Triadelphia Weather in December

December in Triadelphia typically sees daytime highs of 6°C (43°F) and nighttime lows of -2°C (28°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Triadelphia in December

The climate data from previous years indicates about 16 days of snow/rain, averaging 103 mm (4.1 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Triadelphia in December

Temperatures in Triadelphia in December top out at 6°C (43°F) and drop to -2°C (28°F) overnight. The winter season takes place during December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Triadelphia in December

This month is characterized by fewer sunny days, with about 73 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Triadelphia. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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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 Triadelphia's climate page.

Triadelphia Temperature in December

Min Temperature -2°C (28°F)  

Max Temperature 6°C (43°F)  

Chance of Rain 53%  

Precipitation 103 mm (4.1 in)  

Rainy days 16 days  

Humidity 72% *  

Sunshine 73 hours *  

Percentage Sunshine 26% *  

* Data from: Pittsburgh, the United States of America (60 KM, 37 Miles).

What to Wear in Triadelphia in December

We recommend to layer up for chilly conditions in Triadelphia 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. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Triadelphia in December

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

Swimming

4/10

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 Triadelphia's climate page.

More climate data for Triadelphia

Temperature Rainfall Sunshine Humidity

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