Allentown Weather in December
During December, Allentown experiences low daytime temperatures of 6°C (43°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 121 mm (4.8 in) is typical.
Rainfall in Allentown in December
Climate statistics over the past 30 years suggest around 12 days of snow/rain, with 121 mm (4.8 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Allentown in December
In December, Allentown sees low temperatures, with highs of 6°C (43°F). Nights drop to around -2°C (28°F). December is a notable month of the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.December in Allentown 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Allentown's climate page.
Allentown Temperature in December
Min Temperature
-2°C (28°F)
Max Temperature
6°C (43°F)
Chance of Rain
40%
Precipitation
121 mm (4.8 in)
Rainy days
12 days
Humidity
71%
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Allentown in December
We recommend to layer up for chilly conditions in Allentown 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.What To Do in Allentown in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Allentown's climate page.
See the full Allentown climate overview or explore weather in the United States of America.
