Climate and monthly weather forecastJeffrey, KY
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Jeffrey, Kentucky, with an average temperature varying between 42.1°F (5.6°C) and 28.8°F (-1.8°C). In Jeffrey, the month of January is known for its lowest average temperatures, reaching a high of 42.1°F (5.6°C) and a low of 28.8°F (-1.8°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Jeffrey, Kentucky, with an average temperature varying between 47.7°F (8.7°C) and 32.5°F (0.3°C). The arrival of February signals a slight increase in the average high-temperature, moving from an icy 42.1°F (5.6°C) in January to a frosty 47.7°F (8.7°C). Weather in February »Weather in March
The first month of the spring, March, is a moderate month in Jeffrey, Kentucky, with an average temperature fluctuating between 56.8°F (13.8°C) and 39.7°F (4.3°C). Observing a rise in March, the average high-temperature goes from February's chilly 47.7°F (8.7°C) to a moderate 56.8°F (13.8°C). Weather in March »Weather in April
April is an enjoyable spring month in Jeffrey, Kentucky, with an average temperature ranging between max 67.6°F (19.8°C) and min 48.4°F (9.1°C). As April arrives, Jeffrey's weather shows an increase in high-temperatures, moving from March's mild 56.8°F (13.8°C) to an enjoyable 67.6°F (19.8°C). Weather in April »Weather in May
May, the last month of the spring in Jeffrey, is a warm month, with an average temperature ranging between min 56.8°F (13.8°C) and max 76.5°F (24.7°C). Jeffrey observes a slight ascent in average high-temperatures during May, adjusting from an enjoyable 67.6°F (19.8°C) in April to a warm 76.5°F (24.7°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Jeffrey, Kentucky, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 63.9°F (17.7°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from a warm 76.5°F (24.7°C) in May to a still moderately hot 84.6°F (29.2°C). Weather in June »Weather in July
July is a hot summer month in Jeffrey, Kentucky, with an average temperature varying between 66.9°F (19.4°C) and 86.5°F (30.3°C). Jeffrey's warmest month, July, registers temperatures that range from a high of 86.5°F (30.3°C) to a low of 66.9°F (19.4°C). July's average heat index is appraised at a very hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Jeffrey, Kentucky, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 65.5°F (18.6°C). The commencement of August introduces an average high-temperature of a moderately hot 85.5°F (29.7°C), closely mirroring the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Jeffrey, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 60.3°F (15.7°C). September ushers in a minor alteration in Jeffrey's climate, with the average high-temperature moving from August's warm 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Jeffrey, Kentucky, with an average temperature varying between 48.7°F (9.3°C) and 68.4°F (20.2°C). Jeffrey in October undergoes a mild reduction in the average high-temperature, shifting from September's warm 79.7°F (26.5°C) to a pleasant 68.4°F (20.2°C). Weather in October »Weather in November
November, the last month of the autumn in Jeffrey, is also a moderate month, with an average temperature fluctuating between 55.8°F (13.2°C) and 39.2°F (4°C). November shows a mild decline in the average high-temperature, falling from October's agreeable 68.4°F (20.2°C) to a mild 55.8°F (13.2°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Jeffrey, Kentucky, with an average temperature ranging between min 34.7°F (1.5°C) and max 47.3°F (8.5°C). The onset of December entails a subtle temperature shift, as the average high-temperature eases from a refreshing 55.8°F (13.2°C) in November to a frosty 47.3°F (8.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jeffrey, 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 (42.1°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Jeffrey, 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:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Jeffrey, KY
- Average wind speed in January:
7.7mph - Average wind speed in February:
8mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
6mph - Average wind speed in November:
6.5mph - Average wind speed in December:
7.1mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity
Jeffrey, KY
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall
Jeffrey, KY
- Average rainfall in January:
3.15" - Average rainfall in February:
4.25" - Average rainfall in March:
3.54" - Average rainfall in April:
3.78" - Average rainfall in May:
3.7" - Average rainfall in June:
3.7"
- Average rainfall in July:
4.25" - Average rainfall in August:
3.74" - Average rainfall in September:
2.4" - Average rainfall in October:
2.99" - Average rainfall in November:
2.76" - Average rainfall in December:
3.58"
The wettest months (with the highest rainfall) are February and July (4.25").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days
Jeffrey, KY
- Average rainfall days in January:
12.5 days - Average rainfall days in February:
12.9 days - Average rainfall days in March:
16 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
18.5 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
11.2 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.2 days).
Average snowfall
Jeffrey, KY
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Jeffrey, KY
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.4 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Jeffrey, KY
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- 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 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 36min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 18min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 30min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Jeffrey, KY
- Average sunshine days in January:
13.1 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
16.6 days - Average sunshine days in November:
16.7 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Jeffrey, 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
Jeffrey, KY
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility
Jeffrey, KY
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).





