August weather forecastSaint Helen, MI
August
Weather in August
August, the last month of the summer in Saint Helen, is another warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 77.2°F (25.1°C).Temperature
August notes an average high-temperature of a still warm 77.2°F (25.1°C), subtly differing from July's 78.4°F (25.8°C). Nighttime temperature in Saint Helen dips to a mean of 57.2°F (14°C) during August.Humidity
The average relative humidity in August in Saint Helen is 78%.Rainfall
In Saint Helen, in August, during 14.1 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Saint Helen, there are 136.5 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Saint Helen, Michigan.Daylight
The average length of the day in August is 13h and 59min.On the first day of the month, sunrise is at 6:25 am and sunset at 9:02 pm. On the last day of August, in Saint Helen, sunrise is at 7:00 am and sunset at 8:15 pm EDT.
Sunshine
In Saint Helen, the average sunshine in August is 9.7h.UV index
The months with the highest UV index in Saint Helen are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Saint Helen, MI
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 57.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in August
Saint Helen, MI
- Average pressure in August: 29.95"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 Helen, MI
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in August
Saint Helen, MI
- Average humidity in August: 78%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall in August
Saint Helen, MI
- Average rainfall in August: 1.69"
The wettest months (with the highest rainfall) are May and October (2.68").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in August
Saint Helen, MI
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in August
Saint Helen, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (8.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Saint Helen, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21 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 Helen, MI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in August
Saint Helen, MI
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in August
Saint Helen, MI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Saint Helen, MI
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Saint Helen, MI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).
