May 18 is statistically one of the best days of the year in Positano. With minimal rain risk (14%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Positano right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Positano
Currency
EUR
€ Euro
Language
Italian
+1 more
Driving
Right side
Safety
High Safety
GPI: 1.643
Positano Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 21°C. 14% chance of rain."
What to Wear in Positano in May
Based on historical data for May 18, Positano typically experiences temperatures between 14.9°C and 21°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Positano
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21°C
Daytime Peak
Average Low
14.9°C
Nighttime Low
Feels Like
21.2°C
☀️ Feels accurate
Rain Chance
14%
Avg 0.7mm if it rains
Cloud Cover
49%
Overcast
Pressure
1014.5 hPa
Medium volatility
Positano Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% 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
16.4°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
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
~138
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Positano
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:44
☀️ Noon
11:59
🌇 Sunset
19:15
⏱️ Daylight
14h 31m
Wind Speed
13.7 km/h
Gentle breeze
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Positano
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Positano
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.
Volcanic Activity
Nearest: Mount Vesuvius
22.1km away
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Positano on May 18 averages 21°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Positano Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Positano Worth Visiting on May 18?
Planning a trip to Positano 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 21°C with a 14% historical precipitation risk.
✈️ Travel Logistics: Approximately 138 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 19.5°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.57m.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 30.1°C in 2020, while the coldest dropped to 12.4°C in 2016.