Climate and monthly weather forecastGrethel, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Grethel, Kentucky, is an icy winter month, with an average temperature varying between 27°F (-2.8°C) and 41.2°F (5.1°C). Grethel notes the coldest temperatures in January, with a high average of 41.2°F (5.1°C) and a low of 27°F (-2.8°C). Weather in January »Weather in February
February, the last month of the winter in Grethel, is a chilly month, with an average temperature varying between 30.6°F (-0.8°C) and 46.2°F (7.9°C). The commencement of February introduces an average high-temperature of a chilly 46.2°F (7.9°C), closely mirroring the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Grethel, Kentucky, with an average temperature ranging between max 54.9°F (12.7°C) and min 37.6°F (3.1°C). In March, the meteorological conditions subtly change with the average high-temperature edging from a chilly 46.2°F (7.9°C) in February to a fresh 54.9°F (12.7°C). Weather in March »Weather in April
April is a comfortable spring month in Grethel, Kentucky, with an average temperature fluctuating between 66.7°F (19.3°C) and 46°F (7.8°C). April's arrival sees a rise in the average high-temperature, jumping from March's fresh 54.9°F (12.7°C) to a refreshing 66.7°F (19.3°C). Weather in April »Weather in May
May, the last month of the spring in Grethel, is a moderately hot month, with an average temperature fluctuating between 54°F (12.2°C) and 76.5°F (24.7°C). May brings a rise in the average high-temperature, transitioning from April's refreshing 66.7°F (19.3°C) to a warm 76.5°F (24.7°C). Weather in May »Weather in June
June, the first month of the summer in Grethel, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 59.5°F (15.3°C). Grethel, Kentucky, in June denotes a subtle temperature transition, adjusting from an average high of a warm 76.5°F (24.7°C) in May to a still moderately hot 83.5°F (28.6°C). Weather in June »Weather in July
July is a tropical summer month in Grethel, Kentucky, with an average temperature fluctuating between 63.1°F (17.3°C) and 86.7°F (30.4°C). July, recognised by an average high temperature of 86.7°F (30.4°C) and a low of 63.1°F (17.3°C), is Grethel's warmest month. During July, the heat index is calculated to be a very hot 98.6°F (37°C). Weather in July »Weather in August
August, the last month of the summer in Grethel, is another warm month, with an average temperature ranging between min 61°F (16.1°C) and max 85.3°F (29.6°C). At the start of August, Grethel's average high-temperature reaches a moderately hot 85.3°F (29.6°C), subtly different from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Grethel, is still a warm month, with an average temperature ranging between min 56.8°F (13.8°C) and max 79.3°F (26.3°C). In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.3°F (26.3°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Grethel, Kentucky, with an average temperature fluctuating between 66.9°F (19.4°C) and 47.1°F (8.4°C). With the onset of October, Grethel's average high-temperature adjusts, receding from September's warm 79.3°F (26.3°C) to a comfortable 66.9°F (19.4°C). Weather in October »Weather in November
November, the last month of the autumn in Grethel, is another cool month, with an average temperature fluctuating between 37.8°F (3.2°C) and 54.5°F (12.5°C). The shift from October to November involves a decrease in the average high-temperature, from an enjoyable 66.9°F (19.4°C) to a fresh 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Grethel, Kentucky, with an average temperature fluctuating between 33.3°F (0.7°C) and 45.9°F (7.7°C). December's onset brings a negligible change in high-temperatures, falling from a fresh 54.5°F (12.5°C) in November to a frosty 45.9°F (7.7°C). Weather in December »Updated: Aug 31, 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
With its average high temperature of 41.2°F (5.1°C) and a low of 27°F (-2.8°C), January is regarded as the coldest month.
In Grethel, Kentucky, during the entire year, the rain falls for 181.3 days and collects up to 34.02" (864mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 11.4 days and typically aggregates up to 4.17" (106mm) of snow.
Throughout the year, in Grethel, there are 36.4 snowfall days, and 15.24" (387mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4.1h of sunshine.
The months with the lowest UV index in Grethel are January, February and December, with an average maximum UV index of 2.
The most humid month is February, with an average relative humidity of 80%.
The month with the most rainfall in Grethel is February, when the rain falls for 12.8 days and typically aggregates up to 3.62" (92mm) of precipitation.
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.
In Grethel, snow does not fall in May through September.
June has the longest days of the year, with an average of 14h and 42min of daylight.
The months with the highest UV index are June and August, with an average maximum UV index of 6.
July stands out as Grethel's warmest month, with temperatures ranging between an average high of 86.7°F (30.4°C) and a low of 63.1°F (17.3°C).
July, August and November, with an average relative humidity of 74%, are the least humid months in Grethel.
With an average of 10.3h of sunshine, August has the most sunshine of the year.
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Grethel, KY
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Grethel, 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:
29.98"Hg
- Average pressure in July:
30.01"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 (29.98"Hg).
Average wind speed
Grethel, KY
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.5mph - 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:
4.2mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Grethel, KY
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall
Grethel, KY
- Average rainfall in January:
2.76" - Average rainfall in February:
3.62" - Average rainfall in March:
2.99" - Average rainfall in April:
3.15" - Average rainfall in May:
3.58" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.13" - Average rainfall in September:
1.73" - Average rainfall in October:
2.76" - Average rainfall in November:
2.32" - Average rainfall in December:
3.35"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Grethel, KY
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.9 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
20.3 days - Average rainfall days in June:
18 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).
Average snowfall
Grethel, KY
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Grethel, KY
- Average snowfall days in January:
11.4 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
4.9 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:
6.8 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grethel, 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 6min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Grethel, KY
- Average sunshine days in January:
10.4 days - Average sunshine days in February:
9 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index
Grethel, KY
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Grethel, KY
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Grethel, 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).
