Climate and monthly weather forecastDefiance, KY
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Defiance, Kentucky, with an average temperature varying between 27°F (-2.8°C) and 40.6°F (4.8°C). With its high average temperature of 40.6°F (4.8°C) and a low of 27°F (-2.8°C), January is regarded as the coldest month. Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Defiance, Kentucky, with an average temperature fluctuating between 30.4°F (-0.9°C) and 45.1°F (7.3°C). Defiance's weather in February indicates an average high-temperature of a chilly 45.1°F (7.3°C), nearly consistent with the 40.6°F (4.8°C) of January. Weather in February »Weather in March
March, the first month of the spring in Defiance, is a cool month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 54.3°F (12.4°C). Defiance in March shows a temperature shift, moving from an average high of a chilly 45.1°F (7.3°C) in February to a fresh 54.3°F (12.4°C). Weather in March »Weather in April
April in Defiance, Kentucky, is a refreshing spring month, with an average temperature ranging between max 65.8°F (18.8°C) and min 45.9°F (7.7°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a fresh 54.3°F (12.4°C) in March to a refreshing 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 Defiance, Kentucky, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 75°F (23.9°C). The start of May signals an increase in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) in April to a warm 75°F (23.9°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Defiance, Kentucky, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 82.4°F (28°C). June signifies a subtle uplift in the average high-temperature, adjusting 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, like June, in Defiance, Kentucky, is another warm summer month, with an average temperature fluctuating between 63°F (17.2°C) and 85.3°F (29.6°C). July, recording an average high temperature of 85.3°F (29.6°C) and a low temperature of 63°F (17.2°C), is Defiance's warmest month. The heat index value during July is evaluated at a fiery hot 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Defiance, is another warm month, with an average temperature ranging between max 84.2°F (29°C) and min 61°F (16.1°C). As July turns into August, the average high-temperatures rest at a still warm 84.2°F (29°C), showing a minor variation from the prior month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Defiance, Kentucky, with an average temperature ranging between max 78.3°F (25.7°C) and min 56.3°F (13.5°C). Defiance's September weather features a light decline in high-temperatures, reducing from 84.2°F (29°C) in August to a still warm 78.3°F (25.7°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Defiance, Kentucky, with an average temperature fluctuating between 46.9°F (8.3°C) and 66.4°F (19.1°C). As Defiance, Kentucky, enters October, the average high-temperature decreases from the a moderately hot 78.3°F (25.7°C) of September to a comfortable 66.4°F (19.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Defiance, Kentucky, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 37.2°F (2.9°C). The start of November involves a temperature drop, moving 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
The first month of the winter, December, is still a chilly month in Defiance, Kentucky, with an average temperature fluctuating between 45.1°F (7.3°C) and 33.1°F (0.6°C). The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 45.1°F (7.3°C) from November's fresh 54°F (12.2°C). Weather in December »Updated: Aug 14, 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, with an average high of 40.6°F (4.8°C) and a low of 27°F (-2.8°C), signifies the coldest month of the year.
In Defiance, during the entire year, the rain falls for 168.8 days and collects up to 24.84" (631mm) of precipitation.
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.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and December, with an average relative humidity of 80%, are most humid months.
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 Defiance.
The months with the highest UV index are May, June and August, with an average maximum UV index of 6.
June has the longest days of the year in Defiance, with an average of 14h and 42min of daylight.
June through August, with an average of 10.1h of sunshine, are months with the most sunshine.
The warmest period is July, when temperatures fluctuate between an average high of 85.3°F (29.6°C) and a low of 63°F (17.2°C).
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%.
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Average temperature
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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
Defiance, 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).
