
- Average humidity in August: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Saint Charles, MI
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in August
Saint Charles, MI
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in August
Saint Charles, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Saint Charles, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Charles, MI
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in August
Saint Charles, MI
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in August
Saint Charles, MI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Saint Charles, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Saint Charles, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Saint Charles, Michigan, USA
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