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

Niš🇷🇸 Serbia · Balkans · City57
  1. 52Jan
  2. 67Feb
  3. 73Mar
  4. 87Apr
  5. 93May
  6. 85Jun
  7. 80Jul
  8. 83Aug
  9. 92Sep
  10. 81Oct
  11. 65Nov
  12. 57Dec

#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
Niš, Serbia
Photo: Manojlovic80 · CC BY-SA 3.0

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.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Niš's card on the map.

Niš climate normals — December

Daytime high8°C / 46°F🧥 cold
Nighttime low0°C / 32°F
Feels like (high)6°C / 43°F
Rainfall60 mm / 2.3 in🌦 some rain
Rainy days11 days
Humidity83%💦 very humid
Dew point1°C / 33°F
Sunshine4.9 h/day
Daylight9 h
Wind10 km/h / 6 mph
Snowfall13.7 cm / 5.4 in
Air quality (US AQI)45🍃 good

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)

JFMAMJJASOND

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.

JFMAMJJASOND

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 smog

    The 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 ↗

What's on around the world in December →

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?

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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.