Chatham Weather in December

December in Chatham brings low temperatures, with daytime highs of 7°C (45°F) and nights around 1°C (34°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Chatham in December

Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Past climate data indicates that roughly 14 days will see rain, totalling around 128 mm (5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Chatham in December

December in Chatham brings typical temperatures with highs around 7°C (45°F) and lows of 1°C (34°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Chatham in December

The month experiences a moderate amount of sunlight, with 147 hours of sunshine. This provides a nice balance between sunshine and clouds.

December in Chatham can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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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 Chatham's climate page.

Chatham Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 47%  

Precipitation 128 mm (5 in)  

Rainy days 14 days  

Sunshine 147 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (45 KM, 28 Miles).

What to Wear in Chatham in December

We recommend to layer up for chilly conditions in Chatham in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Chatham in December

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

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

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 Chatham's climate page.

More climate data for Chatham

Temperature Rainfall Sunshine

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