Dennis Weather in December

Dennis in December averages 8°C (46°F) during the day and 0°C (32°F) at night. This is the wettest month of the year.

Rainfall in Dennis in December

Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Typically around 14 days of snow/rainfall are expected, averaging 138 mm (5.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Dennis in December

If you're visiting Dennis in December, expect highs of 8°C (46°F) and overnight lows around 0°C (32°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop below freezing to 0°C (32°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.

Sunshine in Dennis 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 Dennis has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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 Dennis's climate page.

Dennis Temperature in December

Min Temperature 0°C (32°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 47%  

Precipitation 138 mm (5.4 in)  

Rainy days 14 days  

Sunshine 147 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (50 KM, 31 Miles).

What to Wear in 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 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 Dennis's climate page.

More climate data for Dennis

Temperature Rainfall Sunshine

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