January in Berlin is very cold, mostly cloudy, and damp.
Temperatures
January in Berlin tends to be very cold with daytime high temperatures averaging around 2-3 C (36-38 F) but with a few of the warmer days reaching up near 9 C (48 F).
The record high temperature in Berlin during January is 15 C (59 F).

Late night and early morning lows will mostly be around -2 to -3 C (27-29 F) with a few of the colder mornings dipping down to near -10 C (14 F).
The record low temperature in Berlin during January is -23 C (-10 F).
Sky, Rain and Snow
January in Berlin tends to see about 21-22 days mostly overcast, 3-5 days partly sunny, and 5-6 days mostly sunny.
Overall, about 17-20 days record some form of precipitation, however, only about 7-8 days record at least 1 mm (0.04 inches).

Snow falls on about 10-13 days, however, most accumulations are light.
Total snowfall this month averages 2.5 to 5 cm (1-2 inches) but occasionally can total up to 9 cm (about 3.5 inches).
Daylight
The number of daylight hours increases this month from about 7.8 hours on the 1st to about 9 hours by the 31st.
Windspeed
The wind this month tends to be gentle to moderate at 12-28 kph (8-18 mph) but occasionally can be fresh at 29-38 kph (19-24 mph).
What to Wear in Berlin in January?
Winter in Berlin is cold and damp and will require dressing in layers, including an option for thermal underwear.
A heavy water-resistant coat will be needed, along with some long wool scarves and gloves.
Also, you should bring a few sweaters and warm socks along with water-proof boots.
Things to Do in Berlin in January
This is one of the coldest months to visit the city, and there will typically also be a lot of rain to contend with.
Even so, if you're willing to brave the weather, consider taking a pay-what-you-wish walking tour in Berlin.
January 2023 will mark the 24th Edition of the CTM Festival for Music and Art, and there will no doubt be several events to attend.
Football fans will be happy to hear that FC Union Berlin will be facing off against Hertha BSC this January!
Alternatively, you may also want to consider going to a variety show like Arise. What better way to get out of the cold than by visiting the theater?
For even more ideas, make sure to read our full post covering things to do in Berlin in January.
Fred Pickhardt