Williamsville Weather in December

Williamsville in December sees low daytime temperatures of 4°C (39°F) and nighttime lows of -3°C (27°F). Rainfall is fairly high this month at around 102 mm (4 in), so pack a rain jacket to stay dry.

Rainfall in Williamsville in December

Historically, the month has about 17 days of snow/rain, averaging 102 mm (4 in) in total. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Williamsville in December

Temperatures in Williamsville in December top out at 4°C (39°F) and drop to -3°C (27°F) overnight. During December, the winter season is in full swing. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. Expect very cold weather this month, so bundle up in warm clothing. It's essential to be ready for the chill.

Sunshine in Williamsville in December

With limited sunshine this month, there are about 68 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Williamsville. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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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 Williamsville's climate page.

Williamsville Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 4°C (39°F)  

Chance of Rain 57%  

Precipitation 102 mm (4 in)  

Rainy days 17 days  

Humidity 77% *  

Sunshine 68 hours *  

Percentage Sunshine 25% *  

* Data from: Buffalo, the United States of America (14 KM, 8 Miles).

What to Wear in Williamsville in December

Dress warmly and in layers for your trip to Williamsville 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Williamsville 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 Williamsville's climate page.

More climate data for Williamsville

Temperature Rainfall Sunshine Humidity

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