August weather forecastMount Vernon, ME
August
Weather in August
August, the last month of the summer in Mount Vernon, is also a moderately hot month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 76.8°F (24.9°C).Temperature
Mount Vernon's average high-temperature in August is a still warm 76.8°F (24.9°C), indicating a subtle variation from July. Mount Vernon, during August nights, observes an average temperature of 55.2°F (12.9°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 15.1 days. Throughout August, 2.44" (62mm) of precipitation is accumulated. In Mount Vernon, during the entire year, the rain falls for 142.5 days and collects up to 30.47" (774mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Mount Vernon, the average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 5:27 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:17 pm EDT.
Sunshine
With an average of 9.8h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mount Vernon, ME
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in August: 55.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in August
Mount Vernon, ME
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Mount Vernon, ME
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Mount Vernon, ME
- Average humidity in August: 80%
The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Mount Vernon, ME
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in August
Mount Vernon, ME
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Mount Vernon, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mount Vernon, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Vernon, ME
- 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 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in August
Mount Vernon, ME
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in August
Mount Vernon, ME
- 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, March, October, November and December (UV index 2).
Average cloud cover in August
Mount Vernon, ME
- Average cloud cover in August: 39
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in August
Mount Vernon, ME
- Average visibility in August: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
