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United StatesThe weather in August in Mount Vernon
It's warm in August in Mount Vernon with an average temperature of 24°C. Temperatures this month range from a low of 22°C to a high of 25°C. At night, you can expect temperatures between 12°C and 14°C.
Looking for great weather? August is a good time to be in Mount Vernon. The temperatures are nice, and there’s little chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Mount Vernon, Washington. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2020, Mount Vernon reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 15°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 19°C.
Rainfall amount
In August, there is an average of 16 mm of precipitation, spread over 4 days. The wind speed is around 3 Bft, mostly coming from the West.
Daily weather in August for Mount Vernon
Click on any day in August to get detailed info about the usual weather on that day in Mount Vernon. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Mount Vernon | New York | |
|---|---|---|
| Average temperature | 24°C | 30°C |
| Max. temperature | 25°C | 31°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 16 mm | 79 mm |
| Rainy days | 4 days | 13 days |
Start of August
The month of August starts in Mount Vernon with warm temps, averaging around 25°C during the day and nights around 14°C.
Mid August
By mid-August, daytime temps stay steady at around 25°C, with nights around 14°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of August
By the end of August, the average daytime temperature in Mount Vernon is around 24°C, while nighttime temps are about 13°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Mount Vernon for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Mount Vernon, Washington. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Mount Vernon
Temperature in August in Mount Vernon over the years
Precipitation charts
These charts show the average amount of precipitation in August in Mount Vernon, Washington. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Mount Vernon
Total precipitation in August in Mount Vernon over the years
Daily UV index in August in Mount Vernon
This chart shows the average daily UV index in August in Mount Vernon, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Mount Vernon
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Average weather in Mount Vernon by month
Click on a month below to see detailed weather info for Mount Vernon. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.