Climate and monthly weather forecastIsom, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Isom, Kentucky, is an icy winter month, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 39.9°F (4.4°C). January is the month when Isom sees the lowest average temperatures, with a high of 39.9°F (4.4°C) and a low of 26.1°F (-3.3°C). Weather in January »Weather in February
February, the last month of the winter in Isom, is a chilly month, with an average temperature varying between 44.6°F (7°C) and 29.7°F (-1.3°C). Entering February, Isom's average high-temperature reads a chilly 44.6°F (7°C), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Isom, Kentucky, with an average temperature varying between 36.1°F (2.3°C) and 53.2°F (11.8°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a frosty 44.6°F (7°C) to a fresh 53.2°F (11.8°C). Weather in March »Weather in April
April is a comfortable spring month in Isom, Kentucky, with an average temperature fluctuating between 45°F (7.2°C) and 64.9°F (18.3°C). The transition to April introduces an increase in the average high-temperature, shifting from a cool 53.2°F (11.8°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 warm month in Isom, Kentucky, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 53.1°F (11.7°C). With the onset of May, Isom experiences a temperature shift, with the average high-temperature moving from a refreshing 64.9°F (18.3°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in Isom, is still a warm month, with an average temperature ranging between min 58.5°F (14.7°C) and max 81.1°F (27.3°C). June brings a slight elevation in the average high-temperature, transitioning from May's moderately hot 73.9°F (23.3°C) to a still warm 81.1°F (27.3°C). Weather in June »Weather in July
July, like June, in Isom, Kentucky, is another warm summer month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 61.7°F (16.5°C). Isom notes the warmest temperatures in July, with a high average of 83.7°F (28.7°C) and a low of 61.7°F (16.5°C). The heat index in July is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Isom, Kentucky, with an average temperature varying between 82.8°F (28.2°C) and 59.7°F (15.4°C). The transition into August is marked with an average high-temperature of a still warm 82.8°F (28.2°C), showing an insignificant shift from July's 83.7°F (28.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Isom, Kentucky, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 54.9°F (12.7°C). In Isom, the average high-temperature in September slightly decreases from a warm 82.8°F (28.2°C) in August to a still moderately hot 77.4°F (25.2°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Isom, Kentucky, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 45.7°F (7.6°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 77.4°F (25.2°C) in September to a refreshing 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Isom, is another cool month, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 36.5°F (2.5°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 65.3°F (18.5°C) to a cool 53.2°F (11.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Isom, Kentucky, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 45°F (7.2°C). With the arrival of December, Isom notices a mild change in the average high-temperature, sliding from November's cool 53.2°F (11.8°C) to a chilly 45°F (7.2°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
Temperature readings in Isom reach their annual highs in January, averaging 39.9°F (4.4°C) and a minimum average of 26.1°F (-3.3°C).
In Isom, Kentucky, during the entire year, the rain falls for 169.1 days and collects up to 32.09" (815mm) of precipitation.
January through May, October through December are months with snowfall.
In Isom, Kentucky, during the entire year, snow falls for 36.4 days and aggregates up to 22.36" (568mm) of snow.
January has the least sunshine of the year in Isom, with an average of 4.3h of sunshine.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the most humid month in Isom, with an average relative humidity of 81%.
February is the month with the most rainfall in Isom. Rain falls for 11.1 days and accumulates 3.7" (94mm) of precipitation.
February is the month with the most snowfall in Isom, Kentucky. Snow falls for 9.4 days and accumulates 5.59" (142mm) of snow.
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.
The months with the lowest humidity in Isom, Kentucky, are April and November, with an average relative humidity of 76%.
The months with the highest UV index in Isom are May through August, with an average maximum UV index of 6.
In Isom, snow does not fall in June through September.
June has the longest days of the year, with an average of 14h and 42min of daylight.
In Isom, July records the average highest temperatures, peaking at 83.7°F (28.7°C) and reaching a low of 61.7°F (16.5°C).
With an average of 10.1h of sunshine, August has the most sunshine of the year in Isom, Kentucky.
The month with the least rainfall is September, when the rain falls for 14 days and typically collects 1.65" (42mm) of precipitation.
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Average temperature
Isom, KY
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Isom, KY
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"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 (29.99"Hg).
Average wind speed
Isom, KY
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.5mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.1mph - Average wind speed in October:
5mph - Average wind speed in November:
5.3mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Isom, KY
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall
Isom, KY
- Average rainfall in January:
2.64" - Average rainfall in February:
3.7" - Average rainfall in March:
2.87" - Average rainfall in April:
2.99" - Average rainfall in May:
2.99" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.32" - Average rainfall in September:
1.65" - Average rainfall in October:
2.68" - Average rainfall in November:
2.17" - Average rainfall in December:
2.8"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days
Isom, KY
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
14 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Isom, KY
- Average snowfall in January:
4.92" - Average snowfall in February:
5.59" - Average snowfall in March:
3.82" - Average snowfall in April:
0.79" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Isom, KY
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0.7 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Isom, 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 24min - Average daylight in August:
13h and 30min - 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 42min
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 42min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 6min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Isom, KY
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
11.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
15.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Isom, 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
Isom, KY
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility
Isom, KY
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
