New Castle Weather in December
December in New Castle brings low temperatures around 9°C (48°F) during the day, dropping to 0°C (32°F) at night, with quite a bit of rainfall expected, averaging around 120 mm (4.7 in) for the month.
Rainfall in New Castle in December
Typically, you can expect about 11 days of rain this month, with 120 mm (4.7 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in New Castle in December
Daytime highs in New Castle in December reach 9°C (48°F), with nights around 0°C (32°F). This month falls in the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 0°C (32°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in New Castle in December
The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This means a decent mix of sun and overcast.December in New Castle has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, 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 New Castle's climate page.
New Castle Temperature in December
Min Temperature
0°C (32°F)
Max Temperature
9°C (48°F)
Chance of Rain
37%
Precipitation
120 mm (4.7 in)
Rainy days
11 days
Humidity
67% *
Sunshine
140 hours *
Percentage Sunshine
48% *
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 →
perfect weather
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unpleasant
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What to Wear in New Castle in December
Dress warmly and in layers for your trip to New Castle 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in New Castle 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 New Castle's climate page.
Temperature Rainfall Sunshine Humidity
See the full New Castle climate overview or explore weather in the United States of America.
