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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 an icy winter month in Index, Kentucky, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 26.1°F (-3.3°C). In Index, the month of January registers the lowest temperatures, averaging 39.7°F (4.3°C) at the peak and 26.1°F (-3.3°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Index, Kentucky, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.5°F (-1.4°C). February brings an average high-temperature of a chilly 44.2°F (6.8°C), nearly identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Index, is a cool month, with an average temperature varying between 37°F (2.8°C) and 53.8°F (12.1°C). Index's transition into March brings a rise in the average high-temperature, moving from a chilly 44.2°F (6.8°C) in February to a cool 53.8°F (12.1°C). Weather in March »
Weather in April
April is a refreshing spring month in Index, Kentucky, with an average temperature varying between 46°F (7.8°C) and 65.8°F (18.8°C). As April begins, there is an increase in the average high-temperature, moving from a fresh 53.8°F (12.1°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Index, Kentucky, with an average temperature ranging between max 75.7°F (24.3°C) and min 55°F (12.8°C). As Index transitions into May, the average high-temperature is observed to rise from an enjoyable 65.8°F (18.8°C) in April to a warm 75.7°F (24.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Index, Kentucky, with an average temperature varying between 61.3°F (16.3°C) and 83.7°F (28.7°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a moderately hot 75.7°F (24.3°C) in May to a still warm 83.7°F (28.7°C). Weather in June »
Weather in July
July is a tropical summer month in Index, Kentucky, with an average temperature varying between 86.9°F (30.5°C) and 64.4°F (18°C). Index's July weather, marked by an average high temperature of 86.9°F (30.5°C) and an average low temperature of 64.4°F (18°C), is the warmest in the year. In July, the heat index is computed to be a sweltering 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Index, Kentucky, with an average temperature fluctuating between 62.8°F (17.1°C) and 85.5°F (29.7°C). Index's average high-temperature marks a moderately hot 85.5°F (29.7°C) with the advent of August, closely mirroring that of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Index, is still a warm month, with an average temperature ranging between max 79°F (26.1°C) and min 57.7°F (14.3°C). The average high-temperature slightly decreases in September, shifting from a moderately hot 85.5°F (29.7°C) in August to a still warm 79°F (26.1°C). Weather in September »
Weather in October
October, like September, in Index, Kentucky, is another comfortable autumn month, with an average temperature ranging between max 66°F (18.9°C) and min 47.5°F (8.6°C). October comes with a decrease in the average high-temperature, falling from a warm 79°F (26.1°C) in September to an enjoyable 66°F (18.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Index, is also a fresh month, with an average temperature ranging between min 37.4°F (3°C) and max 52.9°F (11.6°C). The transition into November indicates a reduction in the average high-temperature, down to a fresh 52.9°F (11.6°C) from October's comfortable 66°F (18.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Index, Kentucky, with an average temperature fluctuating between 44.6°F (7°C) and 32.7°F (0.4°C). In December, the meteorological conditions change slightly, with the average high-temperature moving from a cool 52.9°F (11.6°C) in November to a frosty 44.6°F (7°C). Weather in December »
Updated: Jul 2, 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 is the coldest month in Index?
The lowest temperatures are recorded in January, with averages reaching a high of 39.7°F (4.3°C) and a low of 26.1°F (-3.3°C).
How many days does it rain?
In Index, during the entire year, the rain falls for 162.2 days and collects up to 29.45" (748mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 36.4 snowfall days, and 12.48" (317mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.8h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 81%.
What is the rainiest month?
The month with the most rainfall is February, when the rain falls for 10.7 days and typically aggregates up to 2.99" (76mm) of precipitation.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 3.23" (82mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Index, 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?
May through September are months without snowfall.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Index.
What are the least humid months?
June, August and November, with an average relative humidity of 75%, are the least humid months.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What month is the hottest?
With average temperatures fluctuating between a high of 86.9°F (30.5°C) and a low of 64.4°F (18°C), July stands out as the warmest month.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10h of sunshine.
What is the driest month in Index?
The months with the least rainfall are September and November Rain falls for 12.8 days and accumulates 1.89" (48mm) of rain.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Index, 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 (39.7°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure
Index, KY
- Average pressure in January:
30.16"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:
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:
30.05"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
Index, KY
- Average wind speed in January:
7.4mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.1mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Index, KY
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are June, August and November (75%).
Average rainfall
Index, KY
- Average rainfall in January:
2.09" - Average rainfall in February:
2.99" - Average rainfall in March:
2.48" - Average rainfall in April:
2.8" - Average rainfall in May:
2.8" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.2" - Average rainfall in September:
1.89" - Average rainfall in October:
2.13" - Average rainfall in November:
1.89" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is February (2.99").
The driest months (with the least rainfall) are September and November (1.89").
Average rainfall days
Index, KY
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
14 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall
Index, KY
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Index, KY
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
5.3 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:
0.5 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.3 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Index, 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 1min - Average daylight in June:
14h and 4min
- 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 4min
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:
3h and 5min - Average sunshine in February:
4h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 2min - 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Index, KY
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index
Index, 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
Index, KY
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Index, KY
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Index, Kentucky, USA
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