Climate and monthly weather forecast
Helena, KY

Weather in January

January, like December, in Helena, Kentucky, is another cold winter month, with an average temperature varying between 37.9°F (3.3°C) and 25.2°F (-3.8°C). January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 25.2°F (-3.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Helena, Kentucky, with an average temperature varying between 28.2°F (-2.1°C) and 42.8°F (6°C). In Helena, the average high-temperature in February is relatively the same as in January - a chilly 42.8°F (6°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Helena, Kentucky, with an average temperature varying between 52.5°F (11.4°C) and 36.1°F (2.3°C). In March, the average high-temperature rises from a frosty 42.8°F (6°C) in February to a fresh 52.5°F (11.4°C). Weather in March »

Weather in April

April in Helena, Kentucky, is an enjoyable spring month, with an average temperature fluctuating between 45.7°F (7.6°C) and 64.9°F (18.3°C). In April, the average high-temperature rises from a cool 52.5°F (11.4°C) in March to an enjoyable 64.9°F (18.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Helena, Kentucky, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 74.8°F (23.8°C). In Helena, the average high-temperature in May increases from an enjoyable 64.9°F (18.3°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Helena, Kentucky, with an average temperature ranging between min 61.7°F (16.5°C) and max 82.2°F (27.9°C). In June, the average high-temperature marginally rises from 74.8°F (23.8°C) in May to a still moderately hot 82.2°F (27.9°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Helena, Kentucky, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 85.3°F (29.6°C). The warmest month is July, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index in July is appraised at a torrid 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Helena, is another warm month, with an average temperature fluctuating between 84.2°F (29°C) and 63.5°F (17.5°C). In Helena, Kentucky, the average high-temperature in August is essentially the same as in July - a still warm 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Helena, Kentucky, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 57.7°F (14.3°C). In September, the average high-temperature marginally drops from 84.2°F (29°C) in August to a still warm 78.1°F (25.6°C). Weather in September »

Weather in October

October, like September, in Helena, Kentucky, is another comfortable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 65.3°F (18.5°C). In October, the average high-temperature decreases from a warm 78.1°F (25.6°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Helena, Kentucky, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.9°F (2.7°C). In November, the average high-temperature drops from an enjoyable 65.3°F (18.5°C) in October to a fresh 52.3°F (11.3°C). Weather in November »

Weather in December

December, the first month of the winter in Helena, is still a chilly month, with an average temperature varying between 31.3°F (-0.4°C) and 43.5°F (6.4°C). In Helena, the average high-temperature in December slightly decreases from a fresh 52.3°F (11.3°C) in November to a chilly 43.5°F (6.4°C). Weather in December »
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FAQ

What is the coldest month in Helena?

The coldest month is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 25.2°F (-3.8°C).

What is the driest month in Helena?

The months with the least rainfall in Helena are January, September and October Rain falls for 9.3 days and accumulates 1.06" (27mm) of rain.

How much does it rain in Helena?

In Helena, during the entire year, the rain falls for 143.3 days and collects up to 17.36" (441mm) of precipitation.

When does it snow in Helena?

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

How much does it snow in Helena?

In Helena, Kentucky, during the entire year, snow falls for 30.6 days and aggregates up to 5.16" (131mm) of snow.

What is the month with the least sunshine in Helena?

January has the least sunshine of the year, with an average of 3.9h of sunshine.

What is the month with the lowest UV index in Helena?

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

What is the most humid month in Helena?

February and December, with an average relative humidity of 81%, are most humid months in Helena.

When does it snow the most in Helena?

February is the month with the most snowfall. Snow falls for 7.9 days and accumulates 1.46" (37mm) of snow.

When is Daylight Saving Time (DST) in Helena?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Helena?

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

What are the months with the highest UV index in Helena?

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

When are the longest days in Helena?

June has the longest days of the year in Helena, Kentucky, with an average of 14h and 49min of daylight.

What is the warmest month in Helena?

July is the warmest month in Helena, Kentucky, with an average high-temperature of 85.3°F (29.6°C) and an average low-temperature of 64.9°F (18.3°C).

What is the wettest month in Helena?

July is the month with the most rainfall in Helena, Kentucky. Rain falls for 15.8 days and accumulates 1.93" (49mm) of precipitation.

What is the least humid month in Helena?

August is the least humid month, with an average relative humidity of 75%.

What month has the most sunshine in Helena?

With an average of 10.2h of sunshine, August has the most sunshine of the year.

What is the month with the shortest days in Helena?

With an average of 9h and 32min of daylight, December has the shortest days of the year.

Average temperature
Helena, KY

Average temperature - Helena, KY

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure
Helena, KY

Average pressure - Helena, KY

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed
Helena, KY

Average wind speed - Helena, KY

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity
Helena, KY

Average humidity - Helena, KY

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

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Average rainfall
Helena, KY

Average rainfall - Helena, KY

The wettest month (with the highest rainfall) is July (1.93").
The driest months (with the least rainfall) are January, September and October (1.06").

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Average rainfall days
Helena, KY

Average rainfall days - Helena, KY

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall
Helena, KY

Average snowfall - Helena, KY

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Helena, KY

Average snowfall days - Helena, KY

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Helena, KY

Average daylight / Average sunshine - Helena, KY

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 32min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
Helena, KY

Average sunshine days - Helena, KY

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is February (11.4 days).

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Average UV index
Helena, KY

Average UV index - Helena, 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
Helena, KY

Average visibility - Helena, KY

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

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