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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Helena, Kentucky, with an average temperature varying between 25.2°F (-3.8°C) and 37.9°F (3.3°C). Helena's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 25.2°F (-3.8°C). Weather in January »
Weather in February
February, the last month of the winter in Helena, is a chilly month, with an average temperature fluctuating between 42.8°F (6°C) and 28.2°F (-2.1°C). The high-temperature average in February for Helena is a frosty 42.8°F (6°C), staying closely aligned with January's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Helena, Kentucky, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 52.5°F (11.4°C). March's arrival coincides with a rise in the average high-temperature, moving from February's chilly 42.8°F (6°C) to a fresh 52.5°F (11.4°C). Weather in March »
Weather in April
April is an enjoyable spring month in Helena, Kentucky, with an average temperature fluctuating between 45.7°F (7.6°C) and 64.9°F (18.3°C). Helena sees a rise in temperature during April, with average high-temperatures transitioning from a fresh 52.5°F (11.4°C) in March to a comfortable 64.9°F (18.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Helena, Kentucky, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 55.2°F (12.9°C). May brings an increase in the average high-temperature, progressing from an enjoyable 64.9°F (18.3°C) in April to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
June, the first month of the summer in Helena, is also a moderately hot month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 82.2°F (27.9°C). Helena observes a slight ascent in average high-temperatures during June, adjusting from 74.8°F (23.8°C) in May to a still warm 82.2°F (27.9°C). Weather in June »
Weather in July
July, like June, in Helena, Kentucky, is a moderately hot summer month, with an average temperature fluctuating between 64.9°F (18.3°C) and 85.3°F (29.6°C). Helena, Kentucky, registers the highest average temperatures during the month of July, with peaks of 85.3°F (29.6°C) and lows of 64.9°F (18.3°C). In July, the average heat index is estimated at 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 Helena, Kentucky, with an average temperature ranging between max 84.2°F (29°C) and min 63.5°F (17.5°C). August records an average high-temperature of a still moderately hot 84.2°F (29°C), indicating a minor variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Helena, Kentucky, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 78.1°F (25.6°C). As September commences, the average high-temperature subtly reduces, transitioning from 84.2°F (29°C) in August to a still moderately hot 78.1°F (25.6°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Helena, Kentucky, with an average temperature varying between 65.3°F (18.5°C) and 46.9°F (8.3°C). Stepping into October, Helena observes a temperature decline, with the average high falling from September's moderately hot 78.1°F (25.6°C) to a comfortable 65.3°F (18.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh 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 Helena, the beginning of November is marked by a lowered average high-temperature, shifting from October's refreshing 65.3°F (18.5°C) to a fresh 52.3°F (11.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Helena, Kentucky, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 31.3°F (-0.4°C). December implies a soft temperature shift, with average high-temperatures reducing from November's cool 52.3°F (11.3°C) to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Helena?
Helena's coldest temperatures are experienced in January, with average high temperatures of 37.9°F (3.3°C) and lows of 25.2°F (-3.8°C).
What is the driest month in Helena?
January, September and October are months with the least rain when the rain falls for 9.3 days and typically aggregates up to 1.06" (27mm) of rain.
How many days does it rain in Helena?
Throughout the year, in Helena, there are 143.3 rainfall days, and 17.36" (441mm) of precipitation is accumulated.
When does it snow in Helena?
January through April, October through December are months with snowfall in Helena.
How many days does it snow in Helena?
In Helena, 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?
With an average of 3.9h of sunshine, January has the least sunshine of the year in Helena.
When is the lowest UV index in Helena?
The months with the lowest UV index in Helena, Kentucky, are January, February, November and December, with an average maximum UV index of 2.
What are the most humid months in Helena?
February and December, with an average relative humidity of 81%, are most humid months in Helena, Kentucky.
When does it snow the most in Helena?
The month with the most snowfall is February, when snow falls for 7.9 days and typically aggregates up to 1.46" (37mm) of snow.
When is Daylight Saving Time (DST) in Helena?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Helena, 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 Helena?
May through September are months without snowfall.
When is the highest UV index in Helena?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Helena, Kentucky.
When are the longest days in Helena?
The month with the longest days in Helena, Kentucky, is June, with an average of 14h and 48min of daylight.
What are the warmest months in Helena?
Temperature records mark July as the warmest month, with highs averaging 85.3°F (29.6°C) and lows at 64.9°F (18.3°C).
What is the wettest month in Helena?
The month with the most rainfall in Helena is July, when the rain falls for 15.8 days and typically aggregates up to 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?
August has the most sunshine of the year in Helena, Kentucky, with an average of 10.2h of sunshine.
What is the month with the shortest days in Helena?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
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).
Average pressure
Helena, KY
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
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).
Average wind speed
Helena, KY
- Average wind speed in January:
8.5mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.8mph
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).
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%).
Average rainfall
Helena, KY
- Average rainfall in January:
1.06" - Average rainfall in February:
1.54" - Average rainfall in March:
1.46" - Average rainfall in April:
1.77" - Average rainfall in May:
1.81" - Average rainfall in June:
1.61"
- Average rainfall in July:
1.93" - Average rainfall in August:
1.42" - Average rainfall in September:
1.06" - Average rainfall in October:
1.06" - Average rainfall in November:
1.18" - Average rainfall in December:
1.46"
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").
Average rainfall days
Helena, KY
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
10.8 days
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).
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").
Average snowfall days
Helena, KY
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
6.1 days
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).
Average daylight / Average sunshine
Helena, KY
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 1min
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).
Average sunshine days
Helena, KY
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
11.4 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
19 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is February (11.4 days).
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).
Average cloud cover
Helena, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
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).
Helena, Kentucky, USA
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