Dennis Weather in January

January in Dennis averages 4°C (39°F) during the day and -4°C (25°F) at night. Quite a bit of snow/rainfall is typical this month, with around 108 mm (4.3 in) on average. An umbrella is a good idea.

Rainfall in Dennis in January

Looking at the last 30 years, the data shows about 14 days with snow/rain, averaging 108 mm (4.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Dennis in January

In January, expect low temperatures in Dennis, with highs of 4°C (39°F) and lows of -4°C (25°F) at night. The winter season takes place during January. Staying warm is the main priority this month, especially during mornings and evenings. With lows of -4°C (25°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.

Sunshine in Dennis in January

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

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit 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 Dennis's climate page.

Dennis Temperature in January

Min Temperature -4°C (25°F)  

Max Temperature 4°C (39°F)  

Chance of Rain 47%  

Precipitation 108 mm (4.3 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 January

Cold weather calls for smart layering in January. 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Dennis in January

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

Swimming

5/10

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 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.