Climate and monthly weather forecast
Mount Vernon, KY

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Weather in January

January, like December, in Mount Vernon, Kentucky, is a wintry winter month, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 40.3°F (4.6°C). January is the month that records the lowest temperatures, with averages ranging from a high of 40.3°F (4.6°C) to a low of 27°F (-2.8°C). Weather in January »

Weather in February

February, the last month of the winter in Mount Vernon, is a chilly month, with an average temperature ranging between max 45.5°F (7.5°C) and min 30.7°F (-0.7°C). Mount Vernon's transition from January to February introduces an average high-temperature of a frosty 45.5°F (7.5°C), marking an insignificant variation from the 40.3°F (4.6°C). Weather in February »

Weather in March

March, the first month of the spring in Mount Vernon, is a cool month, with an average temperature fluctuating between 37.9°F (3.3°C) and 54.5°F (12.5°C). Mount Vernon's transition into March is marked by a rise in the average high-temperature, advancing from a frosty 45.5°F (7.5°C) in February to a cool 54.5°F (12.5°C). Weather in March »

Weather in April

April in Mount Vernon, Kentucky, is an enjoyable spring month, with an average temperature fluctuating between 46.8°F (8.2°C) and 66.4°F (19.1°C). Entering April, Mount Vernon sees a temperature rise, with the average high-temperature advancing from March's cool 54.5°F (12.5°C) to an enjoyable 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 temperature in the range of an average high of 75.2°F (24°C) and an average low of 55.9°F (13.3°C). May brings a slight elevation in the average high-temperature, transitioning from April's refreshing 66.4°F (19.1°C) to a warm 75.2°F (24°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Mount Vernon, Kentucky, with an average temperature varying between 62.1°F (16.7°C) and 82.9°F (28.3°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a warm 75.2°F (24°C) to a still moderately hot 82.9°F (28.3°C). Weather in June »

Weather in July

July, like June, in Mount Vernon, Kentucky, is another warm summer month, with an average temperature ranging between max 85.6°F (29.8°C) and min 65.1°F (18.4°C). July is the month when Mount Vernon's temperatures reach their peak, with averages of 85.6°F (29.8°C) and lows of 65.1°F (18.4°C). July's average heat index is calculated to be a torrid 96.8°F (36°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Mount Vernon, Kentucky, with an average temperature fluctuating between 84.7°F (29.3°C) and 63.5°F (17.5°C). Mount Vernon's average high-temperature in August is a still moderately hot 84.7°F (29.3°C), marking an insignificant difference from the 85.6°F (29.8°C) of July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Mount Vernon, Kentucky, with an average temperature fluctuating between 78.6°F (25.9°C) and 58.1°F (14.5°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 84.7°F (29.3°C) 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 enjoyable autumn month, with an average temperature ranging between max 66.7°F (19.3°C) and min 47.3°F (8.5°C). The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 78.6°F (25.9°C) to a comfortable 66.7°F (19.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Mount Vernon, Kentucky, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37.2°F (2.9°C). Mount Vernon's weather changes with the onset of November, slightly falling from a refreshing 66.7°F (19.3°C) in October to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Mount Vernon, Kentucky, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 45.5°F (7.5°C). December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a fresh 53.8°F (12.1°C) in November to a frosty 45.5°F (7.5°C). Weather in December »

Frequently asked questions

What are the coldest months?

With average temperatures fluctuating between a high of 40.3°F (4.6°C) and a low of 27°F (-2.8°C), January stands out as the coldest month.

How many days does it rain?

In Mount Vernon, during the entire year, the rain falls for 181 days and collects up to 40.28" (1023mm) of precipitation.

When does it snow?

January through April, October through December are months with snowfall.

How many days does it snow?

Throughout the year, there are 34.4 snowfall days, and 14.17" (360mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.1h of sunshine.

What are the months with the lowest UV index?

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

What are the most humid months?

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

What is the rainiest month?

The month with the most rainfall in Mount Vernon is February, when the rain falls for 12.3 days and typically aggregates up to 4.13" (105mm) of precipitation.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 3.98" (101mm) of snow.

When is Daylight Saving Time (DST)?

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, Kentucky, snow does not fall in May through September.

What is the month with the highest UV index in Mount Vernon?

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

What are the least humid months?

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

When are the longest days?

June has the longest days of the year, with an average of 14h and 42min of daylight.

What month has the most sunshine?

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

What is the warmest month?

Mount Vernon's temperature records reveal July as the warmest month, marked by average highs of 85.6°F (29.8°C) and lows of 65.1°F (18.4°C).

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.44" (62mm) of precipitation.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

Mount Vernon, Kentucky, USA

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