May 18 is statistically one of the best days of the year in Nafplio. With minimal rain risk (8%) and pleasant highs of 26°C, it's ideal for outdoor adventures. You'll enjoy Nafplio with reasonable crowd levels and competitive accommodation options.
View the full calendar
Essential Travel Info for Nafplio
Currency
EUR
€ Euro
Language
Greek
Driving
Right side
Connect
Nafplio Bus Station27520 27323...
Safety
High Safety
GPI: 1.838
Nafplio Weather Forecast for May 18
"Warm & Sunny. Expect average highs of 26.1°C. 8% chance of rain."
What to Wear in Nafplio in May
Based on historical data for May 18, Nafplio typically experiences temperatures between 15.4°C and 26.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (8% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Nafplio
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
26.1°C
Daytime Peak
Average Low
15.4°C
Nighttime Low
Feels Like
26.6°C
☀️ Feels accurate
Rain Chance
8%
Avg 0.2mm if it rains
Cloud Cover
39%
Overcast
Pressure
1013.9 hPa
Low volatility
Nafplio Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.2°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 Greece
Flight Traffic
Moderate
51/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~28
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nafplio
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:18
☀️ Noon
12:26
🌇 Sunset
19:34
⏱️ Daylight
14h 15m
Wind Speed
11.9 km/h
Light breeze
Sunshine
11.8 hrs
Direct Sun (Cloud-free)
Humidity
58%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Nafplio
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 Nafplio
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 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 excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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, Nafplio on May 18 averages 26.1°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nafplio 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 Nafplio Worth Visiting on May 18?
Planning a trip to Nafplio on May 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 26.1°C with a 8% historical precipitation risk.
✈️ Travel Logistics: Approximately 28 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 19.4°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.18m.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 32.5°C in 2021, while the coldest dropped to 13.3°C in 2019.