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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's fresh 53.1°F (11.7°C) to a frosty 44.1°F (6.7°C). The average low-temperature of 31.8°F (-0.1°C) is witnessed during December.Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Spring Valley.Rainfall
In Spring Valley, during December, the rain falls for 13 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 168.9 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Spring Valley. In Spring Valley, in December, during 5.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, in Spring Valley, there are 28.3 snowfall days, and 7.72" (196mm) 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 the month, sunrise is at 7:41 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Spring Valley. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Spring Valley?
What is the most humid month in Spring Valley?
What is the average humidity in December in Spring Valley?
How much does it rain in Spring Valley in December?
How much does it snow in Spring Valley in December?
What is the month with the shortest days in Spring Valley?
What is the average length of the day in December in Spring Valley?
When is the sunrise / sunset in December in Spring Valley?
How long on average sun shines in December in Spring Valley?
When is the lowest UV index in Spring Valley?
What is the UV index intensity in December in Spring Valley?
Average temperature in December
Spring Valley, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Spring Valley, KY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Spring Valley, KY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Spring Valley, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Spring Valley, KY
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Spring Valley, KY
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in December
Spring Valley, KY
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Spring Valley, KY
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spring Valley, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Spring Valley, KY
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Spring Valley, 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, November and December (UV index 2).
Average cloud cover in December
Spring Valley, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Spring Valley, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).
Spring Valley, Kentucky, USA
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