Chatham weather in December (Massachusetts, United States of America)

What kind of temperatures can you expect in Chatham during December? See what weather conditions to anticipate this month with our guide.

Temperatures

The month of December in Chatham typically brings low temperatures and high rainfall. Throughout the daytime, temperatures often hover around 7°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 1°C.

Precipitation

Chatham in December usually receives high rainfall, averaging around 128 mm for the month. With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. This month experiences about 14 days of rain according to historical data.

Average sunshine

The area enjoys a balanced 147 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Chatham. June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Chatham climate page with graphs.

 

Chatham, monthly averages in December

Min Temperature 1°C  

Max Temperature 7°C  

Chance of Rain 47%  

Precipitation 128 mm  

Rainy days 14 days  

Sunshine 147 hours *  

Percentage Sunshine *  

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

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Chatham.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.