August 18 is statistically one of the best days of the year in Rome. With minimal rain risk (11%) and pleasant highs of 32°C, it's ideal for outdoor adventures. 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 August 18
"Warm & Sunny. Expect average highs of 31.7°C. 11% chance of rain."
What to Wear in Rome in August
Based on historical data for August 18, Rome typically experiences temperatures between 20.2°C and 31.7°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (11% 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
31.7°C
Daytime Peak
Average Low
20.2°C
Nighttime Low
Feels Like
37.6°C
🔥 Heat index effect
Rain Chance
11%
Avg 0.3mm if it rains
Cloud Cover
24%
Light drizzle
Pressure
1013.6 hPa
Low volatility
Rome Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 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
24°C
Humid/Sticky
Heat Index
37.6°C
Feels hotter
😐 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Italy
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~544
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rome
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:22
☀️ Noon
12:15
🌇 Sunset
19:08
⏱️ Daylight
13h 46m
Wind Speed
14.6 km/h
Gentle breeze
Sunshine
12.2 hrs
Direct Sun (Cloud-free)
Humidity
64%
Slightly humid
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
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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 August 18 averages 31.7°C with a 11% 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
August 11
32.4°C • 8% rain
Score
100
August 12
32.1°C • 9% rain
Score
100
August 13
32°C • 8% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 18) in other destinations
Barcelona
Spain
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 August 18?
Planning a trip to Rome on August 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31.7°C with a 11% historical precipitation risk.
✈️ Travel Logistics: Approximately 544 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 August 18 recorded in the last 30 years saw temperatures hit 35.9°C in 2023, while the coldest dropped to 18.1°C in 2025.