Climate and monthly weather forecast
Mount Vernon, KY

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Weather in January

January, like December, in Mount Vernon, Kentucky, is another cold winter month, with an average temperature ranging between max 40.3°F (4.6°C) and min 27°F (-2.8°C). January, with average temperatures reaching a high of 40.3°F (4.6°C) and a low of 27°F (-2.8°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Mount Vernon, is a chilly month, with an average temperature varying between 45.5°F (7.5°C) and 30.7°F (-0.7°C). As Mount Vernon welcomes February, the average high-temperature records at a frosty 45.5°F (7.5°C), marking an insignificant deviation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Mount Vernon, is a fresh month, with an average temperature ranging between min 37.9°F (3.3°C) and max 54.5°F (12.5°C). March signals a shift in the average high-temperature, moving from February's frosty 45.5°F (7.5°C) to a cool 54.5°F (12.5°C). Weather in March »

Weather in April

April in Mount Vernon, Kentucky, is a refreshing spring month, with an average temperature varying between 66.4°F (19.1°C) and 46.8°F (8.2°C). As Mount Vernon welcomes April, the average high-temperature sees a rise, transitioning from a fresh 54.5°F (12.5°C) in March to a refreshing 66.4°F (19.1°C). Weather in April »

Weather in May

May, the last month of the spring in Mount Vernon, is a warm month, with an average temperature ranging between min 55.9°F (13.3°C) and max 75.2°F (24°C). The beginning of May marks a minor shift in the average high-temperature, moving from April's comfortable 66.4°F (19.1°C) to a warm 75.2°F (24°C). Weather in May »

Weather in June

June, the first month of the summer in Mount Vernon, is still a warm month, with an average temperature ranging between min 62.1°F (16.7°C) and max 82.9°F (28.3°C). As Mount Vernon transitions into June, a marginal rise in the average high-temperature is observed, moving from a moderately hot 75.2°F (24°C) in May to a still warm 82.9°F (28.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Mount Vernon, Kentucky, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 85.6°F (29.8°C). July, noted for its average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.1°F (18.4°C), is considered the warmest month. Throughout July, the heat index is computed to be a very hot 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Mount Vernon, Kentucky, with an average temperature ranging between min 63.5°F (17.5°C) and max 84.7°F (29.3°C). In August, Mount Vernon experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 84.7°F (29.3°C), closely mirroring the climate in July. Weather in August »

Weather in September

September, the first month of the autumn in Mount Vernon, is also a moderately hot month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 58.1°F (14.5°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from 84.7°F (29.3°C) in August to a still warm 78.6°F (25.9°C). Weather in September »

Weather in October

October, like September, in Mount Vernon, Kentucky, is another refreshing autumn month, with an average temperature ranging between min 47.3°F (8.5°C) and max 66.7°F (19.3°C). In October, the average high-temperature decreases from a moderately hot 78.6°F (25.9°C) in September to an enjoyable 66.7°F (19.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Mount Vernon, is also a fresh month, with an average temperature varying between 37.2°F (2.9°C) and 53.8°F (12.1°C). The transition into November indicates a reduction in the average high-temperature, down to a cool 53.8°F (12.1°C) from October's enjoyable 66.7°F (19.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Mount Vernon, Kentucky, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 32.9°F (0.5°C). December heralds a minor drop in average high-temperature, sliding from November's cool 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Mount Vernon?

Mount Vernon's January weather, with an average high temperature of 40.3°F (4.6°C) and an average low temperature of 27°F (-2.8°C), tends to be the coldest of the year.

How much does it rain in Mount Vernon?

Throughout the year, there are 181 rainfall days, and 40.28" (1023mm) of precipitation is accumulated.

When does it snow in Mount Vernon?

Months with snowfall in Mount Vernon are January through April, October through December.

How much does it snow in Mount Vernon?

In Mount Vernon, during the entire year, snow falls for 34.4 days and aggregates up to 14.17" (360mm) of snow.

What is the month with the least sunshine in Mount Vernon?

January has the least sunshine of the year in Mount Vernon, Kentucky, with an average of 4.1h of sunshine.

When is the lowest UV index in Mount Vernon?

The months with the lowest UV index in Mount Vernon are January, February, November and December, with an average maximum UV index of 2.

What are the most humid months in Mount Vernon?

February and December, with an average relative humidity of 80%, are most humid months in Mount Vernon, Kentucky.

What is the rainiest month in Mount Vernon?

February is the month with the most rainfall. Rain falls for 12.3 days and accumulates 4.13" (105mm) of precipitation.

When does it snow the most in Mount Vernon?

The month with the most snowfall in Mount Vernon, Kentucky, is February, when snow falls for 8.3 days and typically aggregates up to 3.98" (101mm) of snow.

When is Daylight Saving Time (DST) in Mount Vernon?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Mount Vernon?

May through September are months without snowfall.

What are the months with the highest UV index in Mount Vernon?

The months with the highest UV index in Mount Vernon, Kentucky, are May through August, with an average maximum UV index of 6.

What is the least humid month in Mount Vernon?

June, August through November, with an average relative humidity of 76%, are the least humid months.

When are the longest days in Mount Vernon?

The month with the longest days in Mount Vernon, Kentucky, is June, with an average of 14h and 42min of daylight.

What month has the most sunshine in Mount Vernon?

With an average of 10.1h of sunshine, June has the most sunshine of the year.

What is the warmest month in Mount Vernon?

July is Mount Vernon's warmest month, registering average high temperatures of 85.6°F (29.8°C) and lows of 65.1°F (18.4°C).

What is the driest month in Mount Vernon?

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.44" (62mm) of precipitation.

What is the month with the shortest days in Mount Vernon?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Mount Vernon, KY

Average temperature - Mount Vernon, KY

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (40.3°F).

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure
Mount Vernon, KY

Average pressure - Mount Vernon, KY

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed
Mount Vernon, KY

Average wind speed - Mount Vernon, KY

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity
Mount Vernon, KY

Average humidity - Mount Vernon, KY

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, September, October and November (76%).

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Average rainfall
Mount Vernon, KY

Average rainfall - Mount Vernon, KY

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days
Mount Vernon, KY

Average rainfall days - Mount Vernon, KY

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is January (11.8 days).

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Average snowfall
Mount Vernon, KY

Average snowfall - Mount Vernon, KY

The month with the highest snowfall is February (3.98").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mount Vernon, KY

Average snowfall days - Mount Vernon, KY

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Mount Vernon, KY

Average daylight / Average sunshine - Mount Vernon, KY

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days
Mount Vernon, KY

Average sunshine days - Mount Vernon, KY

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is February (9.7 days).

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Average UV index
Mount Vernon, KY

Average UV index - Mount Vernon, KY

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Mount Vernon, KY

Average visibility - Mount Vernon, KY

The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).

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Mount Vernon, Kentucky, USA

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