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
The advent of December brings a slight shift in average high-temperature, moving from a moderate 55.9°F (13.3°C) in November to a chilly 47.3°F (8.5°C). Olmstead records an average nighttime low of 34.7°F (1.5°C) in December.Humidity
March, May and December, with an average relative humidity of 79%, are the most humid months in Olmstead, Kentucky.Rainfall
In Olmstead, in December, during 9.1 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Olmstead, during the entire year, the rain falls for 135.7 days and collects up to 14.96" (380mm) of precipitation.Snowfall
January through March and December are months with snowfall. The months with the most snowfall are January, March and December, with an average 0.2" (5mm) of accumulated snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:42 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:42 pm CST.
Sunshine
The average sunshine in December in Olmstead is 4.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Olmstead?
What are the most humid months in Olmstead?
What is the average humidity in December in Olmstead?
How many days does it rain in December in Olmstead?
What is the snowiest month in Olmstead?
When does it start snowing in Olmstead?
What is the month with the shortest days in Olmstead?
How many hours of daylight does Olmstead have in December?
What time are sunrise and sunset in December in Olmstead?
How long on average sun shines in December in Olmstead?
When is the lowest UV index in Olmstead?
How high is the UV index in December in Olmstead?
Average temperature in December
Olmstead, KY
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Olmstead, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Olmstead, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Olmstead, KY
- Average humidity in December: 79%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Olmstead, KY
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
Olmstead, KY
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Olmstead, KY
- Average snowfall in December: 0.2"
The months with the highest snowfall are January, March and December (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Olmstead, KY
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Olmstead, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Olmstead, KY
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Olmstead, 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
Olmstead, KY
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Olmstead, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Olmstead, Kentucky, USA
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