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- Warmest month
- July, high 28.0 C
- Coldest month
- January, low -2.8 C
- Wettest month
- July, 61.8 mm
- Yearly rain
- 574.3 mm
Bratislava has hot, fairly dry summers and cold winters, with an average July high of 28.0 °C and an average January low of −2.8 °C. For a rainy or cold day, a Klook tour or museum ticket gives you a dry plan B.
The table uses published long-term averages for the Bratislava airport station, so it shows the pattern and not a forecast. Rain is spread through the year with a modest peak from May to September. For the whole country, see Slovakia weather by month.
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Top picks at a glance
Key takeaways
- Summer highs reach 28.0 C in July, so plan walking in the morning or evening.
- Winter highs stay near 3 to 6 C from December to February, with lows below freezing.
- Rain is lowest from January to April and highest from May to September.
- September is a mild month, with a 21.9 C average high.
Best weather-proof ways to see Bratislava, ranked
-
Our top pick1
Guided tours with Klook
Best overallBest for: Changeable weather
Klook lists tours and activities in Bratislava. Pick a product with flexible cancellation so you can move it if rain is forecast, and confirm the policy on the listing.
See tours on Klook- Easy to rebook
- Guide sets the route
- Fixed times
-
2
Museum and castle tickets on Tiqets
Best for rainy daysBest for: Wet days
Tiqets sells tickets for attractions. The museum rooms at the castle and other sights give you indoor time, but check each attraction for current opening hours.
See tickets on Tiqets- Mobile tickets
- Indoor options
- Hours vary by season
-
3
Audio walk with WeGoTrip
Best self-guidedBest for: Independent travellers
Download the audio tour before you leave the hotel and pause in a cafe whenever a shower starts.
See audio tours on WeGoTrip- Own pace
- Easy to pause
- Phone battery in cold
-
4
Luggage storage with Radical Storage
Best for hot or cold daysBest for: Checkout gaps
Drop your bags before a late train so you are not carrying a coat in July or a suitcase in the rain.
Find storage on Radical Storage- Hands free
- Check drop-off hours
-
5
Official forecasts from SHMU
Best free forecastBest for: Final check
The national institute publishes forecasts and warnings.
Official website- Official
- Mainly Slovak
Bratislava climate table
| Month | Bratislava high / low (°C) | Bratislava rain (mm) |
|---|---|---|
| Jan | 3.1 / −2.8 | 37.4 |
| Feb | 5.8 / −1.7 | 32.9 |
| Mar | 11.1 / 1.7 | 36.8 |
| Apr | 17.5 / 5.7 | 35.9 |
| May | 21.7 / 10.6 | 58.6 |
| Jun | 25.6 / 14.2 | 59.2 |
| Jul | 28.0 / 16.2 | 61.8 |
| Aug | 27.9 / 15.9 | 60.5 |
| Sep | 21.9 / 11.2 | 58.6 |
| Oct | 15.6 / 6.3 | 43.6 |
| Nov | 9.3 / 2.6 | 46.2 |
| Dec | 3.7 / −1.5 | 42.7 |
Long-term averages (Wikipedia climate tables, 1991 to 2020 normals). Bratislava (airport station) and Košice list WMO and SHMÚ as source; Poprad, Štrbské Pleso and Lomnický štít list NOAA. Averages are not a forecast: any single day can be far from them.
Yearly average high and low: 15.9 and 6.5 °C, and 574.3 mm of precipitation.
Month by month notes
- January: Average high 3.1, low −2.8, 37.4 mm. Cold, short days. A coat and hat are needed.
- February: High 5.8, low −1.7, the driest month at 32.9 mm. Good for museums and cafes.
- March: High 11.1, low 1.7. Spring starts but evenings stay cold.
- April: High 17.5, low 5.7. Terraces begin to open as it warms, though showers are possible.
- May: High 21.7, low 10.6, and rain rises to 58.6 mm. A good month for walking the Old Town and Danube bank.
- June: High 25.6, low 14.2, 59.2 mm. Warm and suited to river trips, see Danube boat trip.
- July: Warmest month: high 28.0, low 16.2, and the highest rain of the year at 61.8 mm, often in short storms.
- August: High 27.9, low 15.9, 60.5 mm. Similar to July; do castle and hill walks in the morning.
- September: High 21.9, low 11.2. Warm days and cooler evenings, a comfortable month for sightseeing.
- October: High 15.6, low 6.3, 43.6 mm. Cooler, bring a jacket and umbrella.
- November: High 9.3, low 2.6, 46.2 mm. Grey and damp. Indoor stops matter more.
- December: High 3.7, low −1.5, 42.7 mm. Cold, and the Christmas markets are the draw, see Bratislava in December.
What to wear
From December to February wear a warm coat, hat and waterproof shoes. March and April call for layers and an umbrella. In June to August wear light clothes, sun protection and comfortable shoes for the cobbles. September and October need a light jacket. The castle hill and the Danube embankment are windy, so a layer helps even on mild days.
Plan by weather
On cold days choose cafes, wine bars and museums, see Bratislava in winter and food and drink. On hot days start early with Bratislava Castle and finish by the river. Mild months suit a day outside the city, see day trips from Bratislava. A longer plan is in Bratislava in two days.
Gaps and caveats
The figures come from a single airport station and the city centre can feel warmer in summer. Sunshine, humidity and wind are not in the table. Use it to choose a month and check a forecast closer to your date.
Seasonal summary
Winter (December to February): average highs of 3.7, 3.1 and 5.8 °C and lows below freezing. Spring (March to May): highs climb from 11.1 to 21.7 °C, and rain rises to 58.6 mm in May. Summer (June to August): highs of 25.6 to 28.0 °C and about 60 mm of rain a month. Autumn (September to November): highs fall from 21.9 to 9.3 °C.
The gap between the warmest and coldest month is about 25 degrees on average, which is why a packing list for January looks nothing like one for July. If you visit twice a year, bring different luggage.
Weather and opening hours
Attractions in the city often adjust hours by season, and boat services on the Danube depend on conditions. Weather also affects views: the UFO tower and the castle terrace are best on clear days, so keep one flexible morning in your plan. See best viewpoints in Bratislava and the UFO tower.
If you are coming from Vienna for the day, the weather is similar in both cities, so a forecast for either is a fair guide. See the day trip from Vienna.
Frequently asked questions
What is the hottest month in Bratislava?
July, with an average high of 28.0 C and an average low of 16.2 C.
What is the coldest month in Bratislava?
January, with an average high of 3.1 C and an average low of -2.8 C.
When does it rain most?
Average rainfall peaks in July at 61.8 mm, and the months from May to September are all around 58 to 62 mm.
What is the best month to visit Bratislava for weather?
May, June and September offer warm days without the peak heat of July. Choose by what you want to do.
Does Bratislava get snow?
It can, but it is not reliable. January and December average lows are below freezing, so snow is possible.
Photo: Bratislava · Arne Müseler · CC BY-SA 4.0
