December weather forecastGeorgetown, DE
December
Weather in December
December in Georgetown solidifies the winter season, with average temperatures seeing a further fall from 55°F (12.8°C) high in November to 47.3°F (8.5°C). The decreased daylight hours are countered by bright sunny days, making the city gleam under winter's cold gaze. As per the weather pattern, an increase in the average wind speed contributes to an even colder climate. A unique attribute to the month is a moderately high snowfall of 0.91" (23mm), marking the season's peak. Despite the cold, the constant visibility of 6 miles ensures undeterred routines and festive preparations.Temperature
In Georgetown, the average high-temperature in December gently drops from a fresh 55°F (12.8°C) in November to a frosty 47.3°F (8.5°C). The average low-temperature of 37.4°F (3°C) is witnessed during December.Humidity
In Georgetown, the average relative humidity in December is 76%.Rainfall
In Georgetown, in December, during 10 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Georgetown, there are 151.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 1.9 days. Throughout December, 0.91" (23mm) of snow is accumulated. In Georgetown, during the entire year, snow falls for 10.9 days and aggregates up to 4.29" (109mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:40 pm. On the last day of December, in Georgetown, sunrise is at 7:19 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in Georgetown is 5.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Georgetown, DE
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Georgetown, DE
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Georgetown, DE
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is February (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Georgetown, DE
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Georgetown, DE
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in December
Georgetown, DE
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Georgetown, DE
- Average snowfall in December: 0.91"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Georgetown, DE
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Georgetown, DE
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Georgetown, DE
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Georgetown, DE
- 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 and December (UV index 2).
Average cloud cover in December
Georgetown, DE
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Georgetown, DE
- 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).
