May 18 is generally a great time to visit Rome. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 23°C weather. Rome is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Rome
Currency
EUR
€ Euro
Language
Italian
+1 more
Driving
Right side
Connect
As of Sept 2021, Rome has 5G from all It...
Safety
High Safety
GPI: 1.643
Rome Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 23.4°C. 20% chance of rain."
What to Wear in Rome in May
Based on historical data for May 18, Rome typically experiences temperatures between 12.9°C and 23.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Rome
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.4°C
Daytime Peak
Average Low
12.9°C
Nighttime Low
Feels Like
23.9°C
☀️ Feels accurate
Rain Chance
20%
Avg 1.1mm if it rains
Cloud Cover
44%
Overcast
Pressure
1014.4 hPa
Medium volatility
Rome Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 83% 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
🔴 14 min to burn
Type III-IV
🟡 21 min to burn
Type V-VI
🟢 35 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.6°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Italy
Flight Traffic
High
93/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~505
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rome
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:48
☀️ Noon
12:07
🌇 Sunset
19:27
⏱️ Daylight
14h 38m
Wind Speed
14.5 km/h
Gentle breeze
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
70%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Rome
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Rome
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Rome on May 18 averages 23.4°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Rome 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
22.7°C • 16% rain
Score
100
May 23
24.5°C • 15% rain
Score
100
May 24
24.8°C • 14% rain
Score
100
💡 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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Lisbon
Portugal
Prague
Czech Republic
Paris
France
London
United Kingdom
🌍 Explore the same date in different destinations around the world
📍 Is Rome Worth Visiting on May 18?
Planning a trip to Rome 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 23.4°C with a 20% historical precipitation risk.
✈️ Travel Logistics: Approximately 505 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 30.7°C in 2022, while the coldest dropped to 8.6°C in 2016.