Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 54.5°F (12.5°C) in November to a frosty 45.5°F (7.5°C). Throughout December, the average low-temperature dips to a wintry 33.1°F (0.6°C).Humidity
In Blue River, Kentucky, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.23" (82mm) of precipitation is accumulated. In Blue River, during the entire year, the rain falls for 181.8 days and collects up to 33.43" (849mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Blue River, in December, during 6.7 snowfall days, 3.23" (82mm) of snow is typically accumulated. Throughout the year, there are 35.7 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Blue River, sunrise is at 7:28 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:23 pm EST.
Sunshine
In Blue River, the average sunshine in December is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Blue River. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the usual temperature for Blue River in December?
What is the average humidity in December in Blue River?
How many days does it rain in December in Blue River?
How much does it snow in Blue River in December?
What is the month with the shortest days in Blue River?
How many hours of daylight does Blue River have in December?
When is the sunrise / sunset in December in Blue River?
How many hours of sunshine does Blue River have in December?
When is the lowest UV index in Blue River?
What is the UV index reading in December in Blue River?
Average temperature in December
Blue River, KY
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Blue River, 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
Blue River, KY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Blue River, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in December
Blue River, KY
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Blue River, KY
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Blue River, KY
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blue River, KY
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blue River, KY
- Average daylight in December: 9h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Blue River, KY
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Blue River, KY
- Average UV index in December: 2
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 in December
Blue River, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Blue River, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Blue River, Kentucky, USA
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