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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a fresh 52.7°F (11.5°C) in November to a chilly 45°F (7.2°C). During December, Delphia sees a mean low-temperature of 32.4°F (0.2°C).Humidity
In Delphia, Kentucky, the average relative humidity in December is 81%.Rainfall
In Delphia, in December, during 12.8 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Delphia, during the entire year, the rain falls for 197.2 days and collects up to 44.92" (1141mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Delphia, Kentucky. In Delphia, in December, snow falls for 8.5 days, with typically accumulated 5.59" (142mm) of snow. In Delphia, during the entire year, snow falls for 43 days and aggregates up to 23.98" (609mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine 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 Delphia. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are the temperatures in Delphia in December?
What is the average humidity in December in Delphia?
How many days does it rain in December in Delphia?
How much does it snow in Delphia in December?
What is the month with the shortest days in Delphia?
What is the average length of the day in December in Delphia?
What time are sunrise and sunset in December in Delphia?
How long on average sun shines in December in Delphia?
What is the month with the lowest UV index in Delphia?
How high is the UV index in December in Delphia?
Average temperature in December
Delphia, KY
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Delphia, 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 (29.99"Hg).
Average wind speed in December
Delphia, KY
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Delphia, KY
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (77%).
Average rainfall in December
Delphia, KY
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is July (4.65").
The driest months (with the least rainfall) are September and November (2.87").
Average rainfall days in December
Delphia, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in December
Delphia, KY
- Average snowfall in December: 5.59"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Delphia, KY
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Delphia, 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 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Delphia, KY
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in December
Delphia, KY
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Delphia, KY
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Delphia, KY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Delphia, Kentucky, USA
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