Glastonbury Weather in December

During December, Glastonbury experiences low daytime temperatures of 6°C (43°F) and cooler nights around -3°C (27°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 118 mm (4.6 in) is typical.

Rainfall in Glastonbury in December

Looking at the last 30 years, the data shows about 12 days with snow/rain, averaging 118 mm (4.6 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Glastonbury in December

Daytime highs in Glastonbury in December reach 6°C (43°F), with nights around -3°C (27°F). Winter occurs in December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Glastonbury in December

The area experiences a moderate amount of sunshine, with approximately 139 hours of sunlight expected. This means a decent mix of sun and overcast.

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

Glastonbury Temperature in December

Min Temperature -3°C (27°F)  

Max Temperature 6°C (43°F)  

Chance of Rain 40%  

Precipitation 118 mm (4.6 in)  

Rainy days 12 days  

Humidity 68% *  

Sunshine 139 hours *  

Percentage Sunshine 49% *  

* Data from: Hartford, the United States of America (8 KM, 5 Miles).

What to Wear in Glastonbury in December

We recommend to layer up for chilly conditions in Glastonbury 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 Glastonbury 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 Glastonbury's climate page.

More climate data for Glastonbury

Temperature Rainfall Sunshine Humidity

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