Climate and monthly weather forecastJeff, KY
Climate and monthly weather forecast
Weather in January
January, like December, in Jeff, Kentucky, is an icy winter month, with an average temperature fluctuating between 40.6°F (4.8°C) and 27°F (-2.8°C). The lowest temperatures are recorded in January, with averages reaching a high of 40.6°F (4.8°C) and a low of 27°F (-2.8°C). Weather in January »Weather in February
February, the last month of the winter in Jeff, is a frosty month, with an average temperature ranging between max 45.1°F (7.3°C) and min 30.4°F (-0.9°C). February notes an average high-temperature of a frosty 45.1°F (7.3°C), subtly differing from January's 40.6°F (4.8°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Jeff, Kentucky, with an average temperature fluctuating between 54.3°F (12.4°C) and 37.4°F (3°C). In Jeff, stepping into March brings a temperature increase, moving up from February's chilly 45.1°F (7.3°C) to a cool 54.3°F (12.4°C). Weather in March »Weather in April
April is an enjoyable spring month in Jeff, Kentucky, with an average temperature fluctuating between 45.9°F (7.7°C) and 65.8°F (18.8°C). April signals a shift in the average high-temperature, moving from March's fresh 54.3°F (12.4°C) to an enjoyable 65.8°F (18.8°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Jeff, Kentucky, with an average temperature varying between 75°F (23.9°C) and 53.8°F (12.1°C). May brings a rise in the average high-temperature, transitioning from April's comfortable 65.8°F (18.8°C) to a moderately hot 75°F (23.9°C). Weather in May »Weather in June
June, the first month of the summer in Jeff, is also a moderately hot month, with an average temperature varying between 59.5°F (15.3°C) and 82.4°F (28°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from 75°F (23.9°C) in May to a still moderately hot 82.4°F (28°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Jeff, Kentucky, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 63°F (17.2°C). Jeff's temperature records reveal July as the warmest month, marked by average highs of 85.3°F (29.6°C) and lows of 63°F (17.2°C). July's average heat index is evaluated at a sweltering 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Jeff, is another warm month, with an average temperature varying between 61°F (16.1°C) and 84.2°F (29°C). With the advent of August, Jeff experiences an average high-temperature of a still moderately hot 84.2°F (29°C), mirroring a close resemblance to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Jeff, Kentucky, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 56.3°F (13.5°C). With the commencement of September, Jeff records a moderate temperature decline, with the average high easing from August's moderately hot 84.2°F (29°C) to a still warm 78.3°F (25.7°C). Weather in September »Weather in October
October, like September, in Jeff, Kentucky, is another enjoyable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 66.4°F (19.1°C). The onset of October coincides with a reduction in the average high-temperature, falling from a warm 78.3°F (25.7°C) in September to a comfortable 66.4°F (19.1°C). Weather in October »Weather in November
November, the last month of the autumn in Jeff, is another cool month, with an average temperature ranging between min 37.2°F (2.9°C) and max 54°F (12.2°C). The shift to November brings a decrease in the average high-temperature, falling from an enjoyable 66.4°F (19.1°C) in October to a fresh 54°F (12.2°C). Weather in November »Weather in December
December, the first month of the winter in Jeff, is also a frosty month, with an average temperature ranging between min 33.1°F (0.6°C) and max 45.1°F (7.3°C). December is characterized by a slight reduction in average high-temperature, easing from a fresh 54°F (12.2°C) in November to a chilly 45.1°F (7.3°C). Weather in December »Updated: Jul 26, 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
January is the coldest month, exhibiting average temperatures of 40.6°F (4.8°C) at the peak and 27°F (-2.8°C) at the base.
Throughout the year, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
Throughout the year, there are 33.3 snowfall days, and 11.34" (288mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4.3h of sunshine.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
The months with the highest humidity are February and December, with an average relative humidity of 80%.
February is the month with the most rainfall. Rain falls for 11 days and accumulates 2.76" (70mm) of precipitation.
The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 3.15" (80mm) 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.
May through September are months without snowfall in Jeff.
May, June and August, with an average maximum UV index of 6, are months with the highest UV index.
June has the longest days of the year, with an average of 14h and 42min of daylight.
The months with the most sunshine are June through August, with an average of 10.1h of sunshine.
With average high temperatures of 85.3°F (29.6°C) and lows of 63°F (17.2°C), July is the warmest month.
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.46" (37mm) of precipitation.
The least humid month is November, with an average relative humidity of 75%.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Average temperature
Jeff, KY
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Jeff, 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:
29.98"Hg
- Average pressure in July:
30.01"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 (29.98"Hg).
Average wind speed
Jeff, KY
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Jeff, KY
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall
Jeff, KY
- Average rainfall in January:
1.89" - Average rainfall in February:
2.76" - Average rainfall in March:
1.81" - Average rainfall in April:
2.09" - Average rainfall in May:
2.44" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.4" - Average rainfall in August:
1.89" - Average rainfall in September:
1.46" - Average rainfall in October:
2.01" - Average rainfall in November:
1.61" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days
Jeff, KY
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18.6 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
13.4 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).
Average snowfall
Jeff, KY
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jeff, KY
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.7 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:
0.5 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jeff, 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 18min - Average sunshine in March:
6h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Jeff, KY
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
12 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
14 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index
Jeff, KY
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Jeff, KY
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Jeff, KY
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
