South Dennis Weather in December

South Dennis in December sees low daytime temperatures of 8°C (46°F) and nighttime lows of 0°C (32°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in South Dennis in December

With frequent rain showers this month, having an umbrella on hand will keep you dry. Typically around 14 days of snow/rainfall are expected, averaging 139 mm (5.5 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in South Dennis in December

Daytime highs in South Dennis in December reach 8°C (46°F), with nights around 0°C (32°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 0°C (32°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in South Dennis in December

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

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

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 South Dennis's climate page.

South Dennis Temperature in December

Min Temperature 0°C (32°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 47%  

Precipitation 139 mm (5.5 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 South Dennis in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in South Dennis 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

1/10

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 South Dennis's climate page.

More climate data for South Dennis

Temperature Rainfall Sunshine

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