Climate and monthly weather forecast
Harper, KY

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Weather in January

January, the same as December, is another cold winter month in Harper, Kentucky, with an average temperature ranging between min 26.8°F (-2.9°C) and max 40.1°F (4.5°C). In Harper, January is the month with the lowest recorded average temperatures, measuring a high of 40.1°F (4.5°C) and a low of 26.8°F (-2.9°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Harper, Kentucky, with an average temperature ranging between min 30.4°F (-0.9°C) and max 45.1°F (7.3°C). Harper marks the start of February with an average high-temperature of a chilly 45.1°F (7.3°C), hinting at a slight fluctuation from January's 40.1°F (4.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Harper, Kentucky, with an average temperature fluctuating between 54.1°F (12.3°C) and 37.4°F (3°C). Harper experiences a temperature shift with the start of March, with average high-temperatures moving from a chilly 45.1°F (7.3°C) in February to a fresh 54.1°F (12.3°C). Weather in March »

Weather in April

April in Harper, Kentucky, is an enjoyable spring month, with an average temperature varying between 46.4°F (8°C) and 66.2°F (19°C). The average high-temperature increases in April, moving from a cool 54.1°F (12.3°C) in March to a refreshing 66.2°F (19°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Harper, Kentucky, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 54.7°F (12.6°C). Harper's May weather brings a rise in high-temperatures, moving from a refreshing 66.2°F (19°C) in April to a moderately hot 76.3°F (24.6°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Harper, Kentucky, with an average temperature varying between 61.2°F (16.2°C) and 83.5°F (28.6°C). With the onset of June, Harper's weather sees a minor temperature rise, transitioning from a moderately hot 76.3°F (24.6°C) in May to a still warm 83.5°F (28.6°C). Weather in June »

Weather in July

July is a hot summer month in Harper, Kentucky, with an average temperature varying between 64°F (17.8°C) and 86.9°F (30.5°C). With average high and low temperatures of 86.9°F (30.5°C) and 64°F (17.8°C) respectively, July is Harper's warmest month. The heat index value for July is calculated to be a fiery hot 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Harper, Kentucky, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 85.6°F (29.8°C). Harper, Kentucky, marks the arrival of August with an average high-temperature of a warm 85.6°F (29.8°C), hardly different from July's 86.9°F (30.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Harper, Kentucky, with an average temperature fluctuating between 79.5°F (26.4°C) and 57.7°F (14.3°C). September ushers in a minute temperature change, with average high-temperatures reducing from August's 85.6°F (29.8°C) to a still warm 79.5°F (26.4°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Harper, Kentucky, with an average temperature fluctuating between 66.7°F (19.3°C) and 47.5°F (8.6°C). The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 79.5°F (26.4°C) in September to an enjoyable 66.7°F (19.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Harper, Kentucky, with an average temperature fluctuating between 53.8°F (12.1°C) and 37.9°F (3.3°C). November's arrival corresponds with a decrease in average high-temperatures, from October's comfortable 66.7°F (19.3°C) to a fresh 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Harper, Kentucky, with an average temperature varying between 33.1°F (0.6°C) and 45.1°F (7.3°C). The move into December indicates a slight reduction in the average high-temperature, down from November's fresh 53.8°F (12.1°C) to a chilly 45.1°F (7.3°C). Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Harper's coldest weather arrives in January, when temperatures average a high of 40.1°F (4.5°C) and a low of 26.8°F (-2.9°C).

How much does it rain?

In Harper, during the entire year, the rain falls for 178.7 days and collects up to 34.8" (884mm) of precipitation.

When does it snow?

Months with snowfall are January through April, October through December.

How much does it snow?

In Harper, during the entire year, snow falls for 37.5 days and aggregates up to 15.43" (392mm) of snow.

What is the month with the least sunshine?

With an average of 4h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

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 rainiest month?

February is the month with the most rainfall. Rain falls for 12.5 days and accumulates 3.7" (94mm) of precipitation.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 9.3 days and typically aggregates up to 4.25" (108mm) 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.

When it does not snow in Harper?

May through September are months without snowfall.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When are the longest days in Harper?

The month with the longest days in Harper is June, with an average of 14h and 42min of daylight.

What is the warmest month?

July, having an average high-temperature of 86.9°F (30.5°C) and an average low-temperature of 64°F (17.8°C), is the warmest month.

What are the least humid months in Harper?

August and November, with an average relative humidity of 74%, are the least humid months.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.2h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.01" (51mm) 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
Harper, KY

Average temperature - Harper, KY

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure
Harper, KY

Average pressure - Harper, KY

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
Harper, KY

Average wind speed - Harper, KY

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity
Harper, KY

Average humidity - Harper, KY

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and November (74%).

Average rainfall
Harper, KY

Average rainfall - Harper, KY

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days
Harper, KY

Average rainfall days - Harper, KY

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).

Average snowfall
Harper, KY

Average snowfall - Harper, KY

The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Harper, KY

Average snowfall days - Harper, KY

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Harper, KY

Average daylight / Average sunshine - Harper, KY

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).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Harper, KY

Average sunshine days - Harper, KY

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).

Average UV index
Harper, KY

Average UV index - Harper, 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 visibility
Harper, KY

Average visibility - Harper, KY

The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).

Harper, Kentucky, USA

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