Weather Comparison
Side-by-side weather comparison for December
| Metric | New York | Washington DC | Better |
|---|---|---|---|
| Average HighHigher is warmer | 6°C (43°F) | 8°C (46°F)▲ | Washington DC |
| Average LowHigher is milder | -1°C (30°F) | 0°C (32°F)▲ | Washington DC |
| Rain DaysFewer is drier | 10 days | 9 days▲ | Washington DC |
| PrecipitationLess is drier | 101 mm | 91 mm▲ | Washington DC |
| Sunshine HoursMore is sunnier | 6h/day | 6h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 19 km/h | 17 km/h▲ | Washington DC |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Washington DC edges ahead as the better destination in December. Washington DC offers 6 hours of daily sunshine with only 9 rain days, while New York sees 6 sunshine hours and 10 rain days.
New York is on the cooler side at 6°C, requiring warmer clothing. Washington DC is cooler at 8°C.
For travelers who prioritize dry weather, Washington DC is the stronger choice in December.
New York reaches an average high of 6°C (43°F) and drops to -1°C (30°F) at night during December. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Washington DC averages 8°C (46°F) for the high and 0°C (32°F) for the low, with a daily range of 8°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.
New York receives approximately 101 mm of rainfall across 10 rain days during December. You can expect rain roughly every other day.
Washington DC sees 91 mm over 9 rain days. That makes Washington DC the drier option by 1 rain day and 10 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 6°C, lows of -1°C, 10 rain days
Highs of 8°C, lows of 0°C, 9 rain days
Pack for both: heavy winter coat, thermal base layers, warm gloves and hat, insulated boots, a warm scarf. These items are useful in either destination during December.
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | New York | Washington DC | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 4°C | 9d | 6°C | 9d |
| Feb | 5°C | 9d | 8°C | 9d |
| Mar | 9°C | 10d | 13°C | 10d |
| Apr | 15°C | 11d | 19°C | 10d |
| May | 21°C | 11d | 24°C | 12d |
| Jun | 26°C | 11d | 29°C | 12d |
| Jul | 29°C | 12d | 31°C | 13d |
| Aug | 28°C | 11d | 30°C | 11d |
| Sep | 24°C | 9d | 26°C | 10d |
| Oct | 18°C | 9d | 20°C | 8d |
| Nov | 12°C | 8d | 13°C | 8d |
| Dec | 6°C | 10d | 8°C | 9d |
New York Weather in December
Full forecast, packing tips, and activities
Washington DC Weather in December
Full forecast, packing tips, and activities