Merrimack weather in December (New Hampshire, United States of America)
How does the weather in Merrimack usually fare in December? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.
Temperatures
December in Merrimack generally includes low temperatures and high snow/rainfall. December is known for being in the winter season. Daytime temperatures hover around 4°C, while nights can cool down to about -5°C. Expect very cold weather this month, so bundle up in warm clothing. It's essential to be ready for the chill.
Precipitation
Merrimack in December usually receives high snow/rainfall, averaging around 120 mm for the month. Looking at the last 30 years, the data shows about 13 days with snow/rain.Average sunshine
The month experiences a moderate amount of sunlight, with 134 hours hours. A nice balance between sunshine and clouds.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Merrimack. May, July and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Merrimack climate page with graphs.
Merrimack, monthly averages in December
Min Temperature
-5°C
Max Temperature
4°C
Chance of Rain
42%
Precipitation
120 mm
Rainy days
13 days
Humidity
72% *
Sunshine
134 hours *
Percentage Sunshine
*
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.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 Merrimack.
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.
