Petržalka weather in January

In January, Petržalka sees average daytime highs of 3°C and overnight lows near -2°C, with 36 mm of precipitation across 7.8 wet days and about 8.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 3°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 12 min at the start of January to 9 h 06 min by month's end. Set against the rest of the year, January is Petržalka's 10th-clearest and 7th-windiest month. For the whole year in context, see Petržalka's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
1st coldest
Precipitation
36 mm
7.8 wet days
Daylight
8 h 36 min
7:44 AM – 4:18 PM
Cloud cover
71%
10th clearest
Wind
12 km/h
7th windiest
Solar energy
1.16 kWh/m²
Travel score
0.0
out of 10

Petržalka is borough of Bratislava (Slovakia).

Density
3,918/km²
people per km²
Founded
1225

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 3°C through the month.

A typical January day in Petržalka reaches about 3°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 9°C. Set against its neighbours, January runs on par with December and about 3°C cooler than February.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-2
23-2
33-2
43-2
53-2
63-2
73-2
83-2
93-2
103-2
113-2
123-2
133-2
143-2
153-2
163-2
173-2
183-2
193-2
203-2
213-2
223-2
233-3
243-3
253-3
263-3
273-3
283-3
293-3
303-3
313-3

How January really feels in Petržalka

Once humidity and wind are folded in, January 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 January is cold — wind chill drags the overnight "feels like" below the raw low.

Petržalka weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°367.83.58.60.0
Feb / -1°337.83.39.90.3
Mar11° / 418.51.511.62.6
Apr16° / 448.30.313.45.3
May21° / 11°7010.5014.96.4
Jun25° / 15°7411.1015.86.7
Jul27° / 16°7611.3015.46.4
Aug27° / 16°689.7014.16.8
Sep21° / 12°689012.46.7
Oct15° / 488.80.110.64.7
Nov / 488.51.791.7
Dec / -1°408.32.68.20.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23268
33268
43268
53268
63268
73169
83169
93268
103268
113268
123268
133169
143070
153070
163070
173070
183070
193070
203070
213070
223070
233070
243070
253169
263169
273268
283367
293466
303466
313466

Chance of precipitation in January

Any precipitationSnow

Petržalka gets around 36 mm of rain and snow over 7.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 25% and peaks near 27% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12710
22710
32710
4269
5269
6269
7259
8248
9248
10248
11238
12238
13238
14239
15239
16239
172310
182311
192411
202412
212512
222513
232613
242613
252713
262713
272713
282713
292613
302612
312612

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 12 min at the start of January to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 7:48 AM to 7:30 AM, and sunset from 4:01 PM to 4:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.27:484:01
28.27:484:02
38.27:484:03
48.37:484:04
58.37:484:05
68.37:484:06
78.37:484:07
88.37:474:08
98.47:474:09
108.47:474:10
118.47:464:11
128.47:464:13
138.57:464:14
148.57:454:15
158.57:444:16
168.67:444:18
178.67:434:19
188.67:434:20
198.77:424:22
208.77:414:23
218.77:404:24
228.87:404:26
238.87:394:27
248.97:384:29
258.97:374:30
268.97:364:32
279.07:354:33
289.07:344:35
299.17:334:36
309.17:324:38
319.17:304:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.16 kWh/m².

For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 5.87 kWh/m² in June across the year — January's 1.16 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.0Dim
21.0Dim
31.0Dim
41.0Dim
51.0Dim
61.0Dim
71.0Dim
81.0Dim
91.1Dim
101.1Dim
111.1Dim
121.1Dim
131.1Dim
141.1Dim
151.1Dim
161.1Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.3Dim
221.3Dim
231.3Dim
241.3Dim
251.4Dim
261.4Dim
271.4Dim
281.4Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in January

Is January a good time to visit Petržalka?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Petržalka.

What to pack for Petržalka in January

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

In January, Petržalka sees daytime highs around 3°C and nights near -2°C. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Petržalka in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Petržalka peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 11UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Petržalka in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Petržalka is worst in June — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1516 µg/m³Dec 1411 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr16Moderate
May16Moderate
Jun17Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Petržalka?

Petržalka sits at 48.1°N, 17.1°E, 141 m above sea level, in Slovakia. The nearest listed city is Bratislava, 3.0 km away.

Topography around Petržalka

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

Within 3 km, the terrain around Petržalka has only modest variations in elevation — a maximum elevation change of 77 m around an average of 139 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, large variations in elevation — a maximum elevation change of 734 m.

The land around Petržalka is covered by artificial surfaces (39%) and trees (38%) within 3 km, cropland (42%) and trees (31%) within 16 km, and cropland (55%) and trees (27%) within 80 km.

3 km
77 m
16 km
480 m
80 km
734 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Bratislava 3.0 km · Staré Mesto 4.0 km · Podunajské Biskupice 6.0 km · Vrakuňa 6.0 km · Karlova Ves 6.0 km · Dlhé diely 7.0 km · Dúbravka 10 km · Devínska Nová Ves 15 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 Petržalka (48.1233°, 17.1287°, elevation 141 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).