Climate and monthly weather forecast
Saint Helens, KY

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Weather in January

January, like December, in Saint Helens, Kentucky, is an icy winter month, with an average temperature varying between 40.1°F (4.5°C) and 27°F (-2.8°C). January, known for its average high temperature of 40.1°F (4.5°C) and an average low temperature of 27°F (-2.8°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Saint Helens, is a frosty month, with an average temperature ranging between min 30.6°F (-0.8°C) and max 45.5°F (7.5°C). The arrival of February signals a slight increase in the average high-temperature, moving from a cold 40.1°F (4.5°C) in January to a frosty 45.5°F (7.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Saint Helens, Kentucky, with an average temperature fluctuating between 37.8°F (3.2°C) and 54.3°F (12.4°C). In March, the meteorological conditions subtly change with the average high-temperature edging from a chilly 45.5°F (7.5°C) in February to a cool 54.3°F (12.4°C). Weather in March »

Weather in April

April is a refreshing spring month in Saint Helens, Kentucky, with an average temperature fluctuating between 66.6°F (19.2°C) and 46.9°F (8.3°C). The shift into April brings an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in March to an enjoyable 66.6°F (19.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Saint Helens, Kentucky, with an average temperature varying between 55°F (12.8°C) and 75.9°F (24.4°C). May witnesses an increase in the average high-temperature, moving from a refreshing 66.6°F (19.2°C) in April to a moderately hot 75.9°F (24.4°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Saint Helens, Kentucky, with an average temperature varying between 83.7°F (28.7°C) and 61.3°F (16.3°C). As June arrives, a slight rise in the average high-temperature is observed, moving from 75.9°F (24.4°C) in May to a still warm 83.7°F (28.7°C). Weather in June »

Weather in July

July in Saint Helens, Kentucky, is a tropical summer month, with an average temperature fluctuating between 86.9°F (30.5°C) and 64.2°F (17.9°C). The warmest temperatures occur during July, when averages reach a peak of 86.9°F (30.5°C) and a low of 64.2°F (17.9°C). The heat index for July is computed to be a torrid 100.4°F (38°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Helens, is another warm month, with an average temperature fluctuating between 85.6°F (29.8°C) and 62.6°F (17°C). With the start of August, Saint Helens measures an average high-temperature of a moderately hot 85.6°F (29.8°C), not significantly differing from July's 86.9°F (30.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Saint Helens, is still a warm month, with an average temperature varying between 57.6°F (14.2°C) and 79.3°F (26.3°C). September signifies a minor drop in average high-temperature, transitioning from a moderately hot 85.6°F (29.8°C) in August to a still warm 79.3°F (26.3°C). Weather in September »

Weather in October

October, like September, in Saint Helens, Kentucky, is another comfortable autumn month, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 47.3°F (8.5°C). As October begins, there is a decrease in the average high-temperature, falling from a warm 79.3°F (26.3°C) in September to an enjoyable 66.6°F (19.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Saint Helens, Kentucky, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 54.1°F (12.3°C). Saint Helens, Kentucky, in November undergoes a mild reduction in the average high-temperature, shifting from October's comfortable 66.6°F (19.2°C) to a cool 54.1°F (12.3°C). Weather in November »

Weather in December

December, the first month of the winter in Saint Helens, is still a chilly month, with an average temperature fluctuating between 45.1°F (7.3°C) and 32.9°F (0.5°C). December's arrival corresponds with a decrease in average high-temperatures, from November's fresh 54.1°F (12.3°C) to a chilly 45.1°F (7.3°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Saint Helens?

In Saint Helens, January is the coldest month, with temperatures averaging a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C).

How many days does it rain in Saint Helens?

Throughout the year, in Saint Helens, Kentucky, there are 167.6 rainfall days, and 33.11" (841mm) of precipitation is accumulated.

When does it snow in Saint Helens?

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

How much does it snow in Saint Helens?

In Saint Helens, Kentucky, during the entire year, snow falls for 32.6 days and aggregates up to 12.17" (309mm) of snow.

What is the month with the least sunshine in Saint Helens?

The month with the least sunshine in Saint Helens is January, with an average of 4h of sunshine.

What are the months with the lowest UV index in Saint Helens?

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

What is the most humid month in Saint Helens?

The months with the highest humidity in Saint Helens are February and December, with an average relative humidity of 80%.

What is the wettest month in Saint Helens?

The wettest months are February and May, with an average 3.46" (88mm) of rainfall.

When does it snow the most in Saint Helens?

The month with the most snowfall in Saint Helens is February, when snow falls for 8.5 days and typically aggregates up to 2.99" (76mm) of snow.

When is Daylight Saving Time (DST) in Saint Helens?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Saint Helens, Kentucky, 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 Saint Helens?

May through September are months without snowfall.

When is the highest UV index in Saint Helens?

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

What are the least humid months in Saint Helens?

June, August, October and November, with an average relative humidity of 75%, are the least humid months in Saint Helens.

When are the longest days in Saint Helens?

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

What month has the most sunshine in Saint Helens?

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

What is the hottest time of year in Saint Helens?

The highest temperatures are recorded in July, with averages reaching a high of 86.9°F (30.5°C) and a low of 64.2°F (17.9°C).

What is the driest month in Saint Helens?

The month with the least rainfall in Saint Helens is September, when the rain falls for 13.2 days and typically collects 2.05" (52mm) of precipitation.

What is the month with the shortest days in Saint Helens?

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

Average temperature
Saint Helens, KY

Average temperature - Saint Helens, KY

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure
Saint Helens, KY

Average pressure - Saint Helens, KY

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

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Average wind speed
Saint Helens, KY

Average wind speed - Saint Helens, KY

The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity
Saint Helens, KY

Average humidity - Saint Helens, KY

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).

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Average rainfall
Saint Helens, KY

Average rainfall - Saint Helens, KY

The wettest months (with the highest rainfall) are February and May (3.46").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days
Saint Helens, KY

Average rainfall days - Saint Helens, KY

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.7 days).

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Average snowfall
Saint Helens, KY

Average snowfall - Saint Helens, KY

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Saint Helens, KY

Average snowfall days - Saint Helens, KY

The month with the highest number of snowfall days is January (9.6 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
Saint Helens, KY

Average daylight / Average sunshine - Saint Helens, 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 0min).

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Average sunshine days
Saint Helens, KY

Average sunshine days - Saint Helens, KY

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index
Saint Helens, KY

Average UV index - Saint Helens, 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 and December (UV index 2).

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Average visibility
Saint Helens, KY

Average visibility - Saint Helens, KY

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

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Saint Helens, Kentucky, USA

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