May 18 is generally a great time to visit Edinburgh. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 14°C weather. As it's peak season for Edinburgh, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Edinburgh
Currency
GBP
£ British pound
Language
English
Driving
Left side
Connect
As of Nov 2023, the entire city and its ...
Safety
High Safety
GPI: 1.667
Edinburgh Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 14.2°C. 23% chance of rain."
What to Wear in Edinburgh in May
Based on historical data for May 18, Edinburgh typically experiences temperatures between 7.9°C and 14.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Edinburgh
Smart Suitcase
- Light Jacket
- Long Pants
Average High
14.2°C
Daytime Peak
Average Low
7.9°C
Nighttime Low
Feels Like
13.9°C
🌤️ Feels accurate
Rain Chance
23%
Avg 1.7mm if it rains
Cloud Cover
75%
Light drizzle
Pressure
1014.5 hPa
High volatility
Edinburgh Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
03:00 - 10:00
16:00 - 20:00
Type I-II
🔴 27 min to burn
Type III-IV
🟡 41 min to burn
Type V-VI
🟢 68 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.4°C
Pleasant
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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United Kingdom
Flight Traffic
High
96/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~203
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Edinburgh
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
03:56
☀️ Noon
12:10
🌇 Sunset
20:24
⏱️ Daylight
16h 28m
Wind Speed
20 km/h
Moderate wind
Sunshine
9.8 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Edinburgh
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 Edinburgh
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Edinburgh on May 18 averages 14.2°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 86/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Edinburgh Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 19
14.2°C • 27% rain
Score
88
May 20
14.2°C • 27% rain
Score
88
May 15
13.8°C • 16% rain
Score
87
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Edinburgh Worth Visiting on May 18?
Planning a trip to Edinburgh on May 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.2°C with a 23% historical precipitation risk.
✈️ Travel Logistics: Approximately 203 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for United Kingdom, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 13.9°C (polar plunge). Wave conditions are generally lake-like with heights around 0.3m.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 17.7°C in 2022, while the coldest dropped to 5.5°C in 2018.