December weather forecastTownsend, DE
December
Weather in December
Wrapping up the year, December in Townsend exudes a winter vibe with colder temperatures, higher relative humidity, and increased cloud cover. The fall in temperature becomes more apparent due to the more frequent intrusion of cold air masses from the north. December is noteworthy for its slight increase in snowfall, arriving at 0.35" (9mm). Despite the cooling trend, the city's weather remains calm, with wind speed still relatively low compared to the windier months of the year. As Townsend enters the shortest day of the year, the city prepares for the fresh start of a new year.Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a fresh 53.8°F (12.1°C) in November to a chilly 45°F (7.2°C). Townsend witnesses a consistent average low-temperature of 34°F (1.1°C) throughout December.Humidity
The average relative humidity in December is 77%.Rainfall
In Townsend, in December, it is raining for 9 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 134.6 rainfall days, and 21.14" (537mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Townsend, in December, snow falls for 2.5 days, with typically accumulated 0.35" (9mm) of snow. In Townsend, during the entire year, snow falls for 14.2 days and aggregates up to 5.16" (131mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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
Townsend, DE
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Townsend, DE
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Townsend, DE
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Townsend, DE
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Townsend, DE
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Townsend, DE
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Townsend, DE
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Townsend, DE
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.5 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
Townsend, DE
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Townsend, DE
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Townsend, 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, February, November and December (UV index 2).
Average cloud cover in December
Townsend, DE
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Townsend, 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).





