December weather forecastHarold, KY
December
Weather in December
December, the first month of the winter in Harold, is also a frosty month, with an average temperature varying between 33.3°F (0.7°C) and 45.9°F (7.7°C).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a cool 54.5°F (12.5°C) in November to a chilly 45.9°F (7.7°C). In Harold, the expected average low-temperature for December is a cold 33.3°F (0.7°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Harold, in December, it is raining for 13.2 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 181.3 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 6.8 days. Throughout December, 2.87" (73mm) of snow is accumulated. In Harold, during the entire year, snow falls for 36.4 days and aggregates up to 15.24" (387mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harold, KY
- Average high temperature in December: 45.9°F
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).
- Average low temperature in December: 33.3°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 in December
Harold, KY
- 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 in December
Harold, KY
- 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 in December
Harold, KY
- Average humidity in December: 79%
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 in December
Harold, KY
- 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 in December
Harold, KY
- 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 in December
Harold, KY
- Average snowfall in December: 2.87"
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 in December
Harold, KY
- 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 in December /
Average sunshine in December
Harold, KY
- 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 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 in December
Harold, KY
- 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 in December
Harold, KY
- Average UV index in December: 2
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 in December
Harold, KY
- Average cloud cover in December: 55
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 in December
Harold, KY
- Average visibility in December: 5mi
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).
