Ithaca Weather in December

During December, Ithaca experiences low daytime temperatures of 4°C (39°F) and cooler nights around -4°C (25°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 71 mm (2.8 in) is typical.

Rainfall in Ithaca in December

You can typically expect 17 days of snow/rain this month, averaging around 71 mm (2.8 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Ithaca in December

December in Ithaca brings typical temperatures with highs around 4°C (39°F) and lows of -4°C (25°F). During December, you'll experience the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. At -4°C (25°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Ithaca in December

The month is characterized by fewer sunny days, with roughly 68 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Ithaca. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Ithaca's climate page.

Ithaca Temperature in December

Min Temperature -4°C (25°F)  

Max Temperature 4°C (39°F)  

Chance of Rain 56%  

Precipitation 71 mm (2.8 in)  

Rainy days 17 days  

Humidity 75% *  

Sunshine 68 hours *  

Percentage Sunshine 25% *  

* Data from: Syracuse, the United States of America (73 KM, 45 Miles).

What to Wear in Ithaca in December

Dress warmly and in layers for your trip to Ithaca 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Ithaca in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Ithaca's climate page.

More climate data for Ithaca

Temperature Rainfall Sunshine Humidity

See the full Ithaca climate overview or explore weather in the United States of America.