May 18 is generally a great time to visit Bratislava. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 20°C weather. Bratislava is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Bratislava
Currency
EUR
€ Euro
Language
Slovak
Driving
Right side
Connect
As of Sept 2021, Bratislava has 4G from ...
Safety
Very High Safety
GPI: 1.499
Bratislava Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 20.4°C. 29% chance of rain."
What to Wear in Bratislava in May
Based on historical data for May 18, Bratislava typically experiences temperatures between 10.8°C and 20.4°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Bratislava
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.4°C
Daytime Peak
Average Low
10.8°C
Nighttime Low
Feels Like
20.5°C
☀️ Feels accurate
Rain Chance
29%
Avg 1.7mm if it rains
Cloud Cover
59%
Overcast
Pressure
1015.1 hPa
Medium volatility
Bratislava Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.5°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Slovakia
Flight Traffic
High
95/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~38
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Bratislava
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:10
☀️ Noon
11:49
🌇 Sunset
19:28
⏱️ Daylight
15h 17m
Wind Speed
19.8 km/h
Gentle breeze
Sunshine
10.3 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Bratislava
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Bratislava
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Bratislava on May 18 averages 20.4°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Bratislava Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 11
20.4°C • 23% rain
Score
96
May 25
21.5°C • 24% rain
Score
96
May 12
19.9°C • 26% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 18) in other destinations
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📍 Is Bratislava Worth Visiting on May 18?
Planning a trip to Bratislava on May 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.4°C with a 29% historical precipitation risk.
✈️ Travel Logistics: Approximately 38 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Slovakia, including COVID-19.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 26.3°C in 2017, while the coldest dropped to 7.1°C in 2016.