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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 Thornhill, Kentucky, with an average temperature fluctuating between 25.9°F (-3.4°C) and 38.8°F (3.8°C). In Thornhill, the lowest average temperatures are observed in January, with a high of 38.8°F (3.8°C) and a low of 25.9°F (-3.4°C). Weather in January »
Weather in February
February, the last month of the winter in Thornhill, is a frosty month, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 43.3°F (6.3°C). Thornhill's February average high-temperature settles at a chilly 43.3°F (6.3°C), showing a near match with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Thornhill, is a fresh month, with an average temperature fluctuating between 54°F (12.2°C) and 37.6°F (3.1°C). With the onset of March, Thornhill's average high-temperature sees a rise, moving from February's chilly 43.3°F (6.3°C) to a cool 54°F (12.2°C). Weather in March »
Weather in April
April in Thornhill, Kentucky, is an enjoyable spring month, with an average temperature ranging between max 66°F (18.9°C) and min 46.9°F (8.3°C). April brings a temperature change, with average high-temperatures moving from March's fresh 54°F (12.2°C) to a refreshing 66°F (18.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Thornhill, Kentucky, with an average temperature varying between 75.6°F (24.2°C) and 56.8°F (13.8°C). As May arrives, Thornhill's weather shows an increase in high-temperatures, moving from April's comfortable 66°F (18.9°C) to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Thornhill, Kentucky, with an average temperature fluctuating between 83.8°F (28.8°C) and 64°F (17.8°C). June brings a slight rise in Thornhill's average high-temperature, moving from 75.6°F (24.2°C) in May to a still warm 83.8°F (28.8°C). Weather in June »
Weather in July
July is a tropical summer month in Thornhill, Kentucky, with an average temperature ranging between max 86.5°F (30.3°C) and min 67.1°F (19.5°C). In Thornhill, the peak average temperatures are observed in July, with a high of 86.5°F (30.3°C) and a low of 67.1°F (19.5°C). The average heat index in July is estimated at a fiery hot 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Thornhill, is another warm month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 65.5°F (18.6°C). As Thornhill steps into August, the average high-temperature is measured at a warm 85.6°F (29.8°C), displaying minor differences from July's 86.5°F (30.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Thornhill, is still a warm month, with an average temperature varying between 59.9°F (15.5°C) and 79.3°F (26.3°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 85.6°F (29.8°C) to a still moderately hot 79.3°F (26.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Thornhill, Kentucky, with an average temperature ranging between min 48.4°F (9.1°C) and max 66.7°F (19.3°C). Thornhill's average high-temperature decreases in October, falling from a warm 79.3°F (26.3°C) in September to a comfortable 66.7°F (19.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Thornhill, Kentucky, with temperature in the range of an average high of 53.1°F (11.7°C) and an average low of 37.8°F (3.2°C). November involves a decrease in temperature, down from a comfortable 66.7°F (19.3°C) in October to a cool 53.1°F (11.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Thornhill, Kentucky, with an average temperature fluctuating between 31.8°F (-0.1°C) and 44.1°F (6.7°C). The onset of December is marked by a minor decrease in temperature, transitioning from a fresh 53.1°F (11.7°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
Updated: Jul 22, 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 month is the coldest?
With its average high temperature of 38.8°F (3.8°C) and a low of 25.9°F (-3.4°C), January is regarded as the coldest month.
How much does it rain?
Throughout the year, there are 168.9 rainfall days, and 34.09" (866mm) of precipitation is accumulated.
When does it snow in Thornhill?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, in Thornhill, there are 28.3 snowfall days, and 7.72" (196mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.3h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Thornhill.
What are the most humid months?
The months with the highest humidity are February and December, with an average relative humidity of 80%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 7.6 days and accumulates 2.05" (52mm) of snow.
When is Daylight Saving Time (DST)?
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.
What is the rainiest month?
April is the month with the most rainfall. Rain falls for 16.3 days and accumulates 3.98" (101mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year in Thornhill, with an average of 14h and 48min of daylight.
What are the months with the most sunshine?
June and July, with an average of 10.3h of sunshine, are months with the most sunshine.
What time of the year is the hottest?
With average high and low temperatures of 86.5°F (30.3°C) and 67.1°F (19.5°C) respectively, July is Thornhill's warmest month.
What is the least humid month?
With an average relative humidity of 73%, August is the least humid month.
What is the driest month?
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.85" (47mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Thornhill, KY
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Thornhill, 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:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Thornhill, KY
- Average wind speed in January:
8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Thornhill, KY
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (73%).
Average rainfall
Thornhill, KY
- Average rainfall in January:
2.28" - Average rainfall in February:
3.23" - Average rainfall in March:
3.15" - Average rainfall in April:
3.98" - Average rainfall in May:
3.39" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
Thornhill, KY
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
12 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (10.6 days).
Average snowfall
Thornhill, KY
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Thornhill, KY
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.6 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:
0.1 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Thornhill, 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 4min
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 36min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Thornhill, KY
- Average sunshine days in January:
13.7 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
11.9 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
13.9 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (10.2 days).
Average UV index
Thornhill, 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
Thornhill, KY
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Thornhill, KY
The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).
Thornhill, Kentucky, USA
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