August weather forecastSaint Mary's, AK
August
Weather in August
August, the last month of the summer in Saint Mary's, is another mild month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 59°F (15°C).Temperature
The arrival of August denotes a barely perceptible change in the average high-temperatures to a mild 59°F (15°C) from July's 61.5°F (16.4°C). Saint Mary's records an average low-temperature of 46.4°F (8°C) throughout the month of August.Humidity
The average relative humidity in August is 82%.Rainfall
August is the month with the most rainfall in Saint Mary's. Rain falls for 17.8 days and accumulates 2.13" (54mm) of precipitation.Snowfall
In Saint Mary's, snow does not fall in June through August.Daylight
In August, the average length of the day is 15h and 52min.On the first day of the month, sunrise is at 6:21 am and sunset at 11:36 pm. On the last day of August, sunrise is at 7:42 am and sunset at 10:03 pm AKDT.
Sunshine
In Saint Mary's, the average sunshine in August is 5.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during August translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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 Mary's, AK
- Average high temperature in August: 59°F
The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).
- Average low temperature in August: 46.4°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).
Average pressure in August
Saint Mary's, AK
- Average pressure in August: 29.83"Hg
The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).
Average wind speed in August
Saint Mary's, AK
- Average wind speed in August: 9.2mph
The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in August
Saint Mary's, AK
- Average humidity in August: 82%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in August
Saint Mary's, AK
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").
Average rainfall days in August
Saint Mary's, AK
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in August
Saint Mary's, AK
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Saint Mary's, AK
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Saint Mary's, AK
- Average daylight in August: 15h and 54min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in August: 5h and 36min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in August
Saint Mary's, AK
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in August
Saint Mary's, AK
- Average UV index in August: 3
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).
Average cloud cover in August
Saint Mary's, AK
- Average cloud cover in August: 67
The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).
Average visibility in August
Saint Mary's, AK
- 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, March, April, November and December (5mi).
