Niš weather in December
December in Niš: cold, a little rain, with clean air — a fair time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Niš · #1039 of 1413 destinations to visit in December · comfort 57/100 (tier D)
- Days
- 8°C
- Nights
- 0°C
- Wet days
- 11
- Sun
- 4.9 h
- Humidity
- 83%
- Daylight
- 9 h
Traveller notes on Niš in December
Other months in Niš
Forum posters describe an early-spring Niš visit as genuinely unpredictable, with one trip report describing a sunny first day followed immediately by snow on the second. Posters discussing the wider Serbian March pattern cite Belgrade daily highs around 10C, moderately windy, with rain on roughly a quarter to a third of days in a typical month - not especially wet by regional standards, but changeable enough that a visit can span both mild and snowy days. Posters note Niš itself has more of a reputation as a lively summer destination, with its main pedestrian street and outdoor bars really coming alive once the weather warms. Posters generally rate March as a genuinely mixed, still-wintry-at-times month for Niš, with real day-to-day swings worth planning flexibly around.
Forum posters describe September Serbia weather as usually very pleasant with relatively few rainy days, though still worth checking a short-range forecast since conditions can shift. Temperatures hover around the low-to-mid 20sC with warm sun through the day, but posters note evenings turn noticeably chillier as daylight hours shrink through the month. For Nis specifically, visitors describe it as an easy, walkable city with most sights concentrated in a compact historic core, and the river promenade and parks are called out as especially atmospheric to walk in the crisp early-autumn air.
Add your own note from Niš's card on the map.
Niš climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Niš in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 7 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Niš's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherNiš's best weather comes in April, May and September — separate windows, not one continuous season.
December coincides with Winter heating smog.
Best weatherFair weatherToughest weather
What's on in Niš in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Winter heating smog
1 Dec – 28 Feb · usuallyWinter smogThe same basin that traps the summer heat traps coal smoke from December to February, and the readings go from ordinary to genuinely unhealthy. Worth knowing if anyone in the party has a chest. Source ↗
Nearby, and something's on
Within 300 km of Niš — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Niš?
Niš in December — FAQ
- Is December a good time to visit Niš?
- December in Niš: cold, a little rain, with clean air — a fair time to visit. It ranks #11 of 12 months for Niš on SeasonMap's comfort score (57/100).
- What is the weather like in Niš in December?
- In December, Niš averages a daily high of 8°C and a low of 0.2°C, with about 59.6 mm of rain over roughly 10.5 rainy days.
- What is the air quality in Niš in December?
- Niš has a mean US Air Quality Index of about 45 in December.
- Does it snow in Niš in December?
- Niš sees roughly 13.7 cm of snowfall in December.
Within 300 km: Borovets' Between the seasons around 1 Oct – 14 Dec, and Budva's Out of season around 1 Nov – 15 Apr.