Banská Bystrica weather in December

In December, Banská Bystrica sees average daytime highs of 0°C and overnight lows near -5°C, with 55 mm of precipitation across 10.5 wet days and about 8.1 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 2°C in the first days to -1°C by the end. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of December to 8 h 06 min by month's end. Set against the rest of the year, December is Banská Bystrica's 11th-clearest and 11th-windiest month. For the whole year in context, see Banská Bystrica's year-round climate.

Daytime high
11th warmest
Overnight low
-5°
3rd coldest
Precipitation
55 mm
10.5 wet days
Daylight
8 h 06 min
7:37 AM – 3:42 PM
Cloud cover
75%
11th clearest
Wind
7 km/h
11th windiest
Solar energy
0.85 kWh/m²
Travel score
0.0
out of 10

Banská Bystrica is city in central Slovakia.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019
Density
722/km²
people per km²
Founded
1255

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 2°C in the first days to -1°C by the end.

A typical December day in Banská Bystrica reaches about 0°C in the afternoon and slips back to -5°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 4°C. Set against its neighbours, December runs about 5°C cooler than November and on par with January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
12-3
22-3
32-3
42-3
51-3
61-3
71-4
81-4
91-4
101-4
111-4
120-4
130-4
140-5
150-5
160-5
170-5
180-5
190-5
200-5
210-5
220-6
230-6
240-6
25-1-6
26-1-6
27-1-6
28-1-6
29-1-6
30-1-6
31-1-6

How December really feels in Banská Bystrica

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Banská Bystrica weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°4910.18.98.50.0
Feb / -6°5110.18.69.80.0
Mar / -2°5811.25.611.60.6
Apr12° / 6911.81.713.43.2
May17° / 10615.40154.8
Jun20° / 10°11814.8015.95.6
Jul22° / 11°11614.7015.56.0
Aug22° / 11°9812.2014.26.4
Sep17° / 7811012.45.2
Oct11° / 6710.30.810.52.8
Nov / -0°6010.84.290.4
Dec / -5°5510.58.48.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32476
42476
52476
62575
72575
82476
92476
102476
112476
122575
132476
142476
152476
162377
172476
182476
192476
202674
212674
222674
232773
242773
252773
262773
272773
282674
292674
302674
312674

Chance of precipitation in December

Any precipitationSnow

Banská Bystrica gets around 55 mm of rain and snow over 10.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 35% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13220
23221
33221
43222
53223
63323
73324
83325
93325
103326
113326
123327
133327
143328
153428
163429
173429
183429
193429
203429
213529
223529
233529
243530
253530
263530
273530
283530
293531
303531
313531

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 24 min at the start of December to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 7:22 AM to 7:43 AM, and sunset from 3:44 PM to 3:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.47:223:44
28.37:243:43
38.37:253:43
48.37:263:43
58.37:273:42
68.27:283:42
78.27:293:42
88.27:303:42
98.27:313:42
108.27:323:41
118.17:333:41
128.17:343:41
138.17:353:41
148.17:363:42
158.17:373:42
168.17:373:42
178.17:383:42
188.17:393:42
198.17:393:43
208.17:403:43
218.17:403:43
228.17:413:44
238.17:413:44
248.17:423:45
258.17:423:46
268.17:423:46
278.17:433:47
288.17:433:47
298.17:433:48
308.17:433:49
318.17:433:50

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 5.57 kWh/m² in June across the year — December's 0.85 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.9Dim
280.9Dim
290.9Dim
300.9Dim
310.9Dim
Planning a trip in December

Is December a good time to visit Banská Bystrica?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Banská Bystrica.

What to pack for Banská Bystrica in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Banská Bystrica sees daytime highs around 0°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Banská Bystrica in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banská Bystrica peaks around July 12 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 12UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Banská Bystrica in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Banská Bystrica is worst in June — around 18 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Banská Bystrica's WHO annual average of 13.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1918 µg/m³Dec 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May16Moderate
Jun18Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Banská Bystrica?

Banská Bystrica sits at 48.7°N, 19.1°E, 329 m above sea level, in Slovakia. The nearest listed city is Zvolen, 18 km away.

Žiar nad HronomHandlováBreznoPrievidzaRužomberokMartinBojnice

Topography around Banská Bystrica

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Banská Bystrica.

Within 3 km, the terrain around Banská Bystrica has significant variations in elevation — a maximum elevation change of 339 m around an average of 422 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,278 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,267 m.

The land around Banská Bystrica is covered by trees (50%) and artificial surfaces (27%) within 3 km, trees (76%) within 16 km, and trees (65%) within 80 km.

3 km
339 m
16 km
1,278 m
80 km
2,267 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Zvolen 18 km · Žiar nad Hronom 27 km · Handlová 29 km · Brezno 36 km · Prievidza 38 km · Ružomberok 39 km · Martin 40 km · Bojnice 42 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Banská Bystrica (48.7395°, 19.1493°, elevation 329 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).