Climate and monthly weather forecastSaint Helens, KY
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Saint Helens, Kentucky, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 40.1°F (4.5°C). Saint Helens notes the coldest temperatures in January, with a high average of 40.1°F (4.5°C) and a low of 27°F (-2.8°C). Weather in January »Weather in February
February, the last month of the winter in Saint Helens, is a chilly month, with an average temperature fluctuating between 45.5°F (7.5°C) and 30.6°F (-0.8°C). As Saint Helens enters February, the average high-temperature marginally increases from the a cold 40.1°F (4.5°C) of January to a chilly 45.5°F (7.5°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Saint Helens, Kentucky, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 37.8°F (3.2°C). The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a chilly 45.5°F (7.5°C) in February to a fresh 54.3°F (12.4°C). Weather in March »Weather in April
April in Saint Helens, Kentucky, is a comfortable spring month, with an average temperature ranging between max 66.6°F (19.2°C) and min 46.9°F (8.3°C). Saint Helens in April sees a temperature change, with average high-temperatures moving from a cool 54.3°F (12.4°C) in March to a comfortable 66.6°F (19.2°C). Weather in April »Weather in May
May, the last month of the spring in Saint Helens, is a moderately hot month, with an average temperature fluctuating between 75.9°F (24.4°C) and 55°F (12.8°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's comfortable 66.6°F (19.2°C) to a moderately hot 75.9°F (24.4°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Saint Helens, Kentucky, with an average temperature ranging between max 83.7°F (28.7°C) and min 61.3°F (16.3°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a warm 75.9°F (24.4°C) in May to a still moderately hot 83.7°F (28.7°C). Weather in June »Weather in July
July in Saint Helens, Kentucky, is a tropical summer month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 86.9°F (30.5°C). Saint Helens's warmest weather arrives in July, when temperatures average a high of 86.9°F (30.5°C) and a low of 64.2°F (17.9°C). In July, the average heat index is calculated to be a fiery hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Saint Helens, Kentucky, with an average temperature varying between 62.6°F (17°C) and 85.6°F (29.8°C). The transition into August marks the average high-temperature at a moderately hot 85.6°F (29.8°C), differing minimally from July's 86.9°F (30.5°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Saint Helens, Kentucky, with an average temperature fluctuating between 57.6°F (14.2°C) and 79.3°F (26.3°C). September ushers in a minor alteration in Saint Helens's climate, with the average high-temperature moving from August's moderately hot 85.6°F (29.8°C) 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 low of 47.3°F (8.5°C) and an average high of 66.6°F (19.2°C). The onset of October introduces a moderate change in Saint Helens's weather, with average high-temperatures falling from September's moderately hot 79.3°F (26.3°C) to a comfortable 66.6°F (19.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Saint Helens, Kentucky, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 37.6°F (3.1°C). Onset of November comes with a temperature decline, the average high falling from a refreshing 66.6°F (19.2°C) in October to a fresh 54.1°F (12.3°C). Weather in November »Weather in December
December, the first month of the winter in Saint Helens, is also a frosty month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 32.9°F (0.5°C). The arrival of December signals a shift in temperature, down from a fresh 54.1°F (12.3°C) in November to a frosty 45.1°F (7.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Saint Helens, KY
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
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).
Average wind speed
Saint Helens, KY
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7mph - Average wind speed in April:
7mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.7mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6.6mph
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).
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%).
Average rainfall
Saint Helens, KY
- Average rainfall in January:
2.48" - Average rainfall in February:
3.46" - Average rainfall in March:
2.83" - Average rainfall in April:
3.03" - Average rainfall in May:
3.46" - Average rainfall in June:
2.87"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.13" - Average rainfall in September:
2.05" - Average rainfall in October:
2.44" - Average rainfall in November:
2.24" - Average rainfall in December:
3.07"
The wettest months (with the highest rainfall) are February and May (3.46").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
Saint Helens, KY
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
15.2 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
12.2 days
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).
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").
Average snowfall days
Saint Helens, KY
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
8.5 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.5 days
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).
Average daylight / Average sunshine
Saint Helens, KY
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
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).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 24min
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).
Average sunshine days
Saint Helens, KY
- Average sunshine days in January:
12.6 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (10.3 days).
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).
Average cloud cover
Saint Helens, KY
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
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).





