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Mercer weather in December (Pennsylvania, United States of America)

What kind of weather does December bring to Mercer? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

The month of December in Mercer typically brings low temperatures and high snow/rainfall. December is a notable month of the winter season. During the daylight hours, temperatures often reach 5°C. After dark they usually decrease to around -4°C. This month is characterized by its cold weather, so make sure to wear sufficient layers to stay warm.

Precipitation

Mercer in December usually receives high snow/rainfall, averaging around 104 mm for the month. Climate statistics over the past 30 years suggest around 17 days of snow/rain.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Mercer. September typically offers the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

Mercer, monthly averages in December

Min TemperatureMin Temperature -4°C  
Max TemperatureMax Temperature 5°C  
Chance of RainChance of Rain 57%  
PrecipitationPrecipitation 104 mm  
Rainy daysRainy days 17 days  

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.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

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.

What To Do

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

Cycling
3/10
Walking
3/10
Barbeque
1/10
Camping
1/10
Outdoor sports
3/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mercer.

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.