December weather forecastHockessin, DE
December
Weather in December
December, the final month of the year, brings the full vigor of winter to Hockessin, Delaware. The weather is characterized by the cold, with an average high temperature of 43°F (6.1°C). The city is often dressed in a winter wonderland vibe, with the first snowflakes falling and outdoor decorations celebrating the festive season. As the year comes to a close, residents brace for the coldest period, inspiring delight in some and a longing for the warmer days in others. The beautiful array of holiday decorations and the joyous spirit of the season make this winter month truly memorable.Temperature
Onset of December in Hockessin witnesses a reduction in the average high-temperature, falling from a fresh 52°F (11.1°C) in November to a chilly 43°F (6.1°C). Hockessin's average low-temperature during December nights is observed to be a freezing cold 31.8°F (-0.1°C).Humidity
The average relative humidity in December in Hockessin is 78%.Rainfall
In Hockessin, during December, the rain falls for 9.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Hockessin, during the entire year, the rain falls for 135 days and collects up to 17.76" (451mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Hockessin, in December, snow falls for 2.4 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, in Hockessin, there are 16.6 snowfall days, and 5.47" (139mm) of snow is accumulated.Daylight
The month with the shortest days in Hockessin is December, with an average of 9h and 24min of daylight.On the first day of December in Hockessin, Delaware, sunrise is at 7:05 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:48 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index in Hockessin are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hockessin, DE
- Average high temperature in December: 43°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 (36.9°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 (24.8°F).
Average pressure in December
Hockessin, 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
Hockessin, DE
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Hockessin, DE
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Hockessin, DE
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in December
Hockessin, DE
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Hockessin, DE
- Average snowfall in December: 0.79"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Hockessin, DE
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hockessin, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Hockessin, DE
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Hockessin, 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
Hockessin, DE
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Hockessin, DE
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





