Delaware Weather in December
December in Delaware averages 5°C (41°F) during the day and -3°C (27°F) at night. Quite a bit of snow/rainfall is typical this month, with around 98 mm (3.9 in) on average. An umbrella is a good idea.
Rainfall in Delaware in December
Expect around 14 days of snow/rain based on historical data, with 98 mm (3.9 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Delaware in December
In December, Delaware gets low temperatures, with highs of 5°C (41°F). Nights cool to around -3°C (27°F). December is typically considered a winter month. Expect a distinctly cold feel throughout the day, not just overnight. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's a notably cold month; make sure to wear layers to stay warm. It's wiser to gear up in advance than to be caught off-guard, trembling in the cold.
Sunshine in Delaware in December
The month is characterized by fewer sunny days, with roughly 84 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.December in Delaware can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Delaware's climate page.
Delaware Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
5°C (41°F)
Chance of Rain
47%
Precipitation
98 mm (3.9 in)
Rainy days
14 days
Humidity
74% *
Sunshine
84 hours *
Percentage Sunshine
29% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Delaware in December
Dress warmly and in layers for your trip to Delaware in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Delaware in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Delaware's climate page.
Temperature Rainfall Sunshine Humidity
See the full Delaware climate overview or explore weather in the United States of America.
