October 18 is generally a great time to visit Reykjavik. While there is a slight chance of rain (38%), showers are usually brief. Expect comfortable 7°C weather. It's a lively time to explore Reykjavik, with most attractions operating at full capacity.
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Essential Travel Info for Reykjavik
Currency
ISK
kr Icelandic króna
Language
Icelandic
Driving
Right side
Safety
Very High Safety
GPI: 1.107
Reykjavik Weather Forecast for October 18
"Mild & Comfortable. Expect average highs of 6.9°C. 38% chance of snow."
What to Wear in Reykjavik in October
Based on historical data for October 18, Reykjavik typically experiences temperatures between 2.6°C and 6.9°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 38% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Reykjavik
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
6.9°C
Daytime Peak
Average Low
2.6°C
Nighttime Low
Feels Like
3.3°C
❄️ Slightly colder
Snow Chance
38%
Avg 2.4mm if it snows
Snowfall
0.1 cm
~38% chance
Pressure
1007.8 hPa
High volatility
Reykjavik Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 94% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 133 min to burn
Type III-IV
🟡 200 min to burn
Type V-VI
🟢 333 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
4.7°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
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 Iceland
Flight Traffic
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~69
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Reykjavik
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:27
☀️ Noon
13:14
🌇 Sunset
18:00
⏱️ Daylight
9h 33m
Wind Speed
21.7 km/h
Moderate wind
Sunshine
3.8 hrs
Direct Sun (Cloud-free)
Humidity
86%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Reykjavik
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Reykjavik
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Low pressure & humidity may aggravate joints.
Fish are active due to pressure changes.
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, Reykjavik on October 18 averages 6.9°C with a 38% precipitation probability. Wedding/Outdoor Event Score: 44/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Reykjavik Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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📍 Is Reykjavik Worth Visiting on October 18?
Planning a trip to Reykjavik on October 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 6.9°C with a 38% historical precipitation risk.
✈️ Travel Logistics: Approximately 69 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Iceland, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 8.1°C (polar plunge). Wave conditions are generally fun waves with heights around 1.12m.
📊 Historical Extremes: The hottest October 18 recorded in the last 30 years saw temperatures hit 10.2°C in 2023, while the coldest dropped to 0.3°C in 2022.