Grafton Weather in December

December in Grafton brings very low temperatures, with highs of 1°C (34°F) and nights dropping to -7°C (19°F). Rainfall is on the higher side this month, averaging around 84 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Grafton in December

Expect around 13 days of snow/rain based on historical data, with 84 mm (3.3 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Grafton in December

Daytime highs in Grafton in December reach 1°C (34°F), with nights around -7°C (19°F). During December, the winter season is in full swing. Staying warm is the main priority this month, especially during mornings and evenings. With lows of -7°C (19°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.

Sunshine in Grafton in December

The area enjoys a moderate level of sunlight, with around 120 hours. It's a good balance between sunny and cloudy days.

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

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For a detailed overview over the year and the best time to visit the United States of America, check out our Grafton's climate page.

Grafton Temperature in December

Min Temperature -7°C (19°F)  

Max Temperature 1°C (34°F)  

Chance of Rain 43%  

Precipitation 84 mm (3.3 in)  

Rainy days 13 days  

Sunshine 120 hours *  

Percentage Sunshine *  

* Data from: Port Washington, the United States of America (9 KM, 6 Miles).

What to Wear in Grafton in December

We recommend to layer up for chilly conditions in Grafton 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Grafton in December

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

Swimming

5/10

Cycling

2/10

Walking

2/10

Camping

1/10

Outdoor sports

2/10

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 Grafton's climate page.

More climate data for Grafton

Temperature Rainfall Sunshine

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