Philadelphia weather in December (Pennsylvania, United States of America)
Thinking of visiting Philadelphia in December? Check the weather first! Here's what you need to know about the weather for the month.
Temperatures
The month of December in Philadelphia typically brings low temperatures and high rainfall. The winter season takes place during December. Expect temperatures to climb to 9°C during the day, with nighttime readings dropping to 1°C.
Precipitation
Philadelphia in December usually receives high rainfall, averaging around 123 mm for the month. According to historical climate patterns, there are usually around 12 days days of rain.Average sunshine
The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This makes it neither too gloomy nor overly bright.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Philadelphia. May typically offers the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Philadelphia climate page with graphs.
Philadelphia, monthly averages in December
Min Temperature
1°C
Max Temperature
9°C
Water Temperature
9°C
Chance of Rain
38%
Precipitation
123 mm
Rainy days
12 days
Humidity
67%
Sunshine
140 hours
Percentage Sunshine
48%
Where to go 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.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature. With a water temperature of around 9°C there is no need to bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Philadelphia.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
