The weather in New Haven in December is very cold with temperatures between 0°C and 5°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in New Haven. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in New Haven during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore New Haven.
Our weather forecast can give you a great sense of what weather to expect in New Haven in December 2024.
If you’re planning to visit New Haven in the near future, we highly recommend that you review the 14 day weather forecast for New Haven before you arrive.
